./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- 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-2329fc7 [2022-12-14 14:25:04,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:25:04,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:25:04,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:25:04,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:25:04,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:25:04,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:25:04,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:25:04,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:25:04,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:25:04,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:25:04,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:25:04,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:25:04,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:25:04,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:25:04,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:25:04,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:25:04,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:25:04,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:25:04,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:25:04,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:25:04,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:25:04,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:25:04,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:25:04,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:25:04,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:25:04,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:25:04,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:25:04,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:25:04,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:25:04,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:25:04,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:25:04,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:25:04,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:25:04,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:25:04,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:25:04,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:25:04,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:25:04,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:25:04,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:25:04,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:25:04,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:25:04,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:25:04,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:25:04,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:25:04,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:25:04,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:25:04,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:25:04,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:25:04,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:25:04,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:25:04,907 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:25:04,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:25:04,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:25:04,907 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:25:04,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:25:04,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:25:04,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:25:04,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:25:04,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:25:04,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:25:04,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:25:04,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:25:04,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:25:04,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:25:04,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:25:04,911 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_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2022-12-14 14:25:05,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:25:05,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:25:05,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:25:05,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:25:05,117 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:25:05,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2022-12-14 14:25:07,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:25:07,741 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:25:07,741 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2022-12-14 14:25:07,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/data/ecdc547f1/42bd67e802a94a908e3c14465eb7a82f/FLAGe9576498e [2022-12-14 14:25:07,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/data/ecdc547f1/42bd67e802a94a908e3c14465eb7a82f [2022-12-14 14:25:07,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:25:07,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:25:07,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:07,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:25:07,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:25:07,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3bcbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07, skipping insertion in model container [2022-12-14 14:25:07,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:25:07,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:25:07,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c[538,551] [2022-12-14 14:25:07,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:25:07,914 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:25:07,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c[538,551] [2022-12-14 14:25:07,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:25:07,941 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:25:07,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07 WrapperNode [2022-12-14 14:25:07,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:07,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:25:07,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:25:07,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:25:07,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,974 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2022-12-14 14:25:07,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:25:07,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:25:07,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:25:07,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:25:07,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:07,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:25:07,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:25:07,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:25:07,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:25:07,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (1/1) ... [2022-12-14 14:25:08,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:25:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:08,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:25:08,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:25:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:25:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:25:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:25:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:25:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:25:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:25:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:25:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:25:08,123 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:25:08,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:25:08,243 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:25:08,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:25:08,274 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 14:25:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:08 BoogieIcfgContainer [2022-12-14 14:25:08,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:25:08,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:25:08,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:25:08,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:25:08,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:25:07" (1/3) ... [2022-12-14 14:25:08,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8a8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:08, skipping insertion in model container [2022-12-14 14:25:08,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:07" (2/3) ... [2022-12-14 14:25:08,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8a8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:08, skipping insertion in model container [2022-12-14 14:25:08,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:08" (3/3) ... [2022-12-14 14:25:08,286 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound2.c [2022-12-14 14:25:08,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:25:08,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:25:08,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:25:08,360 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;@5a52b61e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:25:08,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:25:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 14:25:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:25:08,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:08,373 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:08,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 763440750, now seen corresponding path program 1 times [2022-12-14 14:25:08,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:08,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885518042] [2022-12-14 14:25:08,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:08,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:25:08,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:08,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885518042] [2022-12-14 14:25:08,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885518042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:08,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:08,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:25:08,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001665024] [2022-12-14 14:25:08,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:08,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:25:08,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:08,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:25:08,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:25:08,683 INFO L87 Difference]: Start difference. First operand has 27 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:25:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:08,765 INFO L93 Difference]: Finished difference Result 58 states and 96 transitions. [2022-12-14 14:25:08,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:25:08,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-12-14 14:25:08,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:08,773 INFO L225 Difference]: With dead ends: 58 [2022-12-14 14:25:08,773 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 14:25:08,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:25:08,778 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:08,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 108 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:25:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 14:25:08,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2022-12-14 14:25:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 14:25:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2022-12-14 14:25:08,809 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 17 [2022-12-14 14:25:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:08,810 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-12-14 14:25:08,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:25:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-12-14 14:25:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 14:25:08,811 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:08,811 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:08,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:25:08,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1804559349, now seen corresponding path program 1 times [2022-12-14 14:25:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308552294] [2022-12-14 14:25:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:25:08,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:08,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308552294] [2022-12-14 14:25:08,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308552294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:08,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:08,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:25:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936807315] [2022-12-14 14:25:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:08,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:25:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:08,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:25:08,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:25:08,927 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:25:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:08,990 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2022-12-14 14:25:08,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:25:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2022-12-14 14:25:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:08,992 INFO L225 Difference]: With dead ends: 41 [2022-12-14 14:25:08,992 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 14:25:08,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:25:08,994 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:08,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 100 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:25:08,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 14:25:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2022-12-14 14:25:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 14:25:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-12-14 14:25:09,002 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 22 [2022-12-14 14:25:09,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:09,002 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-12-14 14:25:09,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:25:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-14 14:25:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 14:25:09,003 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:09,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:09,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:25:09,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:09,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash 496345742, now seen corresponding path program 1 times [2022-12-14 14:25:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:09,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193712541] [2022-12-14 14:25:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:09,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:09,015 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:25:09,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641640269] [2022-12-14 14:25:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:09,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:09,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:25:09,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:25:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:09,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 14:25:09,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:25:09,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:25:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 14:25:09,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:09,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193712541] [2022-12-14 14:25:09,472 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:25:09,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641640269] [2022-12-14 14:25:09,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641640269] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:25:09,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525595713] [2022-12-14 14:25:09,487 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-12-14 14:25:09,488 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:25:09,490 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:25:09,494 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:25:09,494 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:25:09,785 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 38 for LOIs [2022-12-14 14:25:09,794 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:25:09,795 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:25:10,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1525595713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:10,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:25:10,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11, 7] total 24 [2022-12-14 14:25:10,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725845146] [2022-12-14 14:25:10,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:10,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 14:25:10,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:10,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 14:25:10,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:25:10,317 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 11 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 14:25:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:10,586 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2022-12-14 14:25:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 14:25:10,587 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 27 [2022-12-14 14:25:10,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:10,587 INFO L225 Difference]: With dead ends: 68 [2022-12-14 14:25:10,587 INFO L226 Difference]: Without dead ends: 50 [2022-12-14 14:25:10,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:25:10,589 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 36 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:10,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 37 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:10,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-14 14:25:10,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-14 14:25:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 14:25:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2022-12-14 14:25:10,602 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 27 [2022-12-14 14:25:10,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:10,602 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-12-14 14:25:10,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 14:25:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-12-14 14:25:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 14:25:10,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:10,603 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:10,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:25:10,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:10,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash -202147981, now seen corresponding path program 1 times [2022-12-14 14:25:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:10,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312489573] [2022-12-14 14:25:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:10,813 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:25:10,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166241577] [2022-12-14 14:25:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:10,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:10,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:25:10,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:25:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:10,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 14:25:10,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 14:25:11,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:25:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 14:25:11,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312489573] [2022-12-14 14:25:11,217 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:25:11,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166241577] [2022-12-14 14:25:11,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166241577] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:25:11,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [469190269] [2022-12-14 14:25:11,220 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 14:25:11,220 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:25:11,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:25:11,220 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:25:11,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:25:12,644 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-12-14 14:25:12,647 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:25:12,648 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:25:13,053 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '921#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:25:13,053 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:25:13,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:25:13,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16 [2022-12-14 14:25:13,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325714798] [2022-12-14 14:25:13,053 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:25:13,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 14:25:13,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:13,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 14:25:13,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:25:13,055 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2022-12-14 14:25:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:13,313 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2022-12-14 14:25:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:25:13,314 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) Word has length 44 [2022-12-14 14:25:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:13,317 INFO L225 Difference]: With dead ends: 82 [2022-12-14 14:25:13,317 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 14:25:13,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2022-12-14 14:25:13,318 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 41 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:13,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 101 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 14:25:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-14 14:25:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 41 states have internal predecessors, (43), 21 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 14:25:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 84 transitions. [2022-12-14 14:25:13,333 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 84 transitions. Word has length 44 [2022-12-14 14:25:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:13,334 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 84 transitions. [2022-12-14 14:25:13,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2022-12-14 14:25:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-12-14 14:25:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 14:25:13,335 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:13,335 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:13,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:25:13,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:13,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:13,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash -567180131, now seen corresponding path program 1 times [2022-12-14 14:25:13,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:13,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468522593] [2022-12-14 14:25:13,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:13,553 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:25:13,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344342893] [2022-12-14 14:25:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:13,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:25:13,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:25:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:13,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 14:25:13,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 14:25:14,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:25:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 14:25:14,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:14,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468522593] [2022-12-14 14:25:14,194 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:25:14,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344342893] [2022-12-14 14:25:14,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344342893] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:25:14,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1586409288] [2022-12-14 14:25:14,197 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 14:25:14,197 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:25:14,198 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:25:14,198 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:25:14,198 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:25:15,486 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 18 for LOIs [2022-12-14 14:25:15,494 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:25:15,495 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:25:16,111 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1483#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:25:16,112 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:25:16,112 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:25:16,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2022-12-14 14:25:16,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002509047] [2022-12-14 14:25:16,112 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:25:16,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 14:25:16,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:16,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 14:25:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2022-12-14 14:25:16,113 INFO L87 Difference]: Start difference. First operand 69 states and 84 transitions. Second operand has 15 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-12-14 14:25:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:16,371 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-12-14 14:25:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:25:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 51 [2022-12-14 14:25:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:16,373 INFO L225 Difference]: With dead ends: 85 [2022-12-14 14:25:16,373 INFO L226 Difference]: Without dead ends: 83 [2022-12-14 14:25:16,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 119 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2022-12-14 14:25:16,375 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:16,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 150 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-14 14:25:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2022-12-14 14:25:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 50 states have internal predecessors, (52), 21 states have call successors, (21), 11 states have call predecessors, (21), 11 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 14:25:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2022-12-14 14:25:16,402 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 51 [2022-12-14 14:25:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:16,402 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2022-12-14 14:25:16,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 8 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-12-14 14:25:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2022-12-14 14:25:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 14:25:16,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:16,404 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:16,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:25:16,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:16,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:16,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash 166119996, now seen corresponding path program 1 times [2022-12-14 14:25:16,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:16,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554866442] [2022-12-14 14:25:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:16,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:16,616 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:25:16,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556891086] [2022-12-14 14:25:16,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:16,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:25:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:16,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:25:16,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:25:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:16,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 14:25:16,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-14 14:25:17,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:25:48,206 WARN L233 SmtUtils]: Spent 15.89s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:26:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-14 14:26:24,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:24,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554866442] [2022-12-14 14:26:24,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:26:24,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556891086] [2022-12-14 14:26:24,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556891086] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:26:24,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [517582381] [2022-12-14 14:26:24,837 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 14:26:24,837 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:26:24,837 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:26:24,838 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:26:24,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:26:26,468 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 18 for LOIs [2022-12-14 14:26:26,476 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:26:26,478 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:26:28,639 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2138#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:26:28,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:26:28,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:26:28,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2022-12-14 14:26:28,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080619422] [2022-12-14 14:26:28,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:26:28,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 14:26:28,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:28,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 14:26:28,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=865, Unknown=0, NotChecked=0, Total=992 [2022-12-14 14:26:28,642 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand has 20 states, 19 states have (on average 1.736842105263158) internal successors, (33), 16 states have internal predecessors, (33), 9 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 10 states have call predecessors, (20), 7 states have call successors, (20) [2022-12-14 14:26:31,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:26:32,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:26:35,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:26:37,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:26:43,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:26:59,650 WARN L233 SmtUtils]: Spent 15.75s on a formula simplification. DAG size of input: 65 DAG size of output: 47 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:27:01,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:27:03,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:27:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:27:06,790 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2022-12-14 14:27:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 14:27:06,791 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.736842105263158) internal successors, (33), 16 states have internal predecessors, (33), 9 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 10 states have call predecessors, (20), 7 states have call successors, (20) Word has length 63 [2022-12-14 14:27:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:27:06,792 INFO L225 Difference]: With dead ends: 100 [2022-12-14 14:27:06,792 INFO L226 Difference]: Without dead ends: 98 [2022-12-14 14:27:06,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 147 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 38.0s TimeCoverageRelationStatistics Valid=201, Invalid=1281, Unknown=0, NotChecked=0, Total=1482 [2022-12-14 14:27:06,793 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 66 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:27:06,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 111 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 514 Invalid, 6 Unknown, 0 Unchecked, 19.3s Time] [2022-12-14 14:27:06,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-12-14 14:27:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2022-12-14 14:27:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 58 states have internal predecessors, (61), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-12-14 14:27:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2022-12-14 14:27:06,813 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 63 [2022-12-14 14:27:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:27:06,814 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2022-12-14 14:27:06,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.736842105263158) internal successors, (33), 16 states have internal predecessors, (33), 9 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 10 states have call predecessors, (20), 7 states have call successors, (20) [2022-12-14 14:27:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2022-12-14 14:27:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 14:27:06,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:27:06,815 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:27:06,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:27:07,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:07,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:27:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:27:07,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1987386298, now seen corresponding path program 1 times [2022-12-14 14:27:07,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:27:07,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639008843] [2022-12-14 14:27:07,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:27:07,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:27:07,043 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:27:07,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1505812796] [2022-12-14 14:27:07,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:27:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:27:07,047 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:27:07,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:27:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:27:07,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 14:27:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:27:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 14:27:07,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:27:07,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:27:07,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639008843] [2022-12-14 14:27:07,600 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:27:07,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505812796] [2022-12-14 14:27:07,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505812796] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:27:07,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1272235723] [2022-12-14 14:27:07,602 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 14:27:07,602 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:27:07,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:27:07,603 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:27:07,603 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:27:09,083 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-12-14 14:27:09,086 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:27:09,087 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:27:09,623 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2737#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:27:09,623 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:27:09,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:27:09,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-12-14 14:27:09,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438618508] [2022-12-14 14:27:09,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-14 14:27:09,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 14:27:09,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:27:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 14:27:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-12-14 14:27:09,625 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-12-14 14:27:09,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:27:09,993 INFO L93 Difference]: Finished difference Result 102 states and 115 transitions. [2022-12-14 14:27:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 14:27:09,995 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 74 [2022-12-14 14:27:09,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:27:09,996 INFO L225 Difference]: With dead ends: 102 [2022-12-14 14:27:09,996 INFO L226 Difference]: Without dead ends: 82 [2022-12-14 14:27:09,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=141, Invalid=1049, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 14:27:09,997 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:27:09,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 136 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:27:09,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-14 14:27:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-14 14:27:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.06) internal successors, (53), 51 states have internal predecessors, (53), 19 states have call successors, (19), 12 states have call predecessors, (19), 12 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-14 14:27:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2022-12-14 14:27:10,015 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 74 [2022-12-14 14:27:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:27:10,016 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2022-12-14 14:27:10,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-12-14 14:27:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2022-12-14 14:27:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 14:27:10,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:27:10,017 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:27:10,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:27:10,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:10,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:27:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:27:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash 152662242, now seen corresponding path program 2 times [2022-12-14 14:27:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:27:10,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646849840] [2022-12-14 14:27:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:27:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:27:10,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:27:10,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136435606] [2022-12-14 14:27:10,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:27:10,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:10,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:27:10,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:27:10,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:27:10,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 14:27:10,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:27:10,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 14:27:10,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:27:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-12-14 14:27:10,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:27:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 41 proven. 34 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-12-14 14:27:11,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:27:11,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646849840] [2022-12-14 14:27:11,741 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:27:11,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136435606] [2022-12-14 14:27:11,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136435606] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:27:11,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [41729830] [2022-12-14 14:27:11,742 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 14:27:11,742 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:27:11,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:27:11,743 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:27:11,743 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:27:13,178 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-12-14 14:27:13,180 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:27:13,181 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:27:13,889 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3555#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:27:13,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:27:13,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:27:13,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 21 [2022-12-14 14:27:13,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621834541] [2022-12-14 14:27:13,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:27:13,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 14:27:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:27:13,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 14:27:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 14:27:13,891 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 19 states have internal predecessors, (38), 12 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) [2022-12-14 14:27:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:27:18,659 INFO L93 Difference]: Finished difference Result 113 states and 132 transitions. [2022-12-14 14:27:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 14:27:18,659 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 19 states have internal predecessors, (38), 12 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) Word has length 85 [2022-12-14 14:27:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:27:18,660 INFO L225 Difference]: With dead ends: 113 [2022-12-14 14:27:18,661 INFO L226 Difference]: Without dead ends: 111 [2022-12-14 14:27:18,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=208, Invalid=1432, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 14:27:18,662 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 71 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:27:18,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 126 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 14:27:18,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-14 14:27:18,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2022-12-14 14:27:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 67 states have internal predecessors, (70), 30 states have call successors, (30), 14 states have call predecessors, (30), 14 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2022-12-14 14:27:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2022-12-14 14:27:18,697 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 85 [2022-12-14 14:27:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:27:18,698 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2022-12-14 14:27:18,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 19 states have internal predecessors, (38), 12 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) [2022-12-14 14:27:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2022-12-14 14:27:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 14:27:18,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:27:18,699 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:27:18,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:27:18,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:18,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:27:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:27:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash 339357760, now seen corresponding path program 3 times [2022-12-14 14:27:18,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:27:18,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079237239] [2022-12-14 14:27:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:27:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:27:18,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:27:18,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381453708] [2022-12-14 14:27:18,930 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:27:18,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:18,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:27:18,933 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:27:18,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:27:19,045 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:27:19,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:27:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-14 14:27:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:27:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 72 proven. 45 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-14 14:27:20,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:27:21,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:27:21,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079237239] [2022-12-14 14:27:21,187 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:27:21,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381453708] [2022-12-14 14:27:21,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381453708] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:27:21,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1720431474] [2022-12-14 14:27:21,189 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 14:27:21,190 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:27:21,190 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:27:21,190 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:27:21,190 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:27:22,657 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-12-14 14:27:22,659 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:27:22,660 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:27:23,183 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4230#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:27:23,183 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:27:23,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:27:23,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-12-14 14:27:23,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317001841] [2022-12-14 14:27:23,183 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-14 14:27:23,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 14:27:23,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:27:23,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 14:27:23,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2022-12-14 14:27:23,184 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 13 states have internal predecessors, (25), 10 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 9 states have call successors, (16) [2022-12-14 14:27:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:27:24,371 INFO L93 Difference]: Finished difference Result 146 states and 162 transitions. [2022-12-14 14:27:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 14:27:24,372 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 13 states have internal predecessors, (25), 10 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 9 states have call successors, (16) Word has length 92 [2022-12-14 14:27:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:27:24,373 INFO L225 Difference]: With dead ends: 146 [2022-12-14 14:27:24,373 INFO L226 Difference]: Without dead ends: 98 [2022-12-14 14:27:24,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 159 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 14:27:24,374 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 16 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:27:24,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 14:27:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-12-14 14:27:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2022-12-14 14:27:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 61 states have internal predecessors, (62), 23 states have call successors, (23), 14 states have call predecessors, (23), 14 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 14:27:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2022-12-14 14:27:24,395 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 92 [2022-12-14 14:27:24,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:27:24,396 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2022-12-14 14:27:24,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 13 states have internal predecessors, (25), 10 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 9 states have call successors, (16) [2022-12-14 14:27:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2022-12-14 14:27:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 14:27:24,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:27:24,397 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:27:24,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 14:27:24,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:24,599 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:27:24,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:27:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1326675146, now seen corresponding path program 2 times [2022-12-14 14:27:24,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:27:24,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135310492] [2022-12-14 14:27:24,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:27:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:27:24,623 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:27:24,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111342757] [2022-12-14 14:27:24,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:27:24,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:27:24,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:27:24,627 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:27:24,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 14:27:24,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 14:27:24,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:27:24,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 14:27:24,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:27:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 118 proven. 45 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-12-14 14:27:25,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:27:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-12-14 14:27:26,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:27:26,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135310492] [2022-12-14 14:27:26,155 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:27:26,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111342757] [2022-12-14 14:27:26,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111342757] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:27:26,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [333600514] [2022-12-14 14:27:26,156 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 14:27:26,156 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:27:26,157 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:27:26,157 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:27:26,157 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:27:27,456 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-12-14 14:27:27,459 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-12-14 14:27:27,459 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:27:28,390 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5236#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 14:27:28,390 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:27:28,390 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:27:28,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 21 [2022-12-14 14:27:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356203629] [2022-12-14 14:27:28,391 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:27:28,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 14:27:28,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:27:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 14:27:28,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 14:27:28,392 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 10 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 10 states have call predecessors, (26), 8 states have call successors, (26) [2022-12-14 14:27:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:27:33,761 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2022-12-14 14:27:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 14:27:33,762 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 10 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 10 states have call predecessors, (26), 8 states have call successors, (26) Word has length 103 [2022-12-14 14:27:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:27:33,762 INFO L225 Difference]: With dead ends: 101 [2022-12-14 14:27:33,762 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:27:33,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 266 SyntacticMatches, 9 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 14:27:33,763 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 32 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:27:33,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 87 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 14:27:33,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:27:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:27:33,763 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) [2022-12-14 14:27:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:27:33,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-12-14 14:27:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:27:33,764 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:27:33,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 10 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 10 states have call predecessors, (26), 8 states have call successors, (26) [2022-12-14 14:27:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:27:33,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:27:33,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 14:27:33,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 14:27:33,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 14:27:33,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 14:27:57,355 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse0) (<= 1 .cse0) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (<= .cse0 2) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (= 10 (select |#length| 2)) (= (select .cse1 1) 0) (not (= (ite (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) 1 0) 0)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 14:27:57,355 INFO L899 garLoopResultBuilder]: For program point L48(lines 46 58) no Hoare annotation was computed. [2022-12-14 14:27:57,355 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 44) the Hoare annotation is: (let ((.cse17 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse19 (<= .cse17 2)) (.cse20 (select |#memory_int| 1)) (.cse18 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (* 2 .cse18)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 .cse18)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (= (select |#valid| 1) 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| .cse17)) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse20 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse20 1) 0)) (.cse14 (not (= (ite .cse19 1 0) 0))) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse4 |ULTIMATE.start_main_~d~0#1|) (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse17) (+ (* (div |ULTIMATE.start_main_~p~0#1| 2) .cse18) (* |ULTIMATE.start_main_~q~0#1| .cse18) |ULTIMATE.start_main_~r~0#1|)) (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse18)) .cse1 .cse2 .cse19 .cse3 (= (* |ULTIMATE.start_main_~p~0#1| .cse18) |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 (<= .cse4 .cse17) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16) (and .cse0 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse18) .cse1 .cse2 .cse3 .cse5 .cse6 (<= .cse18 2) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))))) [2022-12-14 14:27:57,356 INFO L902 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: true [2022-12-14 14:27:57,356 INFO L895 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (not (= (ite (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) 1 0) 0)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 14:27:57,356 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (<= (mod |ULTIMATE.start_main_~B~0#1| 4294967296) 2) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (not (= (ite (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) 1 0) 0)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 14:27:57,356 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse17 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse19 (<= .cse17 2)) (.cse20 (select |#memory_int| 1)) (.cse18 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (* 2 .cse18)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 .cse18)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (= (select |#valid| 1) 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| .cse17)) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse20 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse20 1) 0)) (.cse14 (not (= (ite .cse19 1 0) 0))) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse4 |ULTIMATE.start_main_~d~0#1|) (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse17) (+ (* (div |ULTIMATE.start_main_~p~0#1| 2) .cse18) (* |ULTIMATE.start_main_~q~0#1| .cse18) |ULTIMATE.start_main_~r~0#1|)) (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse18)) .cse1 .cse2 .cse19 .cse3 (= (* |ULTIMATE.start_main_~p~0#1| .cse18) |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 (<= .cse4 .cse17) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16) (and .cse0 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse18) .cse1 .cse2 .cse3 .cse5 .cse6 (<= .cse18 2) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))))) [2022-12-14 14:27:57,356 INFO L895 garLoopResultBuilder]: At program point L37-1(line 37) the Hoare annotation is: (let ((.cse17 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse19 (<= .cse17 2)) (.cse20 (select |#memory_int| 1)) (.cse18 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (* 2 .cse18)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 .cse18)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (= (select |#valid| 1) 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| .cse17)) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse20 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse20 1) 0)) (.cse14 (not (= (ite .cse19 1 0) 0))) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse4 |ULTIMATE.start_main_~d~0#1|) (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse17) (+ (* (div |ULTIMATE.start_main_~p~0#1| 2) .cse18) (* |ULTIMATE.start_main_~q~0#1| .cse18) |ULTIMATE.start_main_~r~0#1|)) (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse18)) .cse1 .cse2 .cse19 .cse3 (= (* |ULTIMATE.start_main_~p~0#1| .cse18) |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 (<= .cse4 .cse17) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16) (and .cse0 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse18) .cse1 .cse2 .cse3 .cse5 .cse6 (<= .cse18 2) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))))) [2022-12-14 14:27:57,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:27:57,356 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-12-14 14:27:57,357 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 46 58) the Hoare annotation is: (let ((.cse25 (select |#memory_int| 1)) (.cse20 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse24 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse0 (<= 1 .cse24)) (.cse2 (= |ULTIMATE.start_main_~d~0#1| .cse24)) (.cse23 (<= (* 2 .cse24) .cse20)) (.cse1 (= (select |#length| 3) 12)) (.cse4 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse3 (<= .cse24 2)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| .cse20)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse25 0) 48)) (.cse13 (= 10 (select |#length| 2))) (.cse14 (= (select .cse25 1) 0)) (.cse15 (not (= (ite (<= .cse20 2) 1 0) 0))) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (and (not (= (ite .cse0 1 0) 0)) .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) .cse2 (not (= (ite .cse3 1 0) 0)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse0 (exists ((|aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| Int)) (let ((.cse21 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| 4294967296)) (.cse22 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 4294967296))) (let ((.cse19 (+ .cse22 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) (.cse18 (+ .cse21 .cse22 (* |aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|))) (and (< .cse18 4294967296) (< .cse19 4294967296) (<= 0 .cse19) (< |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 4294967296) (<= 0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|) (= (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~q~0#1| |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) .cse20) (<= 0 (+ .cse21 .cse22 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) (<= (+ (* 2 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|) (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 8589934592) (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| 8589934592)) .cse20) (= (+ (* (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| |ULTIMATE.start_main_~p~0#1|) 4294967296) (* |ULTIMATE.start_main_~p~0#1| |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) |ULTIMATE.start_main_~d~0#1|) (<= 1 .cse18))))) .cse4 .cse5 (or (not (<= |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|)) .cse7 .cse23 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse2 .cse4 .cse5 (= |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~q~0#1| 1) (not .cse23) .cse7 (= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) .cse20) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= .cse24 .cse20) .cse15 .cse16 .cse17) (and .cse1 .cse4 .cse5 (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse6 (< |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~d~0#1|) (= (* |ULTIMATE.start_main_~p~0#1| .cse24) |ULTIMATE.start_main_~d~0#1|) .cse7 .cse3 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2022-12-14 14:27:57,358 INFO L895 garLoopResultBuilder]: At program point L46-1(lines 46 58) the Hoare annotation is: (let ((.cse20 (select |#memory_int| 1)) (.cse8 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse19 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (= |ULTIMATE.start_main_~d~0#1| .cse19)) (.cse0 (<= 1 .cse19)) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= (select |#valid| 1) 1)) (.cse4 (<= .cse19 2)) (.cse18 (= (+ (* |ULTIMATE.start_main_~q~0#1| .cse19) |ULTIMATE.start_main_~r~0#1|) .cse8)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse20 0) 48)) (.cse13 (= 10 (select |#length| 2))) (.cse14 (= (select .cse20 1) 0)) (.cse15 (not (= (ite (<= .cse8 2) 1 0) 0))) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (and (not (= (ite .cse0 1 0) 0)) .cse1 .cse2 .cse3 (not (= (ite .cse4 1 0) 0)) .cse5 .cse6 (= |ULTIMATE.start_main_~q~0#1| 0) .cse7 (= |ULTIMATE.start_main_~r~0#1| .cse8) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse2 .cse3 .cse0 .cse5 .cse6 .cse7 .cse4 .cse18 (<= (* 2 .cse19) .cse8) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse2 .cse3 .cse0 .cse5 .cse6 (<= |ULTIMATE.start_main_~d~0#1| .cse8) .cse7 .cse4 .cse18 (= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) .cse8) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2022-12-14 14:27:57,358 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 14:27:57,358 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse17 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse19 (<= .cse17 2)) (.cse20 (select |#memory_int| 1)) (.cse18 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (* 2 .cse18)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 .cse18)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (= (select |#valid| 1) 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| .cse17)) (.cse8 (= (select |#valid| 0) 0)) (.cse9 (= (select |#valid| 2) 1)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (= (select .cse20 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse20 1) 0)) (.cse14 (not (= (ite .cse19 1 0) 0))) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= .cse4 |ULTIMATE.start_main_~d~0#1|) (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 (= (+ (div |ULTIMATE.start_main_~d~0#1| 2) .cse17) (+ (* (div |ULTIMATE.start_main_~p~0#1| 2) .cse18) (* |ULTIMATE.start_main_~q~0#1| .cse18) |ULTIMATE.start_main_~r~0#1|)) (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse18)) .cse1 .cse2 .cse19 .cse3 (= (* |ULTIMATE.start_main_~p~0#1| .cse18) |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 (<= .cse4 .cse17) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16) (and .cse0 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse18) .cse1 .cse2 .cse3 .cse5 .cse6 (<= .cse18 2) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))))) [2022-12-14 14:27:57,359 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 14:27:57,359 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-12-14 14:27:57,359 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (let ((.cse25 (select |#memory_int| 1)) (.cse20 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse24 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse0 (<= 1 .cse24)) (.cse2 (= |ULTIMATE.start_main_~d~0#1| .cse24)) (.cse23 (<= (* 2 .cse24) .cse20)) (.cse1 (= (select |#length| 3) 12)) (.cse4 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse3 (<= .cse24 2)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| .cse20)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse25 0) 48)) (.cse13 (= 10 (select |#length| 2))) (.cse14 (= (select .cse25 1) 0)) (.cse15 (not (= (ite (<= .cse20 2) 1 0) 0))) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (and (not (= (ite .cse0 1 0) 0)) .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) .cse2 (not (= (ite .cse3 1 0) 0)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse0 (exists ((|aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| Int)) (let ((.cse21 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| 4294967296)) (.cse22 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 4294967296))) (let ((.cse19 (+ .cse22 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) (.cse18 (+ .cse21 .cse22 (* |aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56| 4294967296) |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|))) (and (< .cse18 4294967296) (< .cse19 4294967296) (<= 0 .cse19) (< |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 4294967296) (<= 0 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|) (= (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~q~0#1| |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) .cse20) (<= 0 (+ .cse21 .cse22 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) (<= (+ (* 2 |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|) (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| 8589934592) (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67| 8589934592)) .cse20) (= (+ (* (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78| |ULTIMATE.start_main_~p~0#1|) 4294967296) (* |ULTIMATE.start_main_~p~0#1| |aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78|)) |ULTIMATE.start_main_~d~0#1|) (<= 1 .cse18))))) .cse4 .cse5 (or (not (<= |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|)) .cse7 .cse23 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse2 .cse4 .cse5 (= |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~q~0#1| 1) (not .cse23) .cse7 (= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) .cse20) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= .cse24 .cse20) .cse15 .cse16 .cse17) (and .cse1 .cse4 .cse5 (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse6 (< |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~d~0#1|) (= (* |ULTIMATE.start_main_~p~0#1| .cse24) |ULTIMATE.start_main_~d~0#1|) .cse7 .cse3 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2022-12-14 14:27:57,360 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (let ((.cse22 (select |#memory_int| 1)) (.cse20 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse19 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse0 (<= 1 .cse19)) (.cse2 (= |ULTIMATE.start_main_~d~0#1| .cse19)) (.cse21 (<= (* 2 .cse19) .cse20)) (.cse1 (= (select |#length| 3) 12)) (.cse4 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse18 (= (* |ULTIMATE.start_main_~p~0#1| .cse19) |ULTIMATE.start_main_~d~0#1|)) (.cse7 (= (select |#valid| 1) 1)) (.cse3 (<= .cse19 2)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| .cse20)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse22 0) 48)) (.cse13 (= 10 (select |#length| 2))) (.cse14 (= (select .cse22 1) 0)) (.cse15 (not (= (ite (<= .cse20 2) 1 0) 0))) (.cse16 (< 0 |#StackHeapBarrier|)) (.cse17 (= |#NULL.base| 0))) (or (and (not (= (ite .cse0 1 0) 0)) .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) .cse2 (not (= (ite .cse3 1 0) 0)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse0 .cse4 .cse5 (or (not (<= |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|)) .cse18 .cse7 (= (+ (* |ULTIMATE.start_main_~q~0#1| .cse19) |ULTIMATE.start_main_~r~0#1|) .cse20) .cse21 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse1 .cse2 .cse4 .cse5 (= |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~q~0#1| 1) (not .cse21) .cse7 (= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) .cse20) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= .cse19 .cse20) .cse15 .cse16 .cse17) (and .cse1 .cse4 .cse5 (<= (div (- |ULTIMATE.start_main_~d~0#1|) (- 2)) |ULTIMATE.start_main_~r~0#1|) .cse6 (< |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~d~0#1|) .cse18 .cse7 .cse3 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point L39(lines 36 44) no Hoare annotation was computed. [2022-12-14 14:27:57,360 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed. [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2022-12-14 14:27:57,360 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2022-12-14 14:27:57,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2022-12-14 14:27:57,361 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-12-14 14:27:57,364 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2022-12-14 14:27:57,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:27:57,374 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,374 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,374 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,377 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,378 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,378 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,378 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,388 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,388 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,388 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,389 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,390 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,391 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,392 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,392 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:27:57 BoogieIcfgContainer [2022-12-14 14:27:57,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:27:57,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:27:57,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:27:57,398 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:27:57,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:08" (3/4) ... [2022-12-14 14:27:57,401 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:27:57,406 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 14:27:57,406 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 14:27:57,409 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 14:27:57,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 14:27:57,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 14:27:57,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:27:57,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((!((if 1 <= B % 4294967296 then 1 else 0) == 0) && unknown-#length-unknown[3] == 12) && p == 1) && d == B % 4294967296) && !((if B % 4294967296 <= 2 then 1 else 0) == 0)) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 0) && \valid[1] == 1) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((unknown-#length-unknown[3] == 12 && 1 <= B % 4294967296) && (\exists aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 : int, aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 : int, aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 : int, aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 : int :: ((((((((aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296 && aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296) && 0 <= aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296) && 0 <= aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && r + q * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 == A % 4294967296) && 0 <= aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && 2 * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 8589934592 + aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 8589934592 <= A % 4294967296) && aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * p * 4294967296 + p * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 == d) && 1 <= aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78)) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && (!(d <= r) || 0 <= r)) && \valid[1] == 1) && 2 * (B % 4294967296) <= A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && d == B % 4294967296) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && p == q) && q == 1) && !(2 * (B % 4294967296) <= A % 4294967296)) && \valid[1] == 1) && d + r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && B % 4294967296 <= A % 4294967296) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && -d / -2 <= r) && q == 0) && r < d) && p * (B % 4294967296) == d) && \valid[1] == 1) && B % 4294967296 <= 2) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-12-14 14:27:57,436 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:27:57,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:27:57,437 INFO L158 Benchmark]: Toolchain (without parser) took 169678.65ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 90.9MB in the beginning and 122.2MB in the end (delta: -31.3MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,437 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:27:57,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.65ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 80.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.48ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,438 INFO L158 Benchmark]: Boogie Preprocessor took 21.14ms. Allocated memory is still 121.6MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,438 INFO L158 Benchmark]: RCFGBuilder took 280.28ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 64.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,438 INFO L158 Benchmark]: TraceAbstraction took 169117.71ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 64.2MB in the beginning and 125.3MB in the end (delta: -61.1MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,438 INFO L158 Benchmark]: Witness Printer took 38.95ms. Allocated memory is still 211.8MB. Free memory was 125.3MB in the beginning and 122.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:27:57,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.65ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 80.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.48ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.14ms. Allocated memory is still 121.6MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.28ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 64.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 169117.71ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 64.2MB in the beginning and 125.3MB in the end (delta: -61.1MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * Witness Printer took 38.95ms. Allocated memory is still 211.8MB. Free memory was 125.3MB in the beginning and 122.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 169.0s, OverallIterations: 10, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 50.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 25.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 309 mSDsluCounter, 1121 SdHoareTripleChecker+Invalid, 25.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 849 mSDsCounter, 380 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3199 IncrementalHoareTripleChecker+Invalid, 3585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 380 mSolverCounterUnsat, 272 mSDtfsCounter, 3199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1207 SyntacticMatches, 38 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3297 ImplicationChecksByTransitivity, 51.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=8, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 72 PreInvPairs, 120 NumberOfFragments, 3300 HoareAnnotationTreeSize, 72 FomulaSimplifications, 184 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 15 FomulaSimplificationsInter, 15944 FormulaSimplificationTreeSizeReductionInter, 23.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 75.2s InterpolantComputationTime, 578 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 935 ConstructedInterpolants, 2 QuantifiedInterpolants, 7674 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1179 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 2547/2782 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: OVERALL_TIME: 0.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 20, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME: 0.0s, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME: 0.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 52, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 20, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 201, DAG_COMPRESSION_RETAINED_NODES: 56, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant [2022-12-14 14:27:57,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,454 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,454 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67,QUANTIFIED] [2022-12-14 14:27:57,454 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] [2022-12-14 14:27:57,454 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56,QUANTIFIED] [2022-12-14 14:27:57,454 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((!((if 1 <= B % 4294967296 then 1 else 0) == 0) && unknown-#length-unknown[3] == 12) && p == 1) && d == B % 4294967296) && !((if B % 4294967296 <= 2 then 1 else 0) == 0)) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 0) && \valid[1] == 1) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((unknown-#length-unknown[3] == 12 && 1 <= B % 4294967296) && (\exists aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 : int, aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 : int, aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 : int, aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 : int :: ((((((((aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296 && aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296) && 0 <= aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 < 4294967296) && 0 <= aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && r + q * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 == A % 4294967296) && 0 <= aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78) && 2 * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 8589934592 + aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 8589934592 <= A % 4294967296) && aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * p * 4294967296 + p * aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 == d) && 1 <= aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67 * 4294967296 + aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78 * 4294967296 + aux_div_aux_mod_ULTIMATE.start_main_~B~0#1_45_56 * 4294967296 + aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~B~0#1_45_56_67_78)) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && (!(d <= r) || 0 <= r)) && \valid[1] == 1) && 2 * (B % 4294967296) <= A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && d == B % 4294967296) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && p == q) && q == 1) && !(2 * (B % 4294967296) <= A % 4294967296)) && \valid[1] == 1) && d + r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && B % 4294967296 <= A % 4294967296) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && -d / -2 <= r) && q == 0) && r < d) && p * (B % 4294967296) == d) && \valid[1] == 1) && B % 4294967296 <= 2) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((((((((((((unknown-#length-unknown[3] == 12 && 1 <= B % 4294967296) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == p) && 2 * (B % 4294967296) == d) && -d / -2 <= r) && q == 0) && \valid[1] == 1) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && d / 2 + A % 4294967296 == p / 2 * (B % 4294967296) + q * (B % 4294967296) + r) && d == 4 * (B % 4294967296)) && 1 <= B % 4294967296) && 2 == unknown-#length-unknown[1]) && A % 4294967296 <= 2) && \valid[3] == 1) && p * (B % 4294967296) == d) && \valid[1] == 1) && r == A % 4294967296) && 2 * (B % 4294967296) <= A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((unknown-#length-unknown[3] == 12 && p == 1) && d == B % 4294967296) && 1 <= B % 4294967296) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 0) && \valid[1] == 1) && B % 4294967296 <= 2) && r == A % 4294967296) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && !((if A % 4294967296 <= 2 then 1 else 0) == 0)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 14:27:57,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77129f5-c4d2-4955-af83-fdbf5a3f9d70/bin/utaipan-gh47qXpMRh/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