./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3.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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/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 b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- 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 14:11:04,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:11:04,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:11:04,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:11:04,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:11:04,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:11:04,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:11:04,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:11:04,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:11:04,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:11:04,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:11:04,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:11:04,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:11:04,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:11:04,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:11:04,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:11:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:11:04,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:11:04,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:11:04,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:11:04,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:11:04,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:11:04,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:11:04,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:11:04,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:11:04,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:11:04,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:11:04,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:11:04,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:11:04,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:11:04,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:11:04,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:11:04,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:11:04,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:11:04,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:11:04,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:11:04,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:11:04,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:11:04,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:11:04,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:11:04,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:11:04,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:11:04,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:11:04,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:11:04,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:11:04,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:11:04,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:11:04,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:11:04,953 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:11:04,953 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:11:04,953 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:11:04,953 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:11:04,954 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:11:04,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:11:04,954 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:11:04,954 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:11:04,954 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:11:04,955 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:11:04,955 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:11:04,955 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:11:04,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:11:04,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:11:04,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:11:04,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:11:04,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:11:04,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:11:04,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:11:04,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:11:04,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:11:04,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:11:04,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:11:04,959 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:11:04,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:11:04,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:11:04,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:11:04,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:11:04,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:11:04,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:11:04,960 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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2022-12-14 14:11:05,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:11:05,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:11:05,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:11:05,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:11:05,183 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:11:05,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-fpi/eqn3.c [2022-12-14 14:11:07,832 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:11:07,956 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:11:07,956 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/sv-benchmarks/c/array-fpi/eqn3.c [2022-12-14 14:11:07,961 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/data/5f65e3f75/251b26327a1a463a95b8fab4ba36209f/FLAG2a5f1cd4e [2022-12-14 14:11:07,971 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/data/5f65e3f75/251b26327a1a463a95b8fab4ba36209f [2022-12-14 14:11:07,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:11:07,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:11:07,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:11:07,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:11:07,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:11:07,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:11:07" (1/1) ... [2022-12-14 14:11:07,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edbe8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:07, skipping insertion in model container [2022-12-14 14:11:07,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:11:07" (1/1) ... [2022-12-14 14:11:07,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:11:07,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:11:08,100 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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-12-14 14:11:08,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:11:08,121 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:11:08,130 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_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-12-14 14:11:08,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:11:08,145 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:11:08,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08 WrapperNode [2022-12-14 14:11:08,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:11:08,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:11:08,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:11:08,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:11:08,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,170 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-12-14 14:11:08,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:11:08,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:11:08,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:11:08,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:11:08,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:11:08,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:11:08,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:11:08,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:11:08,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (1/1) ... [2022-12-14 14:11:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:11:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:08,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:11:08,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:11:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:11:08,300 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:11:08,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:11:08,423 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:11:08,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:11:08,453 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 14:11:08,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:11:08 BoogieIcfgContainer [2022-12-14 14:11:08,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:11:08,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:11:08,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:11:08,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:11:08,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:11:07" (1/3) ... [2022-12-14 14:11:08,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498d8a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:11:08, skipping insertion in model container [2022-12-14 14:11:08,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:11:08" (2/3) ... [2022-12-14 14:11:08,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498d8a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:11:08, skipping insertion in model container [2022-12-14 14:11:08,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:11:08" (3/3) ... [2022-12-14 14:11:08,461 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn3.c [2022-12-14 14:11:08,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:11:08,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:11:08,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:11:08,514 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;@41575c6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:11:08,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:11:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:11:08,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:08,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:08,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -735732333, now seen corresponding path program 1 times [2022-12-14 14:11:08,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:08,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850050388] [2022-12-14 14:11:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:08,618 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:08,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113892795] [2022-12-14 14:11:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:08,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:08,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:08,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:08,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:11:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:08,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 14:11:08,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:08,789 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-12-14 14:11:08,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-12-14 14:11:08,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:08,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:08,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 14:11:08,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:11:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:09,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:11:09,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:09,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850050388] [2022-12-14 14:11:09,001 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:09,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113892795] [2022-12-14 14:11:09,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113892795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:11:09,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:11:09,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:11:09,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858854810] [2022-12-14 14:11:09,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:11:09,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:11:09,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:09,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:11:09,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:11:09,045 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:09,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:09,152 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-12-14 14:11:09,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:11:09,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 14:11:09,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:09,163 INFO L225 Difference]: With dead ends: 35 [2022-12-14 14:11:09,163 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 14:11:09,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:11:09,169 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 19 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:09,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:11:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 14:11:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-12-14 14:11:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 14:11:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-12-14 14:11:09,199 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 7 [2022-12-14 14:11:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:09,200 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-14 14:11:09,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-12-14 14:11:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:11:09,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:09,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:09,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:11:09,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 14:11:09,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:09,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:09,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635293, now seen corresponding path program 1 times [2022-12-14 14:11:09,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:09,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951222262] [2022-12-14 14:11:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:09,488 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194411784] [2022-12-14 14:11:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:09,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:09,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:11:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:09,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:11:09,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:09,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:11:09,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:09,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951222262] [2022-12-14 14:11:09,596 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:09,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194411784] [2022-12-14 14:11:09,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194411784] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:11:09,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:11:09,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:11:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905845923] [2022-12-14 14:11:09,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:11:09,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:11:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:09,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:11:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:11:09,598 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:09,642 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-12-14 14:11:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:11:09,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 14:11:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:09,643 INFO L225 Difference]: With dead ends: 25 [2022-12-14 14:11:09,643 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 14:11:09,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:11:09,644 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:09,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:11:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 14:11:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2022-12-14 14:11:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 14:11:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-12-14 14:11:09,648 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2022-12-14 14:11:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:09,648 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-14 14:11:09,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 14:11:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:11:09,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:09,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:09,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:11:09,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:09,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1611921030, now seen corresponding path program 1 times [2022-12-14 14:11:09,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:09,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743982278] [2022-12-14 14:11:09,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:09,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:09,872 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:09,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205425900] [2022-12-14 14:11:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:09,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:09,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:09,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:09,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:11:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:09,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:11:09,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:09,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:09,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743982278] [2022-12-14 14:11:09,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205425900] [2022-12-14 14:11:09,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205425900] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1341794953] [2022-12-14 14:11:09,979 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:11:09,979 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:09,982 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:09,986 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:09,986 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:10,107 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:10,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:10,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:11:10,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:11:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:11:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:10,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,511 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-12-14 14:11:10,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-12-14 14:11:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:10,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:10,644 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:10,884 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '238#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (<= ~N~0 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:10,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:10,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:10,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-12-14 14:11:10,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237389181] [2022-12-14 14:11:10,885 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:10,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:11:10,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:10,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:11:10,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-14 14:11:10,886 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:10,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:10,955 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-12-14 14:11:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 14:11:10,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 14:11:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:10,955 INFO L225 Difference]: With dead ends: 29 [2022-12-14 14:11:10,955 INFO L226 Difference]: Without dead ends: 24 [2022-12-14 14:11:10,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-14 14:11:10,956 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 15 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:10,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:11:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-14 14:11:10,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2022-12-14 14:11:10,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 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 14:11:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-12-14 14:11:10,959 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2022-12-14 14:11:10,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:10,959 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-14 14:11:10,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 14:11:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:11:10,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:10,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:10,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:11:11,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:11,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1565286172, now seen corresponding path program 1 times [2022-12-14 14:11:11,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:11,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204851251] [2022-12-14 14:11:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:11,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:11,234 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:11,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403079739] [2022-12-14 14:11:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:11,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:11,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:11,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:11:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:11,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 14:11:11,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:11,408 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-12-14 14:11:11,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-12-14 14:11:11,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:11,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:11,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:11,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 5 [2022-12-14 14:11:11,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:11:11,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:11:11,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 14:11:11,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:11:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:11,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:11,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:11,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204851251] [2022-12-14 14:11:11,636 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:11,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403079739] [2022-12-14 14:11:11,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403079739] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:11,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1812748984] [2022-12-14 14:11:11,638 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:11:11,638 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:11,638 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:11,638 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:11,638 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:11,736 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-12-14 14:11:11,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-12-14 14:11:11,797 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:11:11,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:11:11,891 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:11,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:11,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:11,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:11,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:11:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:12,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,128 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:11:12,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-12-14 14:11:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:12,274 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:12,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:12,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:12,307 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:12,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:12,319 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:12,608 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '368#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:12,608 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:12,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:12,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2022-12-14 14:11:12,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972017055] [2022-12-14 14:11:12,608 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:12,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 14:11:12,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:12,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 14:11:12,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-12-14 14:11:12,610 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:12,825 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-14 14:11:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:11:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 14:11:12,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:12,827 INFO L225 Difference]: With dead ends: 38 [2022-12-14 14:11:12,827 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 14:11:12,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2022-12-14 14:11:12,827 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 53 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:12,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 18 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:11:12,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 14:11:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 16. [2022-12-14 14:11:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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 14:11:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-12-14 14:11:12,831 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 9 [2022-12-14 14:11:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:12,831 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-12-14 14:11:12,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-12-14 14:11:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:11:12,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:12,832 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:12,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:11:13,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:13,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:13,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:13,035 INFO L85 PathProgramCache]: Analyzing trace with hash -978676906, now seen corresponding path program 1 times [2022-12-14 14:11:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:13,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646551373] [2022-12-14 14:11:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:13,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:13,056 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:13,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844080052] [2022-12-14 14:11:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:13,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:13,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:13,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:11:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:13,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:11:13,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:13,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:11:13,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:13,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646551373] [2022-12-14 14:11:13,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:13,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844080052] [2022-12-14 14:11:13,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844080052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:11:13,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:11:13,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:11:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075196248] [2022-12-14 14:11:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:11:13,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:11:13,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:11:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:11:13,142 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:13,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:13,187 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-12-14 14:11:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:11:13,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 14:11:13,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:13,188 INFO L225 Difference]: With dead ends: 30 [2022-12-14 14:11:13,188 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 14:11:13,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:11:13,189 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:13,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:11:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 14:11:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-12-14 14:11:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 14:11:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-12-14 14:11:13,192 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10 [2022-12-14 14:11:13,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:13,192 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-12-14 14:11:13,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-12-14 14:11:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:11:13,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:13,193 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:13,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 14:11:13,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:13,393 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:13,394 INFO L85 PathProgramCache]: Analyzing trace with hash 848835292, now seen corresponding path program 2 times [2022-12-14 14:11:13,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:13,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532225223] [2022-12-14 14:11:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:13,417 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:13,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515398779] [2022-12-14 14:11:13,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:11:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:13,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:13,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:13,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:11:13,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 14:11:13,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:11:13,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:11:13,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:11:13,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:13,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:11:13,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:13,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532225223] [2022-12-14 14:11:13,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:13,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515398779] [2022-12-14 14:11:13,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515398779] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:13,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1827021509] [2022-12-14 14:11:13,555 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:11:13,555 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:13,555 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:13,555 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:13,555 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:13,646 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:13,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:13,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:11:13,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:11:13,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:11:13,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:13,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,890 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:11:13,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-12-14 14:11:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:13,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:14,025 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:14,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:11:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:14,055 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:14,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:14,092 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:14,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:14,105 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:14,391 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '638#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:14,391 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:14,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:14,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-12-14 14:11:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375241718] [2022-12-14 14:11:14,392 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:14,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 14:11:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 14:11:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:11:14,392 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:14,445 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-12-14 14:11:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:11:14,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 14:11:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:14,446 INFO L225 Difference]: With dead ends: 37 [2022-12-14 14:11:14,447 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 14:11:14,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-12-14 14:11:14,448 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:14,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 21 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:11:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 14:11:14,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2022-12-14 14:11:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 14:11:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-12-14 14:11:14,453 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 11 [2022-12-14 14:11:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:14,453 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-12-14 14:11:14,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-14 14:11:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:11:14,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:14,453 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:14,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:11:14,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:14,655 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash 985561389, now seen corresponding path program 1 times [2022-12-14 14:11:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:14,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011968439] [2022-12-14 14:11:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:14,709 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:14,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789291776] [2022-12-14 14:11:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:14,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:14,713 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:14,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:11:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:14,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 14:11:14,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:14,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:11:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-14 14:11:14,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-12-14 14:11:14,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:14,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,906 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:14,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:11:14,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:14,946 INFO L321 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2022-12-14 14:11:14,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2022-12-14 14:11:15,057 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 14:11:15,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 37 [2022-12-14 14:11:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:15,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:17,375 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse15 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse7 (<= .cse15 2147483647)) (.cse14 (* .cse15 8)) (.cse13 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse9 (<= .cse13 2147483647)) (.cse6 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse0 (not .cse7)) (.cse4 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (* 8 .cse13))) (and (or (let ((.cse1 (+ 6 (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8))))) (and (or .cse0 (forall ((v_ArrVal_214 Int)) (or (not (<= .cse1 v_ArrVal_214)) (= (let ((.cse2 (store .cse3 .cse4 v_ArrVal_214))) (+ (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (or (forall ((v_ArrVal_214 Int)) (or (= 7 (let ((.cse5 (store .cse3 .cse6 v_ArrVal_214))) (+ (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse1 v_ArrVal_214)))) .cse7))) (not .cse9)) (or .cse9 (let ((.cse11 (+ (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse8)) 6))) (and (or (forall ((v_ArrVal_214 Int)) (or (= 7 (let ((.cse10 (store .cse3 .cse6 v_ArrVal_214))) (+ (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse11 v_ArrVal_214)))) .cse7) (or .cse0 (forall ((v_ArrVal_214 Int)) (or (not (<= .cse11 v_ArrVal_214)) (= (let ((.cse12 (store .cse3 .cse4 v_ArrVal_214))) (+ (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7))))))))))) is different from false [2022-12-14 14:11:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-14 14:11:17,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:17,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011968439] [2022-12-14 14:11:17,394 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:17,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789291776] [2022-12-14 14:11:17,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789291776] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:17,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1103477001] [2022-12-14 14:11:17,395 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:11:17,395 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:17,395 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:17,395 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:17,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:17,499 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:17,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:17,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:11:17,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:11:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:11:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,741 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-12-14 14:11:17,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 516 treesize of output 527 [2022-12-14 14:11:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,888 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:17,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,949 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:11:17,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:11:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:17,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:17,981 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:17,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:18,065 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:18,482 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '812#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:18,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:18,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:18,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-12-14 14:11:18,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607169961] [2022-12-14 14:11:18,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:18,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 14:11:18,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:18,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 14:11:18,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=360, Unknown=1, NotChecked=38, Total=462 [2022-12-14 14:11:18,484 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 14:11:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:19,014 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-12-14 14:11:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:11:19,015 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 14:11:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:19,015 INFO L225 Difference]: With dead ends: 33 [2022-12-14 14:11:19,015 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 14:11:19,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=572, Unknown=1, NotChecked=50, Total=756 [2022-12-14 14:11:19,016 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 49 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:19,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 44 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 19 Unchecked, 0.2s Time] [2022-12-14 14:11:19,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 14:11:19,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2022-12-14 14:11:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:19,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-12-14 14:11:19,022 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 12 [2022-12-14 14:11:19,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:19,023 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-12-14 14:11:19,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 14:11:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-14 14:11:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:11:19,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:19,023 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:19,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 14:11:19,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:19,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1679273149, now seen corresponding path program 3 times [2022-12-14 14:11:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:19,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353611318] [2022-12-14 14:11:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:19,265 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:19,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90876020] [2022-12-14 14:11:19,265 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:11:19,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:19,266 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:19,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 14:11:19,318 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:11:19,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:11:19,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 14:11:19,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:19,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:19,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:19,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353611318] [2022-12-14 14:11:19,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:19,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90876020] [2022-12-14 14:11:19,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90876020] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:19,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1943258590] [2022-12-14 14:11:19,383 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:11:19,384 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:19,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:19,384 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:19,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:19,462 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-12-14 14:11:19,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-12-14 14:11:19,516 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:11:19,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:11:19,609 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:19,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:11:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:19,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,803 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-12-14 14:11:19,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-12-14 14:11:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:19,948 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:19,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:19,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:20,002 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:11:20,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:11:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:20,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:20,037 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:20,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:20,048 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:20,253 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '990#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:20,253 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:20,253 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:20,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-12-14 14:11:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017282832] [2022-12-14 14:11:20,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:20,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 14:11:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:20,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 14:11:20,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-12-14 14:11:20,254 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 14:11:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:20,398 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2022-12-14 14:11:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:11:20,399 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 14:11:20,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:20,399 INFO L225 Difference]: With dead ends: 57 [2022-12-14 14:11:20,399 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 14:11:20,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:11:20,400 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 34 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:20,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 28 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:11:20,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 14:11:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 25. [2022-12-14 14:11:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-12-14 14:11:20,405 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 12 [2022-12-14 14:11:20,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:20,405 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-12-14 14:11:20,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 14:11:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-12-14 14:11:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:11:20,406 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:20,406 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:20,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 14:11:20,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:20,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash -76388954, now seen corresponding path program 2 times [2022-12-14 14:11:20,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:20,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041553904] [2022-12-14 14:11:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:20,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:20,656 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:20,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268876215] [2022-12-14 14:11:20,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:11:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:20,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:20,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 14:11:20,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 14:11:20,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:11:20,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:11:20,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:11:20,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:11:20,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041553904] [2022-12-14 14:11:20,764 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268876215] [2022-12-14 14:11:20,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268876215] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:20,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [392654401] [2022-12-14 14:11:20,766 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:11:20,766 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:20,767 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:20,767 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:20,767 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:20,853 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-12-14 14:11:20,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-12-14 14:11:20,931 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:11:20,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:11:21,026 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:21,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:11:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:21,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:21,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,269 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-12-14 14:11:21,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-12-14 14:11:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,425 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:21,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:11:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:21,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:21,519 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-12-14 14:11:21,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-12-14 14:11:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:21,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:21,558 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:21,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:21,648 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:21,909 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1214#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:21,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:21,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:21,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-12-14 14:11:21,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709654888] [2022-12-14 14:11:21,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:21,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:11:21,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:21,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:11:21,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-12-14 14:11:21,910 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:21,991 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2022-12-14 14:11:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 14:11:21,991 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 14:11:21,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:21,991 INFO L225 Difference]: With dead ends: 37 [2022-12-14 14:11:21,991 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 14:11:21,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-12-14 14:11:21,993 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 45 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:21,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 15 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:11:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 14:11:21,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2022-12-14 14:11:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-12-14 14:11:21,997 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2022-12-14 14:11:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:21,998 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-12-14 14:11:21,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 14:11:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:11:21,998 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:21,998 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:22,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 14:11:22,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:22,199 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:22,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1553743804, now seen corresponding path program 4 times [2022-12-14 14:11:22,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:22,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211291953] [2022-12-14 14:11:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:22,218 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:22,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344124526] [2022-12-14 14:11:22,218 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 14:11:22,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:22,219 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:22,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 14:11:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:11:22,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-14 14:11:22,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:22,643 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-12-14 14:11:22,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-12-14 14:11:22,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:22,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:22,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 11 [2022-12-14 14:11:22,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:11:22,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:11:22,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 14:11:22,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 14:11:22,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 14:11:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:11:22,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 14:11:22,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-12-14 14:11:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-12-14 14:11:22,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:22,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:11:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:22,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:11:23,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211291953] [2022-12-14 14:11:23,286 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344124526] [2022-12-14 14:11:23,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344124526] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [253718890] [2022-12-14 14:11:23,287 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:11:23,288 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:23,288 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:23,288 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:23,288 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:23,352 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:11:23,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:11:23,453 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:23,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:23,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:11:23,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:11:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,677 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:11:23,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-12-14 14:11:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,765 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:23,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:23,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,819 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:11:23,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:11:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:23,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:23,855 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:23,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:23,867 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:24,112 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1405#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:24,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:24,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:24,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2022-12-14 14:11:24,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125336388] [2022-12-14 14:11:24,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:24,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 14:11:24,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:24,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 14:11:24,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=411, Unknown=3, NotChecked=0, Total=506 [2022-12-14 14:11:24,114 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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 14:11:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:11:24,964 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2022-12-14 14:11:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 14:11:24,964 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 14:11:24,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:11:24,965 INFO L225 Difference]: With dead ends: 68 [2022-12-14 14:11:24,966 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 14:11:24,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=282, Invalid=1047, Unknown=3, NotChecked=0, Total=1332 [2022-12-14 14:11:24,966 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 92 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:11:24,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 67 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:11:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 14:11:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 24. [2022-12-14 14:11:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:11:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2022-12-14 14:11:24,972 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 13 [2022-12-14 14:11:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:11:24,972 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2022-12-14 14:11:24,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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 14:11:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-14 14:11:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:11:24,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:11:24,972 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:11:24,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 14:11:25,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 14:11:25,174 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:11:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:11:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1419825270, now seen corresponding path program 3 times [2022-12-14 14:11:25,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:11:25,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43758424] [2022-12-14 14:11:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:11:25,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:11:25,196 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:11:25,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959979264] [2022-12-14 14:11:25,196 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:11:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:11:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:11:25,197 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:11:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 14:11:25,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:11:25,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:11:25,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 14:11:25,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:11:25,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:11:25,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-14 14:11:25,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:11:25,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 14:11:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,460 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:25,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:11:25,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,486 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:25,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-12-14 14:11:25,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,536 INFO L321 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2022-12-14 14:11:25,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2022-12-14 14:11:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:25,568 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:11:25,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2022-12-14 14:11:25,698 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 14:11:25,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 35 [2022-12-14 14:11:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:25,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:11:52,578 WARN L233 SmtUtils]: Spent 19.89s on a formula simplification. DAG size of input: 102 DAG size of output: 91 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:11:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:11:52,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:11:52,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43758424] [2022-12-14 14:11:52,595 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:11:52,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959979264] [2022-12-14 14:11:52,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959979264] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:11:52,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1639932547] [2022-12-14 14:11:52,596 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:11:52,596 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:11:52,596 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:11:52,596 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:11:52,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:11:52,682 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:11:52,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:11:52,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:11:52,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:11:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:11:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:52,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,914 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-12-14 14:11:52,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 516 treesize of output 532 [2022-12-14 14:11:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:52,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:11:53,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,005 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:53,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:11:53,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:53,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:53,092 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-12-14 14:11:53,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-12-14 14:11:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:11:53,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:11:53,131 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:11:53,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:11:53,232 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:11:53,837 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1674#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:11:53,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:11:53,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:11:53,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-12-14 14:11:53,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397022959] [2022-12-14 14:11:53,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:11:53,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 14:11:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:11:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 14:11:53,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=560, Unknown=2, NotChecked=0, Total=650 [2022-12-14 14:11:53,839 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:12:08,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:12:08,873 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2022-12-14 14:12:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 14:12:08,873 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 14:12:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:12:08,874 INFO L225 Difference]: With dead ends: 78 [2022-12-14 14:12:08,874 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 14:12:08,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 39.9s TimeCoverageRelationStatistics Valid=373, Invalid=1881, Unknown=2, NotChecked=0, Total=2256 [2022-12-14 14:12:08,876 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 171 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:12:08,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 58 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 14:12:08,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 14:12:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 35. [2022-12-14 14:12:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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 14:12:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2022-12-14 14:12:08,891 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 14 [2022-12-14 14:12:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:12:08,891 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2022-12-14 14:12:08,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:12:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2022-12-14 14:12:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:12:08,891 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:12:08,891 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 14:12:08,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-14 14:12:09,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:12:09,092 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:12:09,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:12:09,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1181831571, now seen corresponding path program 4 times [2022-12-14 14:12:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:12:09,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232185733] [2022-12-14 14:12:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:12:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:12:09,136 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:12:09,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3303567] [2022-12-14 14:12:09,137 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 14:12:09,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:12:09,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:12:09,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:12:09,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 14:12:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:12:09,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-14 14:12:09,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:12:09,380 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-14 14:12:09,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-14 14:12:09,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 14:12:09,410 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-12-14 14:12:09,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-12-14 14:12:09,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:12:09,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-12-14 14:12:09,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 52 [2022-12-14 14:12:09,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-12-14 14:12:09,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:12:09,630 INFO L321 Elim1Store]: treesize reduction 32, result has 13.5 percent of original size [2022-12-14 14:12:09,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 109 [2022-12-14 14:12:09,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 85 [2022-12-14 14:12:09,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2022-12-14 14:12:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,693 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:12:09,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 46 [2022-12-14 14:12:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,765 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-12-14 14:12:09,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 56 [2022-12-14 14:12:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:09,813 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 14:12:09,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 63 treesize of output 64 [2022-12-14 14:12:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:12:10,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:12:31,700 WARN L233 SmtUtils]: Spent 11.13s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:12:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:12:31,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:12:31,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232185733] [2022-12-14 14:12:31,708 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:12:31,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3303567] [2022-12-14 14:12:31,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3303567] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:12:31,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [711128097] [2022-12-14 14:12:31,709 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:12:31,709 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:12:31,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:12:31,709 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:12:31,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:12:31,766 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:12:31,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:12:31,844 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-12-14 14:12:31,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-12-14 14:12:31,927 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:12:31,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:12:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:31,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:12:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:32,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,134 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:12:32,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-12-14 14:12:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:12:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:32,246 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:12:32,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:12:32,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:32,282 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:12:32,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:12:32,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:12:32,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:12:32,311 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:12:32,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:12:32,401 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:12:34,139 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2020#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:12:34,139 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:12:34,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:12:34,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-12-14 14:12:34,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093834988] [2022-12-14 14:12:34,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:12:34,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-14 14:12:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:12:34,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-14 14:12:34,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2022-12-14 14:12:34,141 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:12:51,333 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 232 DAG size of output: 66 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:12:59,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:13:15,315 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 234 DAG size of output: 68 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:13:27,209 WARN L233 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 256 DAG size of output: 91 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:13:35,886 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 235 DAG size of output: 69 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:13:39,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:13:39,176 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2022-12-14 14:13:39,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 14:13:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 14:13:39,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:13:39,177 INFO L225 Difference]: With dead ends: 73 [2022-12-14 14:13:39,177 INFO L226 Difference]: Without dead ends: 71 [2022-12-14 14:13:39,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 78.2s TimeCoverageRelationStatistics Valid=416, Invalid=2339, Unknown=1, NotChecked=0, Total=2756 [2022-12-14 14:13:39,178 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 109 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:13:39,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 84 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 14:13:39,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-12-14 14:13:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 38. [2022-12-14 14:13:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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 14:13:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2022-12-14 14:13:39,191 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 17 [2022-12-14 14:13:39,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:13:39,191 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2022-12-14 14:13:39,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-12-14 14:13:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:13:39,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:13:39,191 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:13:39,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 14:13:39,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:39,393 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:13:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:13:39,394 INFO L85 PathProgramCache]: Analyzing trace with hash 23897916, now seen corresponding path program 5 times [2022-12-14 14:13:39,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:13:39,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787963912] [2022-12-14 14:13:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:13:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:13:39,423 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:13:39,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084083147] [2022-12-14 14:13:39,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:13:39,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:39,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:13:39,425 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:13:39,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 14:13:40,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 14:13:40,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:13:40,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:13:40,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:13:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:13:40,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:13:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:13:40,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:13:40,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787963912] [2022-12-14 14:13:40,593 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:13:40,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084083147] [2022-12-14 14:13:40,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084083147] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:13:40,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1693468819] [2022-12-14 14:13:40,595 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:13:40,595 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:13:40,595 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:13:40,595 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:13:40,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:13:40,685 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:13:40,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:13:40,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:13:40,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:13:40,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:40,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:13:40,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:40,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:40,928 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:13:40,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-12-14 14:13:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:13:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,028 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:41,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:13:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:41,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:41,121 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-12-14 14:13:41,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-12-14 14:13:41,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:41,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:41,161 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:41,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:41,175 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:13:41,426 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2358#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:13:41,426 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:13:41,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:13:41,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2022-12-14 14:13:41,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875437176] [2022-12-14 14:13:41,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:13:41,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 14:13:41,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:13:41,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 14:13:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-12-14 14:13:41,427 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 14:13:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:13:41,665 INFO L93 Difference]: Finished difference Result 108 states and 128 transitions. [2022-12-14 14:13:41,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 14:13:41,666 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 14:13:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:13:41,667 INFO L225 Difference]: With dead ends: 108 [2022-12-14 14:13:41,667 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 14:13:41,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2022-12-14 14:13:41,668 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:13:41,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 43 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:13:41,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 14:13:41,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 47. [2022-12-14 14:13:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2022-12-14 14:13:41,686 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 17 [2022-12-14 14:13:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:13:41,686 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2022-12-14 14:13:41,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 14:13:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2022-12-14 14:13:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:13:41,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:13:41,687 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:13:41,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 14:13:41,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 14:13:41,888 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:13:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:13:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash -176283761, now seen corresponding path program 5 times [2022-12-14 14:13:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:13:41,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498528860] [2022-12-14 14:13:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:13:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:13:41,931 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:13:41,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002024846] [2022-12-14 14:13:41,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:13:41,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:41,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:13:41,932 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:13:41,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 14:13:42,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 14:13:42,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:13:42,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:13:42,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:13:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:13:42,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:13:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:13:42,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:13:42,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498528860] [2022-12-14 14:13:42,409 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:13:42,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002024846] [2022-12-14 14:13:42,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002024846] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:13:42,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1680530765] [2022-12-14 14:13:42,411 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:13:42,411 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:13:42,411 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:13:42,411 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:13:42,411 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:13:42,515 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:13:42,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:13:42,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:13:42,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:13:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:13:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:42,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:42,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,788 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-12-14 14:13:42,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 529 [2022-12-14 14:13:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:13:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:42,943 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:42,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:42,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:42,999 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:13:42,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:13:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:43,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:43,040 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:43,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:43,154 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:13:43,567 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2737#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:13:43,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:13:43,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:13:43,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2022-12-14 14:13:43,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694093031] [2022-12-14 14:13:43,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:13:43,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 14:13:43,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:13:43,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 14:13:43,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2022-12-14 14:13:43,569 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:44,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:13:44,090 INFO L93 Difference]: Finished difference Result 98 states and 111 transitions. [2022-12-14 14:13:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 14:13:44,090 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 14:13:44,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:13:44,091 INFO L225 Difference]: With dead ends: 98 [2022-12-14 14:13:44,091 INFO L226 Difference]: Without dead ends: 83 [2022-12-14 14:13:44,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 14:13:44,092 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 101 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:13:44,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 111 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:13:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-14 14:13:44,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 39. [2022-12-14 14:13:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 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 14:13:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2022-12-14 14:13:44,105 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 17 [2022-12-14 14:13:44,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:13:44,105 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2022-12-14 14:13:44,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-12-14 14:13:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 14:13:44,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:13:44,105 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:13:44,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 14:13:44,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 14:13:44,307 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:13:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:13:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1053204067, now seen corresponding path program 6 times [2022-12-14 14:13:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:13:44,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970179836] [2022-12-14 14:13:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:13:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:13:44,335 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:13:44,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063672611] [2022-12-14 14:13:44,335 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:13:44,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:44,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:13:44,336 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:13:44,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 14:13:44,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:13:44,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:13:44,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:13:44,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:13:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:13:44,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:13:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:13:44,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:13:44,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970179836] [2022-12-14 14:13:44,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:13:44,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063672611] [2022-12-14 14:13:44,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063672611] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:13:44,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1286060440] [2022-12-14 14:13:44,556 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:13:44,556 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:13:44,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:13:44,556 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:13:44,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:13:44,650 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:13:44,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:13:44,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:13:44,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:13:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:13:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:44,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,907 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-12-14 14:13:44,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 534 [2022-12-14 14:13:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:13:44,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:44,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:44,997 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:44,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:45,051 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:13:45,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:13:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:45,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:45,085 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:45,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:45,098 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:13:45,331 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3113#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:13:45,331 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:13:45,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:13:45,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2022-12-14 14:13:45,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055331829] [2022-12-14 14:13:45,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:13:45,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 14:13:45,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:13:45,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 14:13:45,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-12-14 14:13:45,332 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 14:13:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:13:45,647 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2022-12-14 14:13:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 14:13:45,648 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 14:13:45,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:13:45,648 INFO L225 Difference]: With dead ends: 93 [2022-12-14 14:13:45,648 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 14:13:45,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 14:13:45,649 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 58 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:13:45,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 62 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:13:45,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 14:13:45,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 49. [2022-12-14 14:13:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 48 states have internal predecessors, (56), 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 14:13:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2022-12-14 14:13:45,667 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 18 [2022-12-14 14:13:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:13:45,667 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2022-12-14 14:13:45,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 14:13:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-12-14 14:13:45,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 14:13:45,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:13:45,667 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:13:45,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-14 14:13:45,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:45,869 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:13:45,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:13:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1398043620, now seen corresponding path program 7 times [2022-12-14 14:13:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:13:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595032459] [2022-12-14 14:13:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:13:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:13:45,906 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:13:45,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90712687] [2022-12-14 14:13:45,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 14:13:45,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:45,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:13:45,907 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:13:45,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-14 14:13:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:13:45,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 14:13:45,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:13:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:13:46,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:13:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:13:46,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:13:46,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595032459] [2022-12-14 14:13:46,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:13:46,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90712687] [2022-12-14 14:13:46,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90712687] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:13:46,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [955378800] [2022-12-14 14:13:46,114 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:13:46,114 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:13:46,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:13:46,115 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:13:46,115 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:13:46,192 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:13:46,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:13:46,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:13:46,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:13:46,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:13:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,417 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-12-14 14:13:46,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-12-14 14:13:46,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:13:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,553 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:46,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,610 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:13:46,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:13:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:46,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:46,646 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:46,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:13:46,658 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:13:46,868 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3491#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:13:46,868 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:13:46,868 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:13:46,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2022-12-14 14:13:46,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577316862] [2022-12-14 14:13:46,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:13:46,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 14:13:46,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:13:46,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 14:13:46,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:13:46,870 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:47,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:13:47,326 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-12-14 14:13:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 14:13:47,327 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 14:13:47,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:13:47,327 INFO L225 Difference]: With dead ends: 111 [2022-12-14 14:13:47,327 INFO L226 Difference]: Without dead ends: 100 [2022-12-14 14:13:47,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 26 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=482, Invalid=1968, Unknown=0, NotChecked=0, Total=2450 [2022-12-14 14:13:47,328 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 175 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:13:47,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 60 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:13:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-14 14:13:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 61. [2022-12-14 14:13:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 60 states have internal predecessors, (70), 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 14:13:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2022-12-14 14:13:47,350 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 19 [2022-12-14 14:13:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:13:47,350 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2022-12-14 14:13:47,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:13:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-12-14 14:13:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 14:13:47,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:13:47,351 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:13:47,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-14 14:13:47,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 14:13:47,552 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:13:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:13:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash 51791853, now seen corresponding path program 6 times [2022-12-14 14:13:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:13:47,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696918969] [2022-12-14 14:13:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:13:47,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:13:47,588 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:13:47,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149354452] [2022-12-14 14:13:47,588 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:13:47,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:13:47,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:13:47,589 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:13:47,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-14 14:13:48,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:13:48,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:13:48,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 79 conjunts are in the unsatisfiable core [2022-12-14 14:13:48,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:13:48,792 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-14 14:13:48,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-14 14:13:48,810 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-12-14 14:13:48,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-12-14 14:13:48,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:13:48,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:13:48,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:13:48,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2022-12-14 14:13:48,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:13:48,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:13:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,900 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:48,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:13:48,939 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:48,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 124 [2022-12-14 14:13:48,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:48,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 201 [2022-12-14 14:13:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:48,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 87 [2022-12-14 14:13:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,011 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:49,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2022-12-14 14:13:49,057 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:49,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 88 [2022-12-14 14:13:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 152 [2022-12-14 14:13:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 44 [2022-12-14 14:13:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,124 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:13:49,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2022-12-14 14:13:49,205 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:49,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 158 [2022-12-14 14:13:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-12-14 14:13:49,321 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:49,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 214 treesize of output 190 [2022-12-14 14:13:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 251 [2022-12-14 14:13:49,435 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:49,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 166 treesize of output 146 [2022-12-14 14:13:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 214 [2022-12-14 14:13:49,550 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:13:49,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 166 treesize of output 146 [2022-12-14 14:13:49,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 214 [2022-12-14 14:13:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:13:49,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:13:49,650 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 14:13:49,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 80 [2022-12-14 14:13:49,854 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-12-14 14:13:49,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 45 [2022-12-14 14:13:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:13:49,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:15:53,594 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 155 DAG size of output: 141 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:16:03,135 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse40 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse24 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse19 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse41 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse42 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296))) (let ((.cse20 (<= .cse42 2147483647)) (.cse25 (<= .cse41 2147483647)) (.cse35 (* .cse42 8)) (.cse36 (* .cse19 8)) (.cse37 (* 8 .cse24)) (.cse38 (* .cse41 8)) (.cse39 (* .cse40 8)) (.cse0 (<= .cse40 2147483647)) (.cse34 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse29 (<= .cse34 2147483647)) (.cse27 (not .cse0)) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (.cse23 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (not .cse25)) (.cse21 (not .cse20)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse5 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse36)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse28 (* 8 .cse34))) (and (or (let ((.cse8 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28))))) (and (or .cse0 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse1 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse8 v_ArrVal_778))))) (or (and (or .cse9 (let ((.cse13 (<= .cse24 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse10 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) .cse13) (or (not .cse13) (and (or (let ((.cse17 (<= .cse19 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse14 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) (not .cse17)) (or .cse17 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= (let ((.cse18 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)))))) .cse20) (or .cse21 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse22 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))))) (or .cse25 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse26 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse27))) (not .cse29)) (or .cse29 (let ((.cse30 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse28)) 6))) (and (or .cse27 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)) (= 7 (let ((.cse31 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= (let ((.cse32 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)))) .cse9) (or .cse25 (and .cse21 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse33 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse30 v_ArrVal_778))))))) .cse0)))))))) is different from false [2022-12-14 14:16:05,142 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse40 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse24 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse19 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse41 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse42 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296))) (let ((.cse20 (<= .cse42 2147483647)) (.cse25 (<= .cse41 2147483647)) (.cse35 (* .cse42 8)) (.cse36 (* .cse19 8)) (.cse37 (* 8 .cse24)) (.cse38 (* .cse41 8)) (.cse39 (* .cse40 8)) (.cse0 (<= .cse40 2147483647)) (.cse34 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse29 (<= .cse34 2147483647)) (.cse27 (not .cse0)) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (.cse23 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (not .cse25)) (.cse21 (not .cse20)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse5 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse36)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse28 (* 8 .cse34))) (and (or (let ((.cse8 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28))))) (and (or .cse0 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse1 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse8 v_ArrVal_778))))) (or (and (or .cse9 (let ((.cse13 (<= .cse24 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse10 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) .cse13) (or (not .cse13) (and (or (let ((.cse17 (<= .cse19 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse14 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) (not .cse17)) (or .cse17 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= (let ((.cse18 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)))))) .cse20) (or .cse21 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse22 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))))) (or .cse25 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse26 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse27))) (not .cse29)) (or .cse29 (let ((.cse30 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse28)) 6))) (and (or .cse27 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)) (= 7 (let ((.cse31 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= (let ((.cse32 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)))) .cse9) (or .cse25 (and .cse21 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse33 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse30 v_ArrVal_778))))))) .cse0)))))))) is different from true [2022-12-14 14:16:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 2 times theorem prover too weak. 0 trivial. 5 not checked. [2022-12-14 14:16:05,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:05,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696918969] [2022-12-14 14:16:05,175 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:16:05,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149354452] [2022-12-14 14:16:05,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149354452] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:16:05,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [209685718] [2022-12-14 14:16:05,177 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:16:05,177 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:16:05,177 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:16:05,177 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:16:05,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:16:05,254 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:16:05,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:16:05,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:16:05,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-12-14 14:16:05,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:16:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,472 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:16:05,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-12-14 14:16:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:16:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,565 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:16:05,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-12-14 14:16:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,655 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-12-14 14:16:05,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-12-14 14:16:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:16:05,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:16:05,690 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:16:05,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:16:05,790 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:16:09,587 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3956#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:16:09,587 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:16:09,588 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:16:09,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2022-12-14 14:16:09,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992791633] [2022-12-14 14:16:09,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:16:09,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-12-14 14:16:09,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:09,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-12-14 14:16:09,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1147, Unknown=10, NotChecked=70, Total=1406 [2022-12-14 14:16:09,589 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:16:12,559 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse40 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse24 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse19 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse41 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse42 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296))) (let ((.cse20 (<= .cse42 2147483647)) (.cse25 (<= .cse41 2147483647)) (.cse35 (* .cse42 8)) (.cse36 (* .cse19 8)) (.cse37 (* 8 .cse24)) (.cse38 (* .cse41 8)) (.cse39 (* .cse40 8)) (.cse0 (<= .cse40 2147483647)) (.cse34 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse29 (<= .cse34 2147483647)) (.cse27 (not .cse0)) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (.cse23 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (not .cse25)) (.cse21 (not .cse20)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse5 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse36)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse28 (* 8 .cse34)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or (let ((.cse8 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28))))) (and (or .cse0 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse1 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse8 v_ArrVal_778))))) (or (and (or .cse9 (let ((.cse13 (<= .cse24 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse10 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) .cse13) (or (not .cse13) (and (or (let ((.cse17 (<= .cse19 2147483647))) (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= 7 (let ((.cse14 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)))) (not .cse17)) (or .cse17 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= (let ((.cse18 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)))))) .cse20) (or .cse21 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse22 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))))) (or .cse25 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= .cse8 v_ArrVal_778)) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (= 7 (let ((.cse26 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse27))) (not .cse29)) (or .cse29 (let ((.cse30 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse28)) 6))) (and (or .cse27 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)) (= 7 (let ((.cse31 (store (store (store (store (store .cse2 .cse11 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int) (v_ArrVal_778 Int)) (or (= (let ((.cse32 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse12 v_ArrVal_780) .cse15 v_ArrVal_783) .cse16 v_ArrVal_785) .cse23 v_ArrVal_786))) (+ (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7) (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (not (<= .cse30 v_ArrVal_778)))) .cse9) (or .cse25 (and .cse21 (forall ((v_ArrVal_778 Int)) (or (forall ((v_ArrVal_780 Int)) (or (not (<= (+ v_ArrVal_778 6) v_ArrVal_780)) (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= (let ((.cse33 (store (store (store (store (store .cse2 .cse3 v_ArrVal_778) .cse4 v_ArrVal_780) .cse5 v_ArrVal_783) .cse6 v_ArrVal_785) .cse7 v_ArrVal_786))) (+ (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (not (<= .cse30 v_ArrVal_778))))))) .cse0)))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-12-14 14:16:25,866 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 204 DAG size of output: 64 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:16:28,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:16:35,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:16:44,539 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse51 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse37 (* 8 .cse51)) (.cse52 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse55 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse54 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse53 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse19 (<= .cse53 2147483647)) (.cse18 (<= .cse54 2147483647)) (.cse44 (<= .cse55 2147483647)) (.cse34 (<= .cse52 2147483647)) (.cse10 (select .cse5 (+ .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse11 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37))) (.cse47 (* .cse55 8)) (.cse48 (* 8 .cse54)) (.cse49 (* .cse53 8)) (.cse50 (* .cse52 8))) (let ((.cse15 (+ .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse10 .cse11)) (.cse0 (select .cse1 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse38 (<= .cse51 2147483647)) (.cse30 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (not .cse34)) (.cse21 (+ .cse49 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse47)) (.cse33 (not .cse44)) (.cse22 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse9 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse25 (+ .cse49 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse28 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse47)) (.cse26 (not .cse18)) (.cse23 (not .cse19))) (and (<= (+ .cse0 6) (select .cse1 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (let ((.cse6 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse3 (select .cse5 .cse7)) (.cse4 (select .cse6 8)) (.cse2 (select .cse6 0))) (and (= (+ .cse2 1) .cse3) (<= (+ .cse3 .cse4) (select .cse5 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (<= (+ 6 .cse4) (select .cse6 16)) (<= 12 .cse4) (= 6 .cse2))))) (forall ((v_ArrVal_796 Int) (v_ArrVal_795 Int) (v_ArrVal_793 Int) (v_ArrVal_790 Int)) (let ((.cse8 (store .cse5 .cse15 .cse16))) (or (not (<= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse10 .cse11) v_ArrVal_790)) (= 7 (select (store (store (store (store .cse8 .cse12 v_ArrVal_790) .cse13 v_ArrVal_793) .cse14 v_ArrVal_795) (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_796) .cse7))))) (or .cse17 (and (or .cse18 (and (or .cse19 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse20 (store (store (store .cse1 .cse9 v_ArrVal_783) .cse21 v_ArrVal_785) .cse22 v_ArrVal_786))) (+ (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or .cse23 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse24 (store (store (store .cse1 .cse9 v_ArrVal_783) .cse25 v_ArrVal_785) .cse22 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) (or .cse26 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse27 (store (store (store .cse1 .cse9 v_ArrVal_783) .cse25 v_ArrVal_785) .cse28 v_ArrVal_786))) (+ (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or (let ((.cse32 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) 6))) (and (or (and (forall ((v_ArrVal_780 Int)) (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse29 (store (store (store (store .cse1 .cse30 v_ArrVal_780) .cse21 v_ArrVal_783) .cse22 v_ArrVal_785) .cse31 v_ArrVal_786))) (+ (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (not (<= .cse32 v_ArrVal_780)))) .cse33) .cse34) (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int)) (or (not (<= .cse32 v_ArrVal_780)) (= 7 (let ((.cse35 (store (store (store (store .cse1 .cse9 v_ArrVal_780) .cse25 v_ArrVal_783) .cse28 v_ArrVal_785) .cse36 v_ArrVal_786))) (+ (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse17))) .cse38) (forall ((v_ArrVal_796 Int) (v_ArrVal_795 Int) (v_ArrVal_793 Int) (v_ArrVal_790 Int)) (or (= 7 (select (store (store (store (store .cse5 .cse15 v_ArrVal_790) .cse12 v_ArrVal_793) .cse13 v_ArrVal_795) .cse14 v_ArrVal_796) .cse7)) (not (<= .cse16 v_ArrVal_790)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (and (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse39 (store (store (store .cse1 .cse30 v_ArrVal_783) .cse21 v_ArrVal_785) .cse22 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse26) .cse34) (<= 12 .cse0) (or (not .cse38) (let ((.cse41 (+ 6 .cse11))) (and (or .cse34 (forall ((v_ArrVal_780 Int)) (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int)) (= 7 (let ((.cse40 (store (store (store (store .cse1 .cse30 v_ArrVal_780) .cse21 v_ArrVal_783) .cse22 v_ArrVal_785) .cse31 v_ArrVal_786))) (+ (select .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (not (<= .cse41 v_ArrVal_780))))) (or .cse17 (and (or .cse19 (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int)) (or (not (<= .cse41 v_ArrVal_780)) (= (let ((.cse42 (store (store (store (store .cse1 .cse9 v_ArrVal_780) .cse21 v_ArrVal_783) .cse22 v_ArrVal_785) .cse31 v_ArrVal_786))) (+ (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) 7)))) (or (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int)) (or (not (<= .cse41 v_ArrVal_780)) (= 7 (let ((.cse43 (store (store (store (store .cse1 .cse9 v_ArrVal_780) .cse25 v_ArrVal_783) .cse28 v_ArrVal_785) .cse36 v_ArrVal_786))) (+ (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse33) (or .cse44 (and (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int)) (or (= 7 (let ((.cse45 (store (store (store (store .cse1 .cse9 v_ArrVal_780) .cse25 v_ArrVal_783) .cse22 v_ArrVal_785) .cse31 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse41 v_ArrVal_780)))) .cse18) (or (forall ((v_ArrVal_786 Int) (v_ArrVal_785 Int) (v_ArrVal_783 Int) (v_ArrVal_780 Int)) (or (= 7 (let ((.cse46 (store (store (store (store .cse1 .cse9 v_ArrVal_780) .cse25 v_ArrVal_783) .cse28 v_ArrVal_785) .cse31 v_ArrVal_786))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse41 v_ArrVal_780)))) .cse26)))) .cse23))))))))))) is different from true [2022-12-14 14:16:47,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:16:48,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 14:16:51,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:16:53,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:16:59,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:17:01,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:17:05,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:17:07,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-12-14 14:17:14,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 14:17:16,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-12-14 14:17:20,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2022-12-14 14:17:30,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 14:17:32,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 14:17:34,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 14:17:42,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 14:17:52,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2022-12-14 14:17:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:56,101 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2022-12-14 14:17:56,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-12-14 14:17:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 14:17:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:56,102 INFO L225 Difference]: With dead ends: 138 [2022-12-14 14:17:56,102 INFO L226 Difference]: Without dead ends: 136 [2022-12-14 14:17:56,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 192.1s TimeCoverageRelationStatistics Valid=782, Invalid=4317, Unknown=25, NotChecked=426, Total=5550 [2022-12-14 14:17:56,105 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 190 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 55 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:56,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 115 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 351 Invalid, 15 Unknown, 61 Unchecked, 42.8s Time] [2022-12-14 14:17:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-12-14 14:17:56,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 81. [2022-12-14 14:17:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.2625) internal successors, (101), 80 states have internal predecessors, (101), 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 14:17:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2022-12-14 14:17:56,152 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 20 [2022-12-14 14:17:56,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:56,152 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2022-12-14 14:17:56,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:17:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2022-12-14 14:17:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 14:17:56,152 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:56,152 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:56,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-14 14:17:56,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 14:17:56,354 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:17:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -77310589, now seen corresponding path program 8 times [2022-12-14 14:17:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:56,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348743638] [2022-12-14 14:17:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:56,405 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:17:56,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166949724] [2022-12-14 14:17:56,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:17:56,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:17:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:17:56,406 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:17:56,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-14 14:18:00,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 14:18:00,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:18:00,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 14:18:00,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:01,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:18:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:01,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:18:01,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348743638] [2022-12-14 14:18:01,139 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:18:01,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166949724] [2022-12-14 14:18:01,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166949724] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:18:01,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1795880337] [2022-12-14 14:18:01,140 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:18:01,140 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:18:01,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:18:01,140 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:18:01,141 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:18:01,199 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:18:01,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:18:01,281 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:18:01,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:18:01,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:18:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-12-14 14:18:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,519 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-12-14 14:18:01,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 534 [2022-12-14 14:18:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:18:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,654 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:01,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:18:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,706 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 14:18:01,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-12-14 14:18:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:01,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:01,742 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:01,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:18:01,754 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:18:02,054 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4519#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:18:02,055 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:18:02,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:18:02,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2022-12-14 14:18:02,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652824731] [2022-12-14 14:18:02,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:18:02,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-14 14:18:02,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:18:02,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-14 14:18:02,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-12-14 14:18:02,056 INFO L87 Difference]: Start difference. First operand 81 states and 101 transitions. Second operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:18:02,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:18:02,907 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2022-12-14 14:18:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-14 14:18:02,908 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 14:18:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:18:02,908 INFO L225 Difference]: With dead ends: 183 [2022-12-14 14:18:02,909 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 14:18:02,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=807, Invalid=3483, Unknown=0, NotChecked=0, Total=4290 [2022-12-14 14:18:02,910 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 257 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:18:02,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 106 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:18:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 14:18:02,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 104. [2022-12-14 14:18:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.2427184466019416) internal successors, (128), 103 states have internal predecessors, (128), 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 14:18:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2022-12-14 14:18:02,964 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 20 [2022-12-14 14:18:02,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:18:02,964 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2022-12-14 14:18:02,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:18:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2022-12-14 14:18:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 14:18:02,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:18:02,965 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:18:02,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-12-14 14:18:03,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 14:18:03,165 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:18:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:18:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2084259588, now seen corresponding path program 9 times [2022-12-14 14:18:03,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:18:03,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334821055] [2022-12-14 14:18:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:18:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:18:03,189 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:18:03,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408900604] [2022-12-14 14:18:03,189 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:18:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:18:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:18:03,190 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:18:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1699cfdd-f03f-47bb-9a86-272ca1eaa39d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-14 14:18:11,606 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:18:11,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:18:11,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2022-12-14 14:18:11,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:18:11,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 14:18:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-14 14:18:11,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:18:11,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 14:18:11,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,664 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:11,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-12-14 14:18:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,699 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:11,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 14:18:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,739 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:11,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 61 [2022-12-14 14:18:11,802 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:18:11,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 150 [2022-12-14 14:18:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 239 [2022-12-14 14:18:11,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 96 [2022-12-14 14:18:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:11,939 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:11,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 84 [2022-12-14 14:18:12,012 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:18:12,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 114 [2022-12-14 14:18:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 190 [2022-12-14 14:18:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,137 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:18:12,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 84 [2022-12-14 14:18:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,269 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 14:18:12,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 101 treesize of output 89 [2022-12-14 14:18:12,357 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:18:12,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 225 treesize of output 195 [2022-12-14 14:18:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 228 [2022-12-14 14:18:12,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,521 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 14:18:12,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 125 treesize of output 109 [2022-12-14 14:18:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:12,618 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 14:18:12,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 131 treesize of output 118 [2022-12-14 14:18:12,715 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:18:12,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 137 [2022-12-14 14:18:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 179 [2022-12-14 14:18:12,900 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 14:18:12,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 236 [2022-12-14 14:18:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 179 [2022-12-14 14:18:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:12,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 71 [2022-12-14 14:18:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:18:13,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:18:13,042 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 14:18:13,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 125 treesize of output 116 [2022-12-14 14:18:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:18:13,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:20:11,260 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 116 DAG size of output: 97 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:20:20,460 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse38 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse36 (* .cse38 8)) (.cse37 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse34 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse24 (<= .cse38 2147483647)) (.cse35 (* .cse37 8)) (.cse16 (<= .cse37 2147483647)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse15 (+ .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse17 (select .cse14 .cse15)) (.cse20 (+ .cse36 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (not .cse16)) (.cse3 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse8 (+ (* 8 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ (* (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ (* (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ (* (mod (+ 6 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (not .cse24)) (.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse26 (* 8 .cse34)) (.cse0 (<= .cse34 2147483647))) (and (or .cse0 (let ((.cse4 (+ (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse26)) (select .cse14 (+ (- 34359738368) .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse1 (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse2 (store .cse14 .cse15 v_ArrVal_973))) (let ((.cse6 (store .cse2 .cse13 v_ArrVal_974))) (or (not (<= (+ v_ArrVal_973 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (not (<= .cse4 v_ArrVal_973)) (not (<= (+ (select .cse2 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)) v_ArrVal_976)) (= (select (store (store (store (store (store .cse6 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) (or (and (or .cse16 (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse18 (store .cse14 .cse20 v_ArrVal_973))) (let ((.cse19 (store .cse18 .cse5 v_ArrVal_974))) (or (not (<= .cse4 v_ArrVal_973)) (not (<= (+ .cse17 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (= (select (store (store (store (store (store .cse19 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_974 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)) v_ArrVal_976))))))) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse22 (store .cse14 .cse20 v_ArrVal_973))) (let ((.cse21 (store .cse22 .cse13 v_ArrVal_974))) (or (not (<= .cse4 v_ArrVal_973)) (= (select (store (store (store (store (store .cse21 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ .cse17 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (not (<= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) (select .cse22 .cse5)) v_ArrVal_976)))))) .cse23)) .cse24)))) (or (let ((.cse27 (+ (select .cse14 (+ .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26))))) (and (or (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse28 (store .cse14 .cse20 v_ArrVal_973))) (let ((.cse29 (store .cse28 .cse5 v_ArrVal_974))) (or (not (<= .cse27 v_ArrVal_973)) (not (<= (+ .cse17 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (= (select (store (store (store (store (store .cse29 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_974 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)) v_ArrVal_976)))))) .cse24) (or (and (or .cse16 (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse30 (store .cse14 .cse15 v_ArrVal_973))) (let ((.cse31 (store .cse30 .cse5 v_ArrVal_974))) (or (not (<= (+ v_ArrVal_973 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (not (<= .cse27 v_ArrVal_973)) (= (select (store (store (store (store (store .cse31 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) v_ArrVal_974) v_ArrVal_976))))))) (or .cse23 (forall ((v_ArrVal_973 Int) (v_ArrVal_984 Int) (v_ArrVal_983 Int) (v_ArrVal_981 Int) (v_ArrVal_979 Int) (v_ArrVal_976 Int) (v_ArrVal_974 Int)) (let ((.cse32 (store .cse14 .cse15 v_ArrVal_973))) (let ((.cse33 (store .cse32 .cse13 v_ArrVal_974))) (or (not (<= (+ v_ArrVal_973 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3)) v_ArrVal_974)) (not (<= .cse27 v_ArrVal_973)) (not (<= (+ (select .cse32 .cse5) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)) v_ArrVal_976)) (= (select (store (store (store (store (store .cse33 .cse8 v_ArrVal_976) .cse9 v_ArrVal_979) .cse10 v_ArrVal_981) .cse11 v_ArrVal_983) .cse12 v_ArrVal_984) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))) .cse1))) (not .cse0))))))) is different from false [2022-12-14 14:20:28,755 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse26 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse28 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse27 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse29 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse17 (<= .cse29 2147483647)) (.cse15 (<= .cse27 2147483647)) (.cse25 (* .cse29 8)) (.cse13 (<= .cse28 2147483647)) (.cse24 (* .cse28 8)) (.cse22 (* .cse26 8)) (.cse23 (* 8 .cse27)) (.cse8 (<= .cse26 2147483647)) (.cse21 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse19 (<= .cse21 2147483647)) (.cse10 (not .cse8)) (.cse11 (+ .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse22)) (.cse14 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse12 (not .cse13)) (.cse16 (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse15)) (.cse0 (not .cse17)) (.cse3 (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse18 (* 8 .cse21))) (and (or (let ((.cse7 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse18))))) (and (or .cse0 (and (or .cse1 (and (or (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse7 v_ArrVal_964)))) .cse8) (or (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse9 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse10))) (or (and (or (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse11 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse12) (or .cse13 (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse3 v_ArrVal_964) .cse14 v_ArrVal_967) .cse11 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse15))) (or (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse16 v_ArrVal_964) .cse14 v_ArrVal_967) .cse11 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse17))) (not .cse19)) (or .cse19 (let ((.cse20 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse18)) 6))) (and (or (and (or (and (or (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= 1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse16 v_ArrVal_964) .cse14 v_ArrVal_967) .cse11 v_ArrVal_969) .cse9 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (not (<= .cse20 v_ArrVal_964)))) .cse10) (or .cse8 (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse20 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse16 v_ArrVal_964) .cse14 v_ArrVal_967) .cse11 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse15) (or (and (or .cse13 (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse20 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse16 v_ArrVal_964) .cse14 v_ArrVal_967) .cse5 v_ArrVal_969) .cse9 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or .cse12 (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse20 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse16 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse9 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse1)) .cse17) (or .cse0 (forall ((v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse20 v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store .cse2 .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse9 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))))))) is different from true [2022-12-14 14:20:41,981 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse31 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse33 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse32 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse35 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse25 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse7 (<= .cse35 2147483647)) (.cse30 (* .cse35 8)) (.cse9 (<= .cse34 2147483647)) (.cse15 (<= .cse32 2147483647)) (.cse29 (* .cse34 8)) (.cse14 (<= .cse33 2147483647)) (.cse28 (* 8 .cse33)) (.cse27 (* .cse32 8)) (.cse19 (<= .cse31 2147483647)) (.cse26 (* .cse31 8))) (let ((.cse5 (+ .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (not .cse19)) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse27)) (.cse3 (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (not .cse14)) (.cse2 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse15)) (.cse21 (not .cse9)) (.cse1 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse8 (not .cse7)) (.cse10 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse27)) (.cse18 (+ .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse22 (* 8 .cse25)) (.cse23 (<= .cse25 2147483647))) (and (or (let ((.cse6 (+ 6 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22))))) (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse2 v_ArrVal_964) .cse3 v_ArrVal_967) .cse4 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse6 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)))) .cse7) (or .cse8 (and (or .cse9 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse6 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse2 v_ArrVal_964) .cse3 v_ArrVal_967) .cse4 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964))))) (or (and (or (and (or .cse11 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse6 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse12 v_ArrVal_964) .cse13 v_ArrVal_967) .cse4 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse6 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse12 v_ArrVal_964) .cse3 v_ArrVal_967) .cse4 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse14)) .cse15) (or (and (or .cse16 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse6 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse12 v_ArrVal_964) .cse13 v_ArrVal_967) .cse17 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse6 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse12 v_ArrVal_964) .cse13 v_ArrVal_967) .cse17 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse19)) .cse20)) .cse21))))) (not .cse23)) (or (let ((.cse24 (+ (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse22)) 6))) (and (or .cse7 (and (or .cse9 (and (or .cse15 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse2 v_ArrVal_964) .cse3 v_ArrVal_967) .cse4 v_ArrVal_969) .cse5 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse24 v_ArrVal_962)))) .cse19) (or .cse16 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse2 v_ArrVal_964) .cse3 v_ArrVal_967) .cse4 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse24 v_ArrVal_962))))))) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse24 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse2 v_ArrVal_964) .cse3 v_ArrVal_967) .cse17 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse14) (or .cse11 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse24 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse2 v_ArrVal_964) .cse13 v_ArrVal_967) .cse17 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse20))) (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse1 v_ArrVal_962) .cse12 v_ArrVal_964) .cse13 v_ArrVal_967) .cse17 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse24 v_ArrVal_962))))))) (or .cse8 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse0 .cse10 v_ArrVal_962) .cse12 v_ArrVal_964) .cse13 v_ArrVal_967) .cse17 v_ArrVal_969) .cse18 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse24 v_ArrVal_962))))))) .cse23))))) is different from true [2022-12-14 14:21:18,147 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse39 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse38 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse37 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse40 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse29 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse25 (<= .cse41 2147483647)) (.cse34 (* .cse36 8)) (.cse35 (* .cse41 8)) (.cse20 (<= .cse40 2147483647)) (.cse31 (* .cse37 8)) (.cse32 (* .cse38 8)) (.cse33 (* 8 .cse40)) (.cse11 (<= .cse39 2147483647)) (.cse30 (* .cse39 8)) (.cse15 (<= .cse38 2147483647)) (.cse17 (<= .cse37 2147483647)) (.cse22 (<= .cse36 2147483647))) (let ((.cse21 (not .cse22)) (.cse12 (not .cse17)) (.cse16 (not .cse15)) (.cse10 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse11)) (.cse19 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32)) (.cse14 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (not .cse20)) (.cse24 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse0 (not .cse25)) (.cse3 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32)) (.cse7 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse26 (* 8 .cse29)) (.cse27 (<= .cse29 2147483647))) (and (or (let ((.cse9 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26))))) (and (or .cse0 (and (or (and (or (and (or (and (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse11)) .cse12) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse15) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse16)) .cse17)) .cse18) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse20)) .cse21) (or .cse22 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse25))) (not .cse27)) (or (let ((.cse28 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse26)) 6))) (and (or .cse25 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))) (or .cse22 (and (or (and (or .cse12 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse16) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse15))) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse11) (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)))))) .cse17)) .cse20) (or .cse18 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))))))) (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961))))))) .cse27))))) is different from false [2022-12-14 14:21:20,156 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse39 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse38 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse37 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse40 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse29 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse25 (<= .cse41 2147483647)) (.cse34 (* .cse36 8)) (.cse35 (* .cse41 8)) (.cse20 (<= .cse40 2147483647)) (.cse31 (* .cse37 8)) (.cse32 (* .cse38 8)) (.cse33 (* 8 .cse40)) (.cse11 (<= .cse39 2147483647)) (.cse30 (* .cse39 8)) (.cse15 (<= .cse38 2147483647)) (.cse17 (<= .cse37 2147483647)) (.cse22 (<= .cse36 2147483647))) (let ((.cse21 (not .cse22)) (.cse12 (not .cse17)) (.cse16 (not .cse15)) (.cse10 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse11)) (.cse19 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32)) (.cse14 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (not .cse20)) (.cse24 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse0 (not .cse25)) (.cse3 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32)) (.cse7 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse26 (* 8 .cse29)) (.cse27 (<= .cse29 2147483647))) (and (or (let ((.cse9 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26))))) (and (or .cse0 (and (or (and (or (and (or (and (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse11)) .cse12) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse15) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse16)) .cse17)) .cse18) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse20)) .cse21) (or .cse22 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse25))) (not .cse27)) (or (let ((.cse28 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse26)) 6))) (and (or .cse25 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))) (or .cse22 (and (or (and (or .cse12 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse16) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse15))) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse11) (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)))))) .cse17)) .cse20) (or .cse18 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))))))) (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961))))))) .cse27))))) is different from true [2022-12-14 14:23:06,802 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse42 (mod (+ 6 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse43 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse44 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse45 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse46 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse47 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse0 (<= .cse47 2147483647)) (.cse39 (* .cse47 8)) (.cse12 (<= .cse46 2147483647)) (.cse13 (<= .cse45 2147483647)) (.cse38 (* 8 .cse46)) (.cse36 (* .cse44 8)) (.cse37 (* .cse45 8)) (.cse18 (<= .cse44 2147483647)) (.cse19 (<= .cse43 2147483647)) (.cse35 (* .cse43 8)) (.cse24 (<= .cse42 2147483647)) (.cse34 (* .cse42 8)) (.cse40 (* .cse41 8)) (.cse28 (<= .cse41 2147483647))) (let ((.cse27 (not .cse28)) (.cse2 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse21 (not .cse24)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse19)) (.cse15 (not .cse18)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse6 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (not .cse13)) (.cse26 (not .cse12)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse29 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse17 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (not .cse0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (* 8 .cse33)) (.cse31 (<= .cse33 2147483647))) (and (or (let ((.cse9 (+ 6 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse30))))) (and (or (and (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse10 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse12) (or (and (or .cse13 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (and (or (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18)) .cse19) (or .cse20 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse24)))) .cse25)) .cse26)))) .cse27) (or .cse28 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (not .cse31)) (or (let ((.cse32 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse30)) 6))) (and (or .cse27 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse28 (and (or .cse0 (and (or (and (or .cse13 (and (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse24) (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))))) .cse19) (or .cse20 (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse25)) .cse12) (or .cse26 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse10))))) .cse31))))) is different from false [2022-12-14 14:23:08,813 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse42 (mod (+ 6 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse43 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse44 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse45 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse46 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse47 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse0 (<= .cse47 2147483647)) (.cse39 (* .cse47 8)) (.cse12 (<= .cse46 2147483647)) (.cse13 (<= .cse45 2147483647)) (.cse38 (* 8 .cse46)) (.cse36 (* .cse44 8)) (.cse37 (* .cse45 8)) (.cse18 (<= .cse44 2147483647)) (.cse19 (<= .cse43 2147483647)) (.cse35 (* .cse43 8)) (.cse24 (<= .cse42 2147483647)) (.cse34 (* .cse42 8)) (.cse40 (* .cse41 8)) (.cse28 (<= .cse41 2147483647))) (let ((.cse27 (not .cse28)) (.cse2 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse21 (not .cse24)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse19)) (.cse15 (not .cse18)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse6 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (not .cse13)) (.cse26 (not .cse12)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse29 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse17 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (not .cse0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (* 8 .cse33)) (.cse31 (<= .cse33 2147483647))) (and (or (let ((.cse9 (+ 6 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse30))))) (and (or (and (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse10 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse12) (or (and (or .cse13 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (and (or (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18)) .cse19) (or .cse20 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse24)))) .cse25)) .cse26)))) .cse27) (or .cse28 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (not .cse31)) (or (let ((.cse32 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse30)) 6))) (and (or .cse27 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse28 (and (or .cse0 (and (or (and (or .cse13 (and (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse24) (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))))) .cse19) (or .cse20 (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse25)) .cse12) (or .cse26 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse1 .cse29 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse10))))) .cse31))))) is different from true [2022-12-14 14:23:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 29 not checked. [2022-12-14 14:23:08,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:08,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334821055] [2022-12-14 14:23:08,848 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:23:08,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408900604] [2022-12-14 14:23:08,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408900604] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:23:08,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2146565052] [2022-12-14 14:23:08,849 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 14:23:08,849 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:23:08,849 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:23:08,849 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:23:08,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:23:08,911 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-12-14 14:23:08,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-12-14 14:23:08,995 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-14 14:23:08,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 14:23:09,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 14:23:09,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:23:09,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-12-14 14:23:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:23:09,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:23:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,207 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-12-14 14:23:09,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-12-14 14:23:09,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-12-14 14:23:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:23:09,317 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:23:09,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:23:09,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:23:09,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:23:09,350 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:23:09,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-12-14 14:23:09,360 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:23:10,527 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5204#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 14:23:10,528 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:23:10,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:23:10,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2022-12-14 14:23:10,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435780271] [2022-12-14 14:23:10,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 14:23:10,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-14 14:23:10,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:10,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-14 14:23:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1078, Unknown=19, NotChecked=370, Total=1722 [2022-12-14 14:23:10,530 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 37 states have internal predecessors, (40), 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 14:23:12,591 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse42 (mod (+ 6 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse43 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse44 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse45 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse46 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse47 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse1 (<= .cse47 2147483647)) (.cse39 (* .cse47 8)) (.cse12 (<= .cse46 2147483647)) (.cse13 (<= .cse45 2147483647)) (.cse38 (* 8 .cse46)) (.cse36 (* .cse44 8)) (.cse37 (* .cse45 8)) (.cse18 (<= .cse44 2147483647)) (.cse19 (<= .cse43 2147483647)) (.cse35 (* .cse43 8)) (.cse24 (<= .cse42 2147483647)) (.cse34 (* .cse42 8)) (.cse40 (* .cse41 8)) (.cse28 (<= .cse41 2147483647))) (let ((.cse27 (not .cse28)) (.cse2 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse21 (not .cse24)) (.cse7 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse19)) (.cse15 (not .cse18)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse37)) (.cse6 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse25 (not .cse13)) (.cse26 (not .cse12)) (.cse3 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse29 (+ .cse40 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse11 (+ .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37)) (.cse17 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (not .cse1)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (* 8 .cse33)) (.cse31 (<= .cse33 2147483647))) (and (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or (let ((.cse9 (+ 6 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse30))))) (and (or (and (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse10 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse12) (or (and (or .cse13 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (and (or (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18)) .cse19) (or .cse20 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse24)))) .cse25)) .cse26)))) .cse27) (or .cse28 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse9 v_ArrVal_959)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (not .cse31)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (let ((.cse32 (+ (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse30)) 6))) (and (or .cse27 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse2 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or .cse28 (and (or .cse1 (and (or (and (or .cse13 (and (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse24) (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))))) .cse19) (or .cse20 (and (or .cse15 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse18))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse25)) .cse12) (or .cse26 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse3 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_959 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse32 v_ArrVal_959)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store (store .cse0 .cse29 v_ArrVal_959) .cse11 v_ArrVal_961) .cse14 v_ArrVal_962) .cse16 v_ArrVal_964) .cse17 v_ArrVal_967) .cse22 v_ArrVal_969) .cse23 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_959 6) v_ArrVal_961)))) .cse10))))) .cse31) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-12-14 14:23:14,613 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse39 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse38 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse37 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse40 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse29 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse25 (<= .cse41 2147483647)) (.cse34 (* .cse36 8)) (.cse35 (* .cse41 8)) (.cse20 (<= .cse40 2147483647)) (.cse31 (* .cse37 8)) (.cse32 (* .cse38 8)) (.cse33 (* 8 .cse40)) (.cse11 (<= .cse39 2147483647)) (.cse30 (* .cse39 8)) (.cse15 (<= .cse38 2147483647)) (.cse17 (<= .cse37 2147483647)) (.cse22 (<= .cse36 2147483647))) (let ((.cse21 (not .cse22)) (.cse12 (not .cse17)) (.cse16 (not .cse15)) (.cse10 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse11)) (.cse19 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32)) (.cse14 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (not .cse20)) (.cse24 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse23 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse0 (not .cse25)) (.cse3 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32)) (.cse7 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse26 (* 8 .cse29)) (.cse27 (<= .cse29 2147483647)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or (let ((.cse9 (+ 6 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26))))) (and (or .cse0 (and (or (and (or (and (or (and (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse11)) .cse12) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse15) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse16)) .cse17)) .cse18) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse9 v_ArrVal_961)))) .cse20)) .cse21) (or .cse22 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961))))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse9 v_ArrVal_961)))) .cse25))) (not .cse27)) (or (let ((.cse28 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse26)) 6))) (and (or .cse25 (and (or .cse21 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))) (or .cse22 (and (or (and (or .cse12 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse16) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse15))) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse10 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961)))) .cse11) (or .cse1 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse19 v_ArrVal_964) .cse13 v_ArrVal_967) .cse14 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961)))))) .cse17)) .cse20) (or .cse18 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse24 v_ArrVal_961) .cse23 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (not (<= .cse28 v_ArrVal_961))))))))) (or .cse0 (forall ((v_ArrVal_962 Int) (v_ArrVal_961 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= (+ v_ArrVal_961 6) v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store (store .cse2 .cse3 v_ArrVal_961) .cse4 v_ArrVal_962) .cse5 v_ArrVal_964) .cse6 v_ArrVal_967) .cse7 v_ArrVal_969) .cse8 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse28 v_ArrVal_961))))))) .cse27) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= 12 (select .cse2 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) is different from true [2022-12-14 14:23:16,630 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse32 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse34 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse33 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse36 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse26 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse8 (<= .cse36 2147483647)) (.cse31 (* .cse36 8)) (.cse10 (<= .cse35 2147483647)) (.cse16 (<= .cse33 2147483647)) (.cse30 (* .cse35 8)) (.cse15 (<= .cse34 2147483647)) (.cse29 (* 8 .cse34)) (.cse28 (* .cse33 8)) (.cse20 (<= .cse32 2147483647)) (.cse27 (* .cse32 8)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse0 (select .cse1 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse6 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (not .cse20)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse28)) (.cse4 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse12 (not .cse15)) (.cse3 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse21 (not .cse16)) (.cse22 (not .cse10)) (.cse2 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse9 (not .cse8)) (.cse11 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28)) (.cse19 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (* 8 .cse26)) (.cse24 (<= .cse26 2147483647))) (and (<= (+ .cse0 6) (select .cse1 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= 3 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (let ((.cse7 (+ 6 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse23))))) (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse7 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)))) .cse8) (or .cse9 (and (or .cse10 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964))))) (or (and (or (and (or .cse12 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse13 v_ArrVal_964) .cse14 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse13 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse15)) .cse16) (or (and (or .cse17 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse13 v_ArrVal_964) .cse14 v_ArrVal_967) .cse18 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964))))) (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= .cse7 v_ArrVal_962)) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse13 v_ArrVal_964) .cse14 v_ArrVal_967) .cse18 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse20)) .cse21)) .cse22))))) (not .cse24)) (<= 12 .cse0) (or (let ((.cse25 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse23)) 6))) (and (or .cse8 (and (or .cse10 (and (or .cse16 (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse6 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse25 v_ArrVal_962)))) .cse20) (or .cse17 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse5 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse25 v_ArrVal_962))))))) (or (and (or (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse25 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse3 v_ArrVal_964) .cse4 v_ArrVal_967) .cse18 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse15) (or .cse12 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse25 v_ArrVal_962)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse3 v_ArrVal_964) .cse14 v_ArrVal_967) .cse18 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse21))) (or .cse22 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse2 v_ArrVal_962) .cse13 v_ArrVal_964) .cse14 v_ArrVal_967) .cse18 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= .cse25 v_ArrVal_962))))))) (or .cse9 (forall ((v_ArrVal_962 Int) (v_ArrVal_971 Int) (v_ArrVal_969 Int) (v_ArrVal_967 Int) (v_ArrVal_964 Int)) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store (store (store (store .cse1 .cse11 v_ArrVal_962) .cse13 v_ArrVal_964) .cse14 v_ArrVal_967) .cse18 v_ArrVal_969) .cse19 v_ArrVal_971)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (<= (+ v_ArrVal_962 6) v_ArrVal_964)) (not (<= .cse25 v_ArrVal_962))))))) .cse24))))) is different from true