./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ncomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ncomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI --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 c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d --- 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-5e519f3 [2022-11-03 04:02:47,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:02:47,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:02:47,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:02:47,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:02:47,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:02:47,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:02:47,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:02:47,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:02:47,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:02:47,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:02:47,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:02:47,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:02:47,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:02:47,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:02:47,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:02:47,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:02:47,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:02:47,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:02:47,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:02:47,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:02:47,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:02:47,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:02:47,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:02:47,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:02:47,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:02:47,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:02:47,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:02:47,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:02:47,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:02:47,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:02:47,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:02:47,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:02:47,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:02:47,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:02:47,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:02:47,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:02:47,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:02:47,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:02:47,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:02:47,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:02:47,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 04:02:47,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:02:47,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:02:47,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:02:47,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:02:47,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:02:47,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:02:47,161 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:02:47,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:02:47,162 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:02:47,162 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:02:47,162 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:02:47,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:02:47,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:02:47,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:02:47,163 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:02:47,164 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:02:47,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:02:47,164 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:02:47,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:02:47,165 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:02:47,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:02:47,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:02:47,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:02:47,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:02:47,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:02:47,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:02:47,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:02:47,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:02:47,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:02:47,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:02:47,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:02:47,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:02:47,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:02:47,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:02:47,169 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:02:47,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:02:47,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:02:47,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:02:47,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:02:47,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:02:47,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:02:47,170 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_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d [2022-11-03 04:02:47,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:02:47,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:02:47,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:02:47,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:02:47,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:02:47,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/array-fpi/ncomp.c [2022-11-03 04:02:47,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/data/edac5f110/f8fd44c48ebc41cb8b7ae6d95d7c6629/FLAG3a3592699 [2022-11-03 04:02:48,032 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:02:48,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/sv-benchmarks/c/array-fpi/ncomp.c [2022-11-03 04:02:48,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/data/edac5f110/f8fd44c48ebc41cb8b7ae6d95d7c6629/FLAG3a3592699 [2022-11-03 04:02:48,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/data/edac5f110/f8fd44c48ebc41cb8b7ae6d95d7c6629 [2022-11-03 04:02:48,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:02:48,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:02:48,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:02:48,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:02:48,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:02:48,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a721d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48, skipping insertion in model container [2022-11-03 04:02:48,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:02:48,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:02:48,687 WARN L230 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_2eb2d619-5b92-4155-b60f-89dee941c226/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-11-03 04:02:48,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:02:48,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:02:48,774 WARN L230 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_2eb2d619-5b92-4155-b60f-89dee941c226/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-11-03 04:02:48,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:02:48,820 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:02:48,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48 WrapperNode [2022-11-03 04:02:48,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:02:48,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:02:48,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:02:48,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:02:48,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,886 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-03 04:02:48,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:02:48,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:02:48,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:02:48,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:02:48,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,934 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:02:48,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:02:48,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:02:48,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:02:48,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (1/1) ... [2022-11-03 04:02:48,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:02:48,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:48,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:02:48,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:02:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:02:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:02:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:02:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:02:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:02:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:02:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:02:49,139 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:02:49,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:02:49,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:02:49,551 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:02:49,551 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 04:02:49,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:49 BoogieIcfgContainer [2022-11-03 04:02:49,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:02:49,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:02:49,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:02:49,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:02:49,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:02:48" (1/3) ... [2022-11-03 04:02:49,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b20f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:49, skipping insertion in model container [2022-11-03 04:02:49,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:48" (2/3) ... [2022-11-03 04:02:49,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b20f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:49, skipping insertion in model container [2022-11-03 04:02:49,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:49" (3/3) ... [2022-11-03 04:02:49,572 INFO L112 eAbstractionObserver]: Analyzing ICFG ncomp.c [2022-11-03 04:02:49,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:02:49,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:02:49,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:02:49,697 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;@4de1b3a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:02:49,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:02:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) [2022-11-03 04:02:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 04:02:49,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:49,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:49,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:49,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:49,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1654620546, now seen corresponding path program 1 times [2022-11-03 04:02:49,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:49,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796923642] [2022-11-03 04:02:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:49,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:49,873 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:49,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630644554] [2022-11-03 04:02:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:49,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:49,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:49,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:02:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:50,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 04:02:50,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:50,352 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-03 04:02:50,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-03 04:02:50,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:50,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:50,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:50,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:50,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:50,703 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-11-03 04:02:50,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 96 treesize of output 97 [2022-11-03 04:02:50,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:50,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:50,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:50,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:50,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 81 treesize of output 74 [2022-11-03 04:02:50,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:51,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:51,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:51,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:02:51,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:51,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796923642] [2022-11-03 04:02:51,237 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:51,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630644554] [2022-11-03 04:02:51,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630644554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:51,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:51,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:02:51,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112750481] [2022-11-03 04:02:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:51,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:02:51,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:51,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:02:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:02:51,291 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:51,480 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2022-11-03 04:02:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:02:51,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 04:02:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:51,491 INFO L225 Difference]: With dead ends: 37 [2022-11-03 04:02:51,491 INFO L226 Difference]: Without dead ends: 22 [2022-11-03 04:02:51,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:02:51,497 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:51,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:02:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-03 04:02:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2022-11-03 04:02:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2022-11-03 04:02:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2022-11-03 04:02:51,530 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 8 [2022-11-03 04:02:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:51,531 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-03 04:02:51,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-11-03 04:02:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 04:02:51,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:51,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:51,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:02:51,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 04:02:51,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:51,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:51,755 INFO L85 PathProgramCache]: Analyzing trace with hash -421812701, now seen corresponding path program 1 times [2022-11-03 04:02:51,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:51,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793687246] [2022-11-03 04:02:51,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:51,792 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:51,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350841616] [2022-11-03 04:02:51,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:51,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:51,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:02:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:51,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:02:51,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:51,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:02:51,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:51,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793687246] [2022-11-03 04:02:51,934 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:51,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350841616] [2022-11-03 04:02:51,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350841616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:51,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:51,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:02:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133526132] [2022-11-03 04:02:51,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:51,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:02:51,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:51,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:02:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:02:51,938 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:52,014 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2022-11-03 04:02:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:02:52,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 04:02:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:52,016 INFO L225 Difference]: With dead ends: 30 [2022-11-03 04:02:52,017 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 04:02:52,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:02:52,018 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:52,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:02:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 04:02:52,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 17. [2022-11-03 04:02:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 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) [2022-11-03 04:02:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-11-03 04:02:52,024 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2022-11-03 04:02:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:52,024 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-03 04:02:52,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-03 04:02:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 04:02:52,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:52,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:52,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 04:02:52,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 04:02:52,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:52,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:52,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1222239637, now seen corresponding path program 1 times [2022-11-03 04:02:52,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:52,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937058494] [2022-11-03 04:02:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:52,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:52,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443039947] [2022-11-03 04:02:52,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:52,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:52,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:52,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 04:02:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:52,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:02:52,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:52,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:02:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:52,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:52,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937058494] [2022-11-03 04:02:52,404 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:52,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443039947] [2022-11-03 04:02:52,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443039947] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:02:52,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2039734209] [2022-11-03 04:02:52,421 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:02:52,422 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:02:52,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:02:52,431 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:02:52,431 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:02:52,723 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:02:52,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:02:52,912 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:02:52,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:02:53,210 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:02:53,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:02:53,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:02:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:53,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:53,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:53,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,690 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:02:53,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 564 treesize of output 538 [2022-11-03 04:02:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:53,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:53,966 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:02:54,523 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '277#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (<= ~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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:02:54,523 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:02:54,523 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:02:54,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-03 04:02:54,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382998106] [2022-11-03 04:02:54,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:02:54,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:02:54,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:54,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:02:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:02:54,525 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:54,649 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-03 04:02:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 04:02:54,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 04:02:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:54,650 INFO L225 Difference]: With dead ends: 33 [2022-11-03 04:02:54,650 INFO L226 Difference]: Without dead ends: 27 [2022-11-03 04:02:54,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-03 04:02:54,652 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:54,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:02:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-03 04:02:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2022-11-03 04:02:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2022-11-03 04:02:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-03 04:02:54,671 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2022-11-03 04:02:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:54,671 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-03 04:02:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-03 04:02:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 04:02:54,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:54,672 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:54,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:02:54,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:54,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:54,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:54,874 INFO L85 PathProgramCache]: Analyzing trace with hash -533842186, now seen corresponding path program 1 times [2022-11-03 04:02:54,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:54,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475940435] [2022-11-03 04:02:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:54,897 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:54,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24711413] [2022-11-03 04:02:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:54,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:54,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 04:02:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:54,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 04:02:54,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:55,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:02:55,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:55,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475940435] [2022-11-03 04:02:55,039 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:55,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24711413] [2022-11-03 04:02:55,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24711413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:55,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:55,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:02:55,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926349106] [2022-11-03 04:02:55,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:55,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:02:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:02:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:02:55,041 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:55,115 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-03 04:02:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:02:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 04:02:55,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:55,116 INFO L225 Difference]: With dead ends: 29 [2022-11-03 04:02:55,116 INFO L226 Difference]: Without dead ends: 18 [2022-11-03 04:02:55,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:02:55,117 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:55,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:02:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-03 04:02:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2022-11-03 04:02:55,120 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) [2022-11-03 04:02:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-03 04:02:55,121 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 11 [2022-11-03 04:02:55,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:55,121 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-03 04:02:55,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:02:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-03 04:02:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 04:02:55,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:55,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:55,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:02:55,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:55,330 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:55,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1096726144, now seen corresponding path program 1 times [2022-11-03 04:02:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:55,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075828483] [2022-11-03 04:02:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:55,396 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:55,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199375058] [2022-11-03 04:02:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:55,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:55,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:55,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:55,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 04:02:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:55,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-03 04:02:55,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:55,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 12 [2022-11-03 04:02:55,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:55,644 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 04:02:55,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-11-03 04:02:55,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:55,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:02:55,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:55,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:55,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:02:55,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:02:55,959 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_267 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_267) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) c_~N~0)) is different from false [2022-11-03 04:02:55,996 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_267 (Array Int Int)) (v_ArrVal_266 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_266) |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_267) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) c_~N~0)) is different from false [2022-11-03 04:02:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 04:02:56,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:56,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075828483] [2022-11-03 04:02:56,018 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:56,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199375058] [2022-11-03 04:02:56,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199375058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:02:56,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1604058912] [2022-11-03 04:02:56,021 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:02:56,021 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:02:56,021 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:02:56,022 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:02:56,022 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:02:56,307 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:02:56,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:02:56,452 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:02:56,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:02:56,754 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:02:56,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:02:56,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:56,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:02:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,120 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:02:57,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:02:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,285 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:02:57,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,438 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:02:57,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 188 [2022-11-03 04:02:57,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,504 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:02:57,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,529 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:02:57,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:57,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,669 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:02:57,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 183 [2022-11-03 04:02:57,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:57,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:57,748 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:02:57,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:02:57,768 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:02:58,097 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '539#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:02:58,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:02:58,097 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:02:58,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-03 04:02:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331751434] [2022-11-03 04:02:58,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:02:58,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 04:02:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:58,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 04:02:58,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=197, Unknown=2, NotChecked=58, Total=306 [2022-11-03 04:02:58,099 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2022-11-03 04:02:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:58,329 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-03 04:02:58,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:02:58,330 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) Word has length 11 [2022-11-03 04:02:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:58,330 INFO L225 Difference]: With dead ends: 29 [2022-11-03 04:02:58,330 INFO L226 Difference]: Without dead ends: 27 [2022-11-03 04:02:58,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=301, Unknown=2, NotChecked=74, Total=462 [2022-11-03 04:02:58,332 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 34 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:58,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 33 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 58 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2022-11-03 04:02:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-03 04:02:58,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2022-11-03 04:02:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 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) [2022-11-03 04:02:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-03 04:02:58,337 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2022-11-03 04:02:58,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:58,338 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-03 04:02:58,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2022-11-03 04:02:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-03 04:02:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 04:02:58,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:58,339 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:58,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:02:58,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:58,562 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:58,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash -369512678, now seen corresponding path program 2 times [2022-11-03 04:02:58,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:58,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975466239] [2022-11-03 04:02:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:58,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:58,604 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:02:58,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944905587] [2022-11-03 04:02:58,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:02:58,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:58,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:58,606 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:58,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 04:02:58,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 04:02:58,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:02:58,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:02:58,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:02:58,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:02:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:02:58,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:58,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975466239] [2022-11-03 04:02:58,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:02:58,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944905587] [2022-11-03 04:02:58,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944905587] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:02:58,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1254124609] [2022-11-03 04:02:58,806 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:02:58,806 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:02:58,807 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:02:58,807 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:02:58,807 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:02:59,034 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:02:59,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:02:59,155 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:02:59,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:02:59,392 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:02:59,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:02:59,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2022-11-03 04:02:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:59,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:59,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:02:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:59,755 INFO L356 Elim1Store]: treesize reduction 249, result has 12.0 percent of original size [2022-11-03 04:02:59,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 528 treesize of output 544 [2022-11-03 04:03:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,041 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:00,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,178 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:03:00,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 188 [2022-11-03 04:03:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,251 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:00,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,279 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:00,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,413 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:03:00,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 183 [2022-11-03 04:03:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:00,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:00,511 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:00,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:00,529 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:00,877 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '695#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:00,877 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:00,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:00,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-03 04:03:00,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378776880] [2022-11-03 04:03:00,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:00,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 04:03:00,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:00,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 04:03:00,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:03:00,879 INFO L87 Difference]: Start difference. First operand 16 states and 20 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) [2022-11-03 04:03:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:01,023 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-11-03 04:03:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 04:03:01,024 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 12 [2022-11-03 04:03:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:01,024 INFO L225 Difference]: With dead ends: 48 [2022-11-03 04:03:01,025 INFO L226 Difference]: Without dead ends: 37 [2022-11-03 04:03:01,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-03 04:03:01,026 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 26 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:01,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 15 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:03:01,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-03 04:03:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 22. [2022-11-03 04:03:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2022-11-03 04:03:01,032 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 12 [2022-11-03 04:03:01,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:01,033 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-03 04:03:01,033 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) [2022-11-03 04:03:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-03 04:03:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 04:03:01,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:01,034 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:01,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:01,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 04:03:01,246 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash 757463352, now seen corresponding path program 1 times [2022-11-03 04:03:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:01,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170363152] [2022-11-03 04:03:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:01,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:01,295 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:01,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821511887] [2022-11-03 04:03:01,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:01,307 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 04:03:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:01,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-03 04:03:01,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:01,610 INFO L356 Elim1Store]: treesize reduction 34, result has 50.7 percent of original size [2022-11-03 04:03:01,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 542 treesize of output 433 [2022-11-03 04:03:01,954 INFO L356 Elim1Store]: treesize reduction 312, result has 25.9 percent of original size [2022-11-03 04:03:01,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 417 treesize of output 720 [2022-11-03 04:03:01,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-11-03 04:03:02,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:02,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:02,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:02,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:02,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:03,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 64 [2022-11-03 04:03:03,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:03,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:03,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-11-03 04:03:03,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:04,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:04,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:04,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2022-11-03 04:03:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:04,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 116 treesize of output 83 [2022-11-03 04:03:04,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:04,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 23 [2022-11-03 04:03:04,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 401 treesize of output 391 [2022-11-03 04:03:04,590 INFO L356 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-11-03 04:03:04,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 19 [2022-11-03 04:03:04,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:04,815 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:04,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 04:03:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:04,939 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:04,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 35 treesize of output 40 [2022-11-03 04:03:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:05,007 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:05,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 45 treesize of output 42 [2022-11-03 04:03:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:05,114 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:05,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 54 [2022-11-03 04:03:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:05,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:06,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:06,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170363152] [2022-11-03 04:03:06,714 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:06,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821511887] [2022-11-03 04:03:06,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821511887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:06,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1076184700] [2022-11-03 04:03:06,717 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:03:06,717 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:06,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:06,718 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:06,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:06,910 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:06,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:06,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2022-11-03 04:03:06,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2022-11-03 04:03:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2022-11-03 04:03:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,265 INFO L356 Elim1Store]: treesize reduction 249, result has 12.0 percent of original size [2022-11-03 04:03:07,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 520 treesize of output 542 [2022-11-03 04:03:07,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,505 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:07,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:07,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,577 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:07,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,624 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:07,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,644 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:07,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,776 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:03:07,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 183 [2022-11-03 04:03:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:07,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:07,830 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:07,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:07,908 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:08,543 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '913#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 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|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:08,543 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:08,543 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:08,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2022-11-03 04:03:08,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389577997] [2022-11-03 04:03:08,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:08,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 04:03:08,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:08,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 04:03:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-11-03 04:03:08,545 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. Second operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:09,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:09,891 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-03 04:03:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 04:03:09,892 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 04:03:09,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:09,892 INFO L225 Difference]: With dead ends: 40 [2022-11-03 04:03:09,892 INFO L226 Difference]: Without dead ends: 38 [2022-11-03 04:03:09,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:03:09,894 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:09,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 22 Unchecked, 0.4s Time] [2022-11-03 04:03:09,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-03 04:03:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2022-11-03 04:03:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 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) [2022-11-03 04:03:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2022-11-03 04:03:09,906 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 14 [2022-11-03 04:03:09,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:09,906 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2022-11-03 04:03:09,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-03 04:03:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 04:03:09,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:09,907 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:09,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-03 04:03:10,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 04:03:10,110 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1801942402, now seen corresponding path program 3 times [2022-11-03 04:03:10,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:10,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117948492] [2022-11-03 04:03:10,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:10,164 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:10,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120240347] [2022-11-03 04:03:10,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:03:10,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:10,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:10,166 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:10,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 04:03:10,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:03:10,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:03:10,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-03 04:03:10,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:10,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 12 [2022-11-03 04:03:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,639 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 04:03:10,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-11-03 04:03:10,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:03:10,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:03:10,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 79 treesize of output 19 [2022-11-03 04:03:10,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:10,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 04:03:10,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:11,157 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_492 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_492) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-11-03 04:03:11,170 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_492 (Array Int Int))) (= c_~N~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_490) |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_492) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-11-03 04:03:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 4 not checked. [2022-11-03 04:03:11,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:11,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117948492] [2022-11-03 04:03:11,192 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:11,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120240347] [2022-11-03 04:03:11,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120240347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:11,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1516448036] [2022-11-03 04:03:11,195 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:03:11,196 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:11,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:11,197 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:11,197 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:11,402 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:03:11,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:03:11,634 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:11,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:11,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2022-11-03 04:03:11,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:03:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:11,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:11,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:11,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:11,924 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:03:11,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:03:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,094 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:12,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,140 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:12,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,200 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:12,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,222 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:12,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,301 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:12,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:12,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:12,347 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:12,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:12,362 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:12,860 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1138#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:12,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:12,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:12,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2022-11-03 04:03:12,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788987980] [2022-11-03 04:03:12,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:12,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 04:03:12,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:12,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 04:03:12,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=279, Unknown=2, NotChecked=70, Total=420 [2022-11-03 04:03:12,862 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:13,385 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2022-11-03 04:03:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 04:03:13,386 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 04:03:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:13,389 INFO L225 Difference]: With dead ends: 79 [2022-11-03 04:03:13,390 INFO L226 Difference]: Without dead ends: 77 [2022-11-03 04:03:13,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 11 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=659, Unknown=2, NotChecked=110, Total=930 [2022-11-03 04:03:13,397 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 76 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 136 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:13,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 58 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 114 Invalid, 0 Unknown, 136 Unchecked, 0.2s Time] [2022-11-03 04:03:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-03 04:03:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 32. [2022-11-03 04:03:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-11-03 04:03:13,420 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 14 [2022-11-03 04:03:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:13,421 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-11-03 04:03:13,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-11-03 04:03:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 04:03:13,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:13,422 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:13,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:13,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:13,632 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:13,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:13,633 INFO L85 PathProgramCache]: Analyzing trace with hash 171689376, now seen corresponding path program 2 times [2022-11-03 04:03:13,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:13,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101103559] [2022-11-03 04:03:13,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:13,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:13,678 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:13,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728000671] [2022-11-03 04:03:13,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:03:13,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:13,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:13,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 04:03:13,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 04:03:13,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:03:13,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 04:03:13,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 04:03:13,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 04:03:13,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:13,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101103559] [2022-11-03 04:03:13,903 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:13,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728000671] [2022-11-03 04:03:13,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728000671] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:13,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1566192083] [2022-11-03 04:03:13,909 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:03:13,909 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:13,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:13,911 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:13,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:14,013 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:03:14,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:03:14,241 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:03:14,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:03:14,475 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:14,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:14,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:03:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,717 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:03:14,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:03:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,880 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:14,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:14,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:14,966 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:14,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:15,017 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:15,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,039 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:15,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:15,198 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 04:03:15,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 188 [2022-11-03 04:03:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:15,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:15,276 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:15,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:15,389 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:15,979 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1436#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (<= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~b~0#1.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~c~0#1.offset|) (<= 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_main_~i~0#1| ~N~0) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2022-11-03 04:03:15,979 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:15,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:15,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-03 04:03:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298691136] [2022-11-03 04:03:15,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:15,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 04:03:15,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:15,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 04:03:15,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:03:15,982 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2022-11-03 04:03:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:16,185 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2022-11-03 04:03:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:03:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) Word has length 16 [2022-11-03 04:03:16,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:16,187 INFO L225 Difference]: With dead ends: 61 [2022-11-03 04:03:16,187 INFO L226 Difference]: Without dead ends: 47 [2022-11-03 04:03:16,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-03 04:03:16,189 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 27 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:16,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 25 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:03:16,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-03 04:03:16,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2022-11-03 04:03:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-11-03 04:03:16,200 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 16 [2022-11-03 04:03:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:16,201 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-11-03 04:03:16,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2022-11-03 04:03:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-03 04:03:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 04:03:16,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:16,202 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:16,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:16,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:16,418 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:16,419 INFO L85 PathProgramCache]: Analyzing trace with hash 529715266, now seen corresponding path program 4 times [2022-11-03 04:03:16,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:16,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803337308] [2022-11-03 04:03:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:16,453 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580669604] [2022-11-03 04:03:16,454 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:03:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:16,455 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:16,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 04:03:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:16,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 04:03:16,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 04:03:16,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 04:03:16,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:16,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803337308] [2022-11-03 04:03:16,691 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:16,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580669604] [2022-11-03 04:03:16,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580669604] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:16,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [299216673] [2022-11-03 04:03:16,697 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:03:16,697 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:16,698 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:16,698 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:16,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:16,917 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:03:16,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:03:17,030 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:03:17,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:03:17,262 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:17,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2022-11-03 04:03:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,578 INFO L356 Elim1Store]: treesize reduction 249, result has 12.0 percent of original size [2022-11-03 04:03:17,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 528 treesize of output 544 [2022-11-03 04:03:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,777 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:17,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,870 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:17,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,924 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:17,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:17,949 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:17,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:18,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:18,036 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:18,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:18,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:18,084 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:18,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:18,100 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:18,398 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1690#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:18,399 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:18,399 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:18,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-03 04:03:18,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914441962] [2022-11-03 04:03:18,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:18,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 04:03:18,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:18,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 04:03:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-03 04:03:18,401 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) [2022-11-03 04:03:18,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:18,755 INFO L93 Difference]: Finished difference Result 76 states and 90 transitions. [2022-11-03 04:03:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 04:03:18,759 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) Word has length 16 [2022-11-03 04:03:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:18,759 INFO L225 Difference]: With dead ends: 76 [2022-11-03 04:03:18,759 INFO L226 Difference]: Without dead ends: 52 [2022-11-03 04:03:18,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:03:18,761 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 66 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:18,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 36 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 04:03:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-03 04:03:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 28. [2022-11-03 04:03:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2022-11-03 04:03:18,771 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 16 [2022-11-03 04:03:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:18,771 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-03 04:03:18,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) [2022-11-03 04:03:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-03 04:03:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 04:03:18,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:18,772 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:18,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-03 04:03:18,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 04:03:18,986 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:18,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:18,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1125006602, now seen corresponding path program 3 times [2022-11-03 04:03:18,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:18,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271976827] [2022-11-03 04:03:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:19,014 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:19,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625164334] [2022-11-03 04:03:19,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:03:19,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:19,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:19,016 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:19,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-03 04:03:19,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:03:19,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:03:19,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-03 04:03:19,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:19,511 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:19,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 04:03:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 22 [2022-11-03 04:03:19,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:19,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:19,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-11-03 04:03:19,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-11-03 04:03:19,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:03:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:03:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:03:19,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:19,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2022-11-03 04:03:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:19,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:22,996 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_725 (Array Int Int)) (v_ArrVal_729 Int) (v_ArrVal_727 Int)) (= (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_725))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~b~0#1.base|))) (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~b~0#1.base| (store (store .cse1 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_727) (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_729)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (+ c_~N~0 1))) is different from false [2022-11-03 04:03:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-03 04:03:23,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:23,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271976827] [2022-11-03 04:03:23,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:23,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625164334] [2022-11-03 04:03:23,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625164334] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:23,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [296616376] [2022-11-03 04:03:23,023 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:03:23,024 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:23,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:23,024 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:23,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:23,106 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:03:23,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:03:23,321 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:03:23,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:03:23,537 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:23,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:23,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:03:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:23,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:23,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,781 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:03:23,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:03:23,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:23,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,890 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:23,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:23,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:23,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:24,030 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:03:24,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 183 [2022-11-03 04:03:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:24,088 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:24,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:24,141 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:24,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:24,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:24,175 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:24,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:24,240 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:24,916 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2002#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 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|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:24,916 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:24,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:24,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2022-11-03 04:03:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899397287] [2022-11-03 04:03:24,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:24,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 04:03:24,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:24,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 04:03:24,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=602, Unknown=1, NotChecked=50, Total=756 [2022-11-03 04:03:24,918 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:25,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:25,907 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-11-03 04:03:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 04:03:25,908 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 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) Word has length 17 [2022-11-03 04:03:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:25,908 INFO L225 Difference]: With dead ends: 42 [2022-11-03 04:03:25,908 INFO L226 Difference]: Without dead ends: 40 [2022-11-03 04:03:25,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=170, Invalid=941, Unknown=15, NotChecked=64, Total=1190 [2022-11-03 04:03:25,909 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:25,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 54 Unchecked, 0.2s Time] [2022-11-03 04:03:25,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-03 04:03:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 31. [2022-11-03 04:03:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-11-03 04:03:25,923 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 17 [2022-11-03 04:03:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:25,923 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-03 04:03:25,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-03 04:03:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 04:03:25,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:25,924 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:25,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:26,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 04:03:26,130 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:26,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:26,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1378004762, now seen corresponding path program 5 times [2022-11-03 04:03:26,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:26,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3975093] [2022-11-03 04:03:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:26,159 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:26,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473541488] [2022-11-03 04:03:26,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:03:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:26,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-03 04:03:26,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 04:03:26,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:03:26,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:03:26,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:03:26,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:03:26,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:26,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3975093] [2022-11-03 04:03:26,999 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:27,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473541488] [2022-11-03 04:03:27,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473541488] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:27,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [972830389] [2022-11-03 04:03:27,001 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:03:27,002 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:27,002 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:27,002 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:27,002 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:27,188 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:03:27,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:03:27,306 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:03:27,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:03:27,549 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:27,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:27,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:03:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:27,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:27,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,806 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:03:27,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 564 treesize of output 538 [2022-11-03 04:03:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:27,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:27,955 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:27,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,040 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:28,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:28,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,085 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:28,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,108 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:28,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,199 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:03:28,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:03:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:28,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:28,249 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:28,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:28,288 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:28,864 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2263#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:03:28,864 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:28,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:28,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-03 04:03:28,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321118107] [2022-11-03 04:03:28,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:28,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 04:03:28,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:28,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 04:03:28,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-11-03 04:03:28,866 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 15 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) [2022-11-03 04:03:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:29,352 INFO L93 Difference]: Finished difference Result 102 states and 119 transitions. [2022-11-03 04:03:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 04:03:29,353 INFO L78 Accepts]: Start accepts. Automaton has has 15 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) Word has length 18 [2022-11-03 04:03:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:29,353 INFO L225 Difference]: With dead ends: 102 [2022-11-03 04:03:29,353 INFO L226 Difference]: Without dead ends: 87 [2022-11-03 04:03:29,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 24 SyntacticMatches, 10 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 04:03:29,355 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 83 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:29,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 58 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 04:03:29,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-03 04:03:29,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 51. [2022-11-03 04:03:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-03 04:03:29,370 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 18 [2022-11-03 04:03:29,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:29,370 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-03 04:03:29,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 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) [2022-11-03 04:03:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-03 04:03:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 04:03:29,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:29,372 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:29,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:29,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:29,579 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash -597836002, now seen corresponding path program 4 times [2022-11-03 04:03:29,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:29,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987101342] [2022-11-03 04:03:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:29,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:29,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281353196] [2022-11-03 04:03:29,603 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:03:29,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:29,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:29,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:29,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 04:03:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:29,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 04:03:29,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 04:03:29,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:03:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 04:03:29,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:29,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987101342] [2022-11-03 04:03:29,844 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:03:29,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281353196] [2022-11-03 04:03:29,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281353196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:03:29,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [399901046] [2022-11-03 04:03:29,846 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:03:29,846 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:03:29,846 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:03:29,846 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:03:29,847 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:03:30,062 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:03:30,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:03:30,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2022-11-03 04:03:30,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2022-11-03 04:03:30,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:03:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,323 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:03:30,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 564 treesize of output 538 [2022-11-03 04:03:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,477 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:30,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,534 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:30,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,577 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:30,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,600 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:30,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,748 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 04:03:30,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 152 treesize of output 183 [2022-11-03 04:03:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:30,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:30,796 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:30,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:30,896 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:03:31,740 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2659#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (<= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~b~0#1.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~c~0#1.offset|) (<= 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_main_~i~0#1| ~N~0) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2022-11-03 04:03:31,740 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:03:31,740 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:03:31,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-03 04:03:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776631253] [2022-11-03 04:03:31,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:03:31,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 04:03:31,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 04:03:31,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2022-11-03 04:03:31,742 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-03 04:03:32,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:32,050 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2022-11-03 04:03:32,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 04:03:32,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 19 [2022-11-03 04:03:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:32,051 INFO L225 Difference]: With dead ends: 81 [2022-11-03 04:03:32,052 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 04:03:32,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2022-11-03 04:03:32,053 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 21 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:32,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 55 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 04:03:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 04:03:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 46. [2022-11-03 04:03:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:03:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2022-11-03 04:03:32,068 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 19 [2022-11-03 04:03:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:32,068 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2022-11-03 04:03:32,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-03 04:03:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-03 04:03:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:03:32,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:32,070 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:32,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-03 04:03:32,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-03 04:03:32,270 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:32,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:32,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1436741374, now seen corresponding path program 5 times [2022-11-03 04:03:32,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:32,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003844035] [2022-11-03 04:03:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:32,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:03:32,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501169791] [2022-11-03 04:03:32,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:03:32,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:03:32,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:32,315 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:03:32,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 04:03:32,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 04:03:32,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:03:32,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-03 04:03:32,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:03:33,067 INFO L356 Elim1Store]: treesize reduction 34, result has 50.7 percent of original size [2022-11-03 04:03:33,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 266 treesize of output 233 [2022-11-03 04:03:33,446 INFO L356 Elim1Store]: treesize reduction 312, result has 25.9 percent of original size [2022-11-03 04:03:33,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 616 [2022-11-03 04:03:33,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:33,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-11-03 04:03:33,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:33,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:33,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:03:33,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:34,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:34,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 44 [2022-11-03 04:03:36,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1375 treesize of output 1356 [2022-11-03 04:03:36,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:36,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:03:36,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:36,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:03:37,692 INFO L356 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-03 04:03:37,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 529 treesize of output 516 [2022-11-03 04:03:37,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:38,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 656 [2022-11-03 04:03:38,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:38,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:38,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:38,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 374 treesize of output 3542 [2022-11-03 04:03:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:38,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 220 treesize of output 187 [2022-11-03 04:03:38,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:38,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 247 [2022-11-03 04:03:38,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:38,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 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 325 treesize of output 409 [2022-11-03 04:03:39,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 5 [2022-11-03 04:03:39,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 176 [2022-11-03 04:03:39,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 175 treesize of output 51 [2022-11-03 04:03:39,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 04:03:39,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:39,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 180 treesize of output 54 [2022-11-03 04:03:39,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 04:03:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 480 treesize of output 874 [2022-11-03 04:03:39,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:39,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:39,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:03:39,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:39,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:39,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 7 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 746 treesize of output 6996 [2022-11-03 04:03:40,084 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:40,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 04:03:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,323 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:03:40,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 189 [2022-11-03 04:03:40,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 151 treesize of output 233 [2022-11-03 04:03:40,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 56 [2022-11-03 04:03:40,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:40,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:03:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,522 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:03:40,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 54 [2022-11-03 04:03:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:40,665 INFO L356 Elim1Store]: treesize reduction 64, result has 12.3 percent of original size [2022-11-03 04:03:40,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 54 treesize of output 61 [2022-11-03 04:03:40,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:40,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:40,747 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-03 04:03:40,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 73 treesize of output 73 [2022-11-03 04:03:41,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:41,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:41,629 INFO L356 Elim1Store]: treesize reduction 89, result has 16.0 percent of original size [2022-11-03 04:03:41,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 98 treesize of output 89 [2022-11-03 04:03:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:03:41,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:41,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:03:41,765 INFO L356 Elim1Store]: treesize reduction 86, result has 7.5 percent of original size [2022-11-03 04:03:41,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 112 treesize of output 100 [2022-11-03 04:03:42,411 INFO L356 Elim1Store]: treesize reduction 44, result has 22.8 percent of original size [2022-11-03 04:03:42,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 142 treesize of output 74 [2022-11-03 04:03:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:03:42,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:04:22,760 WARN L234 SmtUtils]: Spent 26.32s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:04:59,128 WARN L234 SmtUtils]: Spent 22.69s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:04:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:59,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:59,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003844035] [2022-11-03 04:04:59,208 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:04:59,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501169791] [2022-11-03 04:04:59,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501169791] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:59,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [186595385] [2022-11-03 04:04:59,210 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:04:59,210 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:59,211 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:59,211 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:59,211 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:04:59,350 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:04:59,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:04:59,654 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:04:59,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:04:59,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2022-11-03 04:04:59,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:04:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:59,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:59,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:04:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:59,960 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:04:59,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 564 treesize of output 538 [2022-11-03 04:05:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,143 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:00,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,194 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:00,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,242 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:00,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,271 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:00,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,359 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:05:00,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:05:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:00,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:05:00,413 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:00,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:00,519 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:05:12,490 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3025#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (<= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~b~0#1.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~c~0#1.offset|) (<= 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_main_~i~0#1| ~N~0) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2022-11-03 04:05:12,490 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:05:12,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:05:12,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2022-11-03 04:05:12,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365584083] [2022-11-03 04:05:12,491 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:05:12,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-03 04:05:12,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:12,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-03 04:05:12,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1093, Unknown=4, NotChecked=0, Total=1260 [2022-11-03 04:05:12,492 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:05:36,808 WARN L234 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 256 DAG size of output: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:05:38,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:40,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:42,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:45,933 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-11-03 04:05:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 04:05:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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 [2022-11-03 04:05:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:45,934 INFO L225 Difference]: With dead ends: 52 [2022-11-03 04:05:45,934 INFO L226 Difference]: Without dead ends: 36 [2022-11-03 04:05:45,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 109.5s TimeCoverageRelationStatistics Valid=210, Invalid=1344, Unknown=6, NotChecked=0, Total=1560 [2022-11-03 04:05:45,935 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:45,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 2 Unknown, 40 Unchecked, 8.2s Time] [2022-11-03 04:05:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-03 04:05:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2022-11-03 04:05:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 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) [2022-11-03 04:05:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-03 04:05:45,956 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 20 [2022-11-03 04:05:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:45,956 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-03 04:05:45,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:05:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-03 04:05:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:05:45,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:45,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:45,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-03 04:05:46,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-03 04:05:46,165 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash 789510456, now seen corresponding path program 6 times [2022-11-03 04:05:46,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:46,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315189600] [2022-11-03 04:05:46,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:46,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:46,189 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:05:46,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029118116] [2022-11-03 04:05:46,190 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:05:46,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:05:46,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:05:46,191 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:05:46,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-03 04:05:47,552 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:05:47,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:05:47,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-03 04:05:47,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:05:47,579 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:05:47,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 84 [2022-11-03 04:05:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 22 [2022-11-03 04:05:47,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:47,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:47,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-11-03 04:05:47,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-11-03 04:05:47,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-11-03 04:05:47,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 68 [2022-11-03 04:05:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 77 treesize of output 22 [2022-11-03 04:05:47,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 68 [2022-11-03 04:05:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:05:48,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:05:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-03 04:05:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-11-03 04:05:48,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2022-11-03 04:05:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:48,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2022-11-03 04:05:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:05:48,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:05:59,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 04:05:59,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:59,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315189600] [2022-11-03 04:05:59,740 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:05:59,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029118116] [2022-11-03 04:05:59,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029118116] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:05:59,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [841152828] [2022-11-03 04:05:59,742 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:05:59,742 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:05:59,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:05:59,742 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:05:59,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:05:59,857 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:05:59,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:06:00,103 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:06:00,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:06:00,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2022-11-03 04:06:00,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:06:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,354 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:06:00,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:06:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,520 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:00,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,583 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:00,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,630 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:00,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,653 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:00,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,762 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:06:00,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:06:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:00,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:00,838 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:00,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:00,902 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:06:02,116 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3327#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 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|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:06:02,116 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:06:02,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:06:02,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2022-11-03 04:06:02,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606810421] [2022-11-03 04:06:02,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:06:02,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-03 04:06:02,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-03 04:06:02,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=894, Unknown=18, NotChecked=0, Total=1056 [2022-11-03 04:06:02,119 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:03,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:03,609 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2022-11-03 04:06:03,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 04:06:03,610 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 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 [2022-11-03 04:06:03,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:03,611 INFO L225 Difference]: With dead ends: 49 [2022-11-03 04:06:03,611 INFO L226 Difference]: Without dead ends: 47 [2022-11-03 04:06:03,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=219, Invalid=1243, Unknown=20, NotChecked=0, Total=1482 [2022-11-03 04:06:03,613 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:03,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 69 Unchecked, 0.3s Time] [2022-11-03 04:06:03,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-03 04:06:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2022-11-03 04:06:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2022-11-03 04:06:03,642 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 20 [2022-11-03 04:06:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:03,643 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-11-03 04:06:03,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-03 04:06:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:06:03,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:03,644 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:03,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:03,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:03,858 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:03,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1407990146, now seen corresponding path program 6 times [2022-11-03 04:06:03,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:03,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70269025] [2022-11-03 04:06:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:03,890 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:06:03,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743221478] [2022-11-03 04:06:03,891 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 04:06:03,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:03,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:03,892 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-03 04:06:07,268 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 04:06:07,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:06:07,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-03 04:06:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:07,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 12 [2022-11-03 04:06:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,316 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 04:06:07,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-11-03 04:06:07,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:06:07,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:06:07,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:06:07,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-11-03 04:06:07,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:07,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 04:06:07,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:06:08,953 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1210 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_1210) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-11-03 04:06:08,972 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1206 (Array Int Int)) (v_ArrVal_1210 (Array Int Int))) (= c_~N~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_1206) |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_1210) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))) is different from false [2022-11-03 04:06:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 8 not checked. [2022-11-03 04:06:09,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:09,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70269025] [2022-11-03 04:06:09,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:06:09,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743221478] [2022-11-03 04:06:09,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743221478] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:06:09,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1100696992] [2022-11-03 04:06:09,004 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 04:06:09,004 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:06:09,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:06:09,005 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:06:09,005 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:06:09,244 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:06:09,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:06:09,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2022-11-03 04:06:09,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2022-11-03 04:06:09,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:06:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,513 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:06:09,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:06:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,692 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:09,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,741 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:09,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,785 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:09,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,819 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:09,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:09,934 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:06:09,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:06:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:09,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:10,003 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:10,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:10,062 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:06:10,915 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3639#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:06:10,916 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:06:10,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:06:10,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 23 [2022-11-03 04:06:10,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397033610] [2022-11-03 04:06:10,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:06:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-03 04:06:10,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:10,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-03 04:06:10,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=521, Unknown=2, NotChecked=98, Total=756 [2022-11-03 04:06:10,918 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:11,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:11,825 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2022-11-03 04:06:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 04:06:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 [2022-11-03 04:06:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:11,827 INFO L225 Difference]: With dead ends: 77 [2022-11-03 04:06:11,827 INFO L226 Difference]: Without dead ends: 75 [2022-11-03 04:06:11,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 26 SyntacticMatches, 12 SemanticMatches, 35 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=228, Invalid=968, Unknown=2, NotChecked=134, Total=1332 [2022-11-03 04:06:11,828 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 39 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 148 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:11,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 68 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 142 Invalid, 0 Unknown, 148 Unchecked, 0.5s Time] [2022-11-03 04:06:11,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-03 04:06:11,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 45. [2022-11-03 04:06:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:11,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2022-11-03 04:06:11,855 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 20 [2022-11-03 04:06:11,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:11,856 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2022-11-03 04:06:11,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:06:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2022-11-03 04:06:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 04:06:11,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:11,857 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:11,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:12,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-03 04:06:12,062 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:12,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1070209920, now seen corresponding path program 7 times [2022-11-03 04:06:12,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:12,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330972793] [2022-11-03 04:06:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:12,085 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:06:12,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631560373] [2022-11-03 04:06:12,086 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 04:06:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:12,087 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:12,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-03 04:06:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:13,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-03 04:06:13,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:13,567 INFO L356 Elim1Store]: treesize reduction 34, result has 50.7 percent of original size [2022-11-03 04:06:13,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 542 treesize of output 433 [2022-11-03 04:06:14,012 INFO L356 Elim1Store]: treesize reduction 312, result has 25.9 percent of original size [2022-11-03 04:06:14,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 417 treesize of output 720 [2022-11-03 04:06:14,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-11-03 04:06:14,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:06:14,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:06:14,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:06:14,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:14,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 442 [2022-11-03 04:06:14,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:14,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 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 123 treesize of output 436 [2022-11-03 04:06:15,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2022-11-03 04:06:15,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:15,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:15,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-11-03 04:06:15,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:15,811 INFO L356 Elim1Store]: treesize reduction 50, result has 33.3 percent of original size [2022-11-03 04:06:15,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 337 treesize of output 569 [2022-11-03 04:06:15,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:16,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:16,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:16,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:16,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 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 204 treesize of output 380 [2022-11-03 04:06:16,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 643 treesize of output 648 [2022-11-03 04:06:17,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:06:17,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:06:17,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-03 04:06:17,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:06:17,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:06:17,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,739 INFO L356 Elim1Store]: treesize reduction 46, result has 54.0 percent of original size [2022-11-03 04:06:17,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 151 treesize of output 176 [2022-11-03 04:06:17,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:17,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:17,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:17,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 106 [2022-11-03 04:06:18,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:18,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 285 [2022-11-03 04:06:18,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:18,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:06:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 237 treesize of output 99 [2022-11-03 04:06:18,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:18,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:18,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:18,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 04:06:18,317 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:18,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 04:06:18,518 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:06:18,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 127 [2022-11-03 04:06:18,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 106 treesize of output 188 [2022-11-03 04:06:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 99 [2022-11-03 04:06:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,687 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:18,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 59 [2022-11-03 04:06:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:18,808 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:06:18,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 71 [2022-11-03 04:06:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,105 INFO L356 Elim1Store]: treesize reduction 62, result has 10.1 percent of original size [2022-11-03 04:06:19,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 78 treesize of output 83 [2022-11-03 04:06:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,226 INFO L356 Elim1Store]: treesize reduction 68, result has 9.3 percent of original size [2022-11-03 04:06:19,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 87 treesize of output 95 [2022-11-03 04:06:19,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,405 INFO L356 Elim1Store]: treesize reduction 68, result has 9.3 percent of original size [2022-11-03 04:06:19,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 83 treesize of output 95 [2022-11-03 04:06:19,663 INFO L356 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-03 04:06:19,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 199 treesize of output 178 [2022-11-03 04:06:19,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:06:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 104 [2022-11-03 04:06:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:19,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:19,907 INFO L356 Elim1Store]: treesize reduction 86, result has 7.5 percent of original size [2022-11-03 04:06:19,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 106 treesize of output 107 [2022-11-03 04:06:20,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:20,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:20,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:06:20,062 INFO L356 Elim1Store]: treesize reduction 92, result has 7.1 percent of original size [2022-11-03 04:06:20,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 130 treesize of output 124 [2022-11-03 04:06:20,833 INFO L356 Elim1Store]: treesize reduction 44, result has 22.8 percent of original size [2022-11-03 04:06:20,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 151 treesize of output 75 [2022-11-03 04:06:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:06:20,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:07:42,091 WARN L234 SmtUtils]: Spent 44.08s on a formula simplification. DAG size of input: 178 DAG size of output: 161 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:08:07,365 WARN L234 SmtUtils]: Spent 18.57s on a formula simplification that was a NOOP. DAG size: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:09:40,764 WARN L234 SmtUtils]: Spent 1.26m on a formula simplification that was a NOOP. DAG size: 170 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:09:46,616 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (not (< .cse0 c_~N~0)) (let ((.cse89 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse90 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse91 (mod .cse0 4294967296))) (let ((.cse87 (* 8 .cse91)) (.cse41 (<= .cse91 2147483647)) (.cse21 (<= .cse90 2147483647)) (.cse88 (* .cse90 8)) (.cse86 (* .cse89 8)) (.cse1 (<= .cse89 2147483647)) (.cse85 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse52 (<= .cse85 2147483647)) (.cse20 (not .cse1)) (.cse49 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse38 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (not .cse21)) (.cse40 (not .cse41)) (.cse39 (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (+ c_~N~0 8)) (.cse14 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse51 (* 8 .cse85))) (and (or (let ((.cse50 (select .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse51)))) (let ((.cse19 (+ 12 .cse50)) (.cse15 (+ 6 .cse50))) (and (or .cse1 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse10 (store (store (store .cse13 .cse14 .cse15) .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10))) (let ((.cse9 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse3 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse4 (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse9 .cse7 (+ (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse3)) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse2 (select .cse5 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse2 .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse5 .cse6 (+ .cse2 .cse3))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))))))) .cse18) (not (<= .cse19 v_ArrVal_1317))))) (or .cse20 (let ((.cse29 (store .cse13 .cse49 .cse15))) (and (or .cse21 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (= (let ((.cse28 (store (store .cse29 .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (let ((.cse27 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse24 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse22 (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse27 .cse7 (+ (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse24)) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse23 (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse25 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse23 .cse6 (+ .cse24 .cse25))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse24 .cse25)))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (not (<= .cse19 v_ArrVal_1317))))) (or .cse30 (and (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (= (let ((.cse37 (store (store .cse29 .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse32 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse33 (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse36 .cse7 (+ .cse32 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse31 (select .cse34 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse6 (+ .cse31 .cse32))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (not (<= .cse19 v_ArrVal_1317)))) .cse40) (or .cse41 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= .cse18 (let ((.cse48 (store (store .cse29 .cse38 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48))) (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse45 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse42 (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse47 .cse7 (+ (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse45)) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse43 .cse6 (+ .cse44 .cse45))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse44 .cse45))))))))) (not (<= .cse19 v_ArrVal_1317))))))))))))) (not .cse52)) (or .cse52 (let ((.cse84 (select .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse51)))) (let ((.cse53 (+ .cse84 12)) (.cse61 (+ .cse84 6))) (and (or .cse20 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (= (let ((.cse60 (store (store (store .cse13 .cse49 .cse61) .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse55 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse56 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse59 .cse7 (+ .cse55 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse57 (select .cse56 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse54 (select .cse57 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse54 .cse55 (select (select (store .cse56 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse57 .cse6 (+ .cse54 .cse55))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319))))) (or .cse1 (let ((.cse69 (store .cse13 .cse14 .cse61))) (and (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse68 (store (store .cse69 .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse63 (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse64 (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse67 .cse7 (+ (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse63)) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse65 (select .cse64 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse62 (select .cse65 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse62 .cse63 (select (select (store .cse64 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse65 .cse6 (+ .cse62 .cse63))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))))))) .cse18))) .cse30) (or .cse21 (and (or .cse40 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse76 (store (store .cse69 .cse16 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse76))) (let ((.cse75 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse72 (store .cse74 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse75 .cse7 (+ (select .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse71)) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse70 (select .cse73 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse70 .cse71 (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse73 .cse6 (+ .cse70 .cse71))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))))))) .cse18)))) (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse83 (store (store .cse69 .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse83))) (let ((.cse82 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse80 (select .cse82 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse82 .cse7 (+ .cse80 (select .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse11 v_ArrVal_1323) .cse12 v_ArrVal_1325)))) (let ((.cse79 (select .cse78 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse77 (select .cse79 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse79 .cse6 (+ .cse77 .cse80))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse80)))))))) .cse18))) .cse41)))))))))))))) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) is different from true [2022-11-03 04:09:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 20 refuted. 2 times theorem prover too weak. 0 trivial. 3 not checked. [2022-11-03 04:09:46,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:46,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330972793] [2022-11-03 04:09:46,661 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:09:46,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631560373] [2022-11-03 04:09:46,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631560373] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:09:46,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1781588110] [2022-11-03 04:09:46,663 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:09:46,663 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:09:46,663 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:09:46,664 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:09:46,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:09:46,782 INFO L356 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2022-11-03 04:09:46,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2022-11-03 04:09:47,119 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:09:47,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:09:47,394 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:09:47,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:09:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2022-11-03 04:09:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:47,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:47,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:47,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,753 INFO L356 Elim1Store]: treesize reduction 249, result has 12.0 percent of original size [2022-11-03 04:09:47,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 526 treesize of output 544 [2022-11-03 04:09:47,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:47,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:47,997 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:09:47,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,045 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:09:48,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,092 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:09:48,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:48,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,114 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:09:48,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:48,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,218 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:09:48,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:09:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:48,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:09:48,292 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:09:48,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:09:48,378 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:10:10,721 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4035#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 0)) (<= ~N~0 2147483647) (<= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~b~0#1.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~c~0#1.offset|) (<= 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_main_~i~0#1| ~N~0) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0))' at error location [2022-11-03 04:10:10,721 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:10:10,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:10:10,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2022-11-03 04:10:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793234471] [2022-11-03 04:10:10,722 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:10:10,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-03 04:10:10,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:10,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-03 04:10:10,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1225, Unknown=14, NotChecked=72, Total=1482 [2022-11-03 04:10:10,724 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:10:12,786 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (= c_~N~0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 6 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)) (let ((.cse1 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (not (< .cse1 c_~N~0)) (let ((.cse89 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse90 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse91 (mod .cse1 4294967296))) (let ((.cse87 (* 8 .cse91)) (.cse41 (<= .cse91 2147483647)) (.cse21 (<= .cse90 2147483647)) (.cse88 (* .cse90 8)) (.cse86 (* .cse89 8)) (.cse2 (<= .cse89 2147483647)) (.cse85 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse52 (<= .cse85 2147483647)) (.cse20 (not .cse2)) (.cse49 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse38 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (not .cse21)) (.cse40 (not .cse41)) (.cse39 (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse17 (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (+ c_~N~0 8)) (.cse14 (+ .cse86 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse51 (* 8 .cse85))) (and (or (let ((.cse50 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse51)))) (let ((.cse19 (+ 12 .cse50)) (.cse15 (+ 6 .cse50))) (and (or .cse2 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse11 (store (store (store .cse0 .cse14 .cse15) .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11))) (let ((.cse10 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse4 (select .cse10 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (store .cse9 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse10 .cse8 (+ (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse4)) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse3 (select .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse3 .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse6 .cse7 (+ .cse3 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))))))))) .cse18) (not (<= .cse19 v_ArrVal_1317))))) (or .cse20 (let ((.cse29 (store .cse0 .cse49 .cse15))) (and (or .cse21 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (= (let ((.cse28 (store (store .cse29 .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (let ((.cse27 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse24 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse22 (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse27 .cse8 (+ (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse24)) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse23 (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse25 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse23 .cse7 (+ .cse24 .cse25))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8) .cse24 .cse25)))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (not (<= .cse19 v_ArrVal_1317))))) (or .cse30 (and (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (= (let ((.cse37 (store (store .cse29 .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse32 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse33 (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse36 .cse8 (+ .cse32 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse31 (select .cse34 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse7 (+ .cse31 .cse32))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (not (<= .cse19 v_ArrVal_1317)))) .cse40) (or .cse41 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= .cse18 (let ((.cse48 (store (store .cse29 .cse38 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48))) (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse45 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse42 (store .cse46 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse47 .cse8 (+ (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse45)) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse43 .cse7 (+ .cse44 .cse45))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8) .cse44 .cse45))))))))) (not (<= .cse19 v_ArrVal_1317))))))))))))) (not .cse52)) (or .cse52 (let ((.cse84 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse51)))) (let ((.cse53 (+ .cse84 12)) (.cse61 (+ .cse84 6))) (and (or .cse20 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (= (let ((.cse60 (store (store (store .cse0 .cse49 .cse61) .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse55 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse56 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse59 .cse8 (+ .cse55 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse57 (select .cse56 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse54 (select .cse57 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse54 .cse55 (select (select (store .cse56 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse57 .cse7 (+ .cse54 .cse55))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))))))))) .cse18) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319))))) (or .cse2 (let ((.cse69 (store .cse0 .cse14 .cse61))) (and (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse68 (store (store .cse69 .cse38 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse63 (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse64 (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse67 .cse8 (+ (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse63)) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse65 (select .cse64 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse62 (select .cse65 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse62 .cse63 (select (select (store .cse64 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse65 .cse7 (+ .cse62 .cse63))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))))))))) .cse18))) .cse30) (or .cse21 (and (or .cse40 (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse76 (store (store .cse69 .cse16 v_ArrVal_1317) .cse39 v_ArrVal_1319))) (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse76))) (let ((.cse75 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse72 (store .cse74 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse75 .cse8 (+ (select .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse71)) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse70 (select .cse73 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse70 .cse71 (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse73 .cse7 (+ .cse70 .cse71))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))))))))) .cse18)))) (or (forall ((v_ArrVal_1319 Int) (v_ArrVal_1323 Int) (v_ArrVal_1325 Int) (v_ArrVal_1317 Int)) (or (not (<= .cse53 v_ArrVal_1317)) (not (<= (+ 6 v_ArrVal_1317) v_ArrVal_1319)) (= (let ((.cse83 (store (store .cse69 .cse16 v_ArrVal_1317) .cse17 v_ArrVal_1319))) (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse83))) (let ((.cse82 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse80 (select .cse82 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (store .cse82 .cse8 (+ .cse80 (select .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse12 v_ArrVal_1323) .cse13 v_ArrVal_1325)))) (let ((.cse79 (select .cse78 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse77 (select .cse79 |c_ULTIMATE.start_main_~c~0#1.offset|))) (+ .cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse79 .cse7 (+ .cse77 .cse80))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8) .cse80)))))))) .cse18))) .cse41)))))))))))))) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) (not (= |c_ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-03 04:10:36,188 WARN L234 SmtUtils]: Spent 19.56s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:10:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:50,338 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2022-11-03 04:10:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-03 04:10:50,339 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 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 23 [2022-11-03 04:10:50,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:50,340 INFO L225 Difference]: With dead ends: 76 [2022-11-03 04:10:50,340 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 04:10:50,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 21 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 260.9s TimeCoverageRelationStatistics Valid=234, Invalid=1563, Unknown=17, NotChecked=166, Total=1980 [2022-11-03 04:10:50,341 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:50,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 102 Unchecked, 0.3s Time] [2022-11-03 04:10:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 04:10:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 58. [2022-11-03 04:10:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:10:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-11-03 04:10:50,374 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 23 [2022-11-03 04:10:50,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:50,375 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-11-03 04:10:50,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:10:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-11-03 04:10:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 04:10:50,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:50,376 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:50,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-03 04:10:50,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 04:10:50,585 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:10:50,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:50,585 INFO L85 PathProgramCache]: Analyzing trace with hash 788954870, now seen corresponding path program 8 times [2022-11-03 04:10:50,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:50,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427134162] [2022-11-03 04:10:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:50,613 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 04:10:50,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38427861] [2022-11-03 04:10:50,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 04:10:50,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:10:50,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:10:50,615 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:10:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb2d619-5b92-4155-b60f-89dee941c226/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-03 04:10:53,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 04:10:53,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 04:10:53,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 100 conjunts are in the unsatisfiable core [2022-11-03 04:10:53,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:10:53,844 INFO L356 Elim1Store]: treesize reduction 34, result has 50.7 percent of original size [2022-11-03 04:10:53,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 266 treesize of output 233 [2022-11-03 04:10:54,282 INFO L356 Elim1Store]: treesize reduction 312, result has 25.9 percent of original size [2022-11-03 04:10:54,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 616 [2022-11-03 04:10:54,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:10:54,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:10:54,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-11-03 04:10:54,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:54,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:10:54,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:54,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,033 INFO L356 Elim1Store]: treesize reduction 61, result has 11.6 percent of original size [2022-11-03 04:10:55,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 11 case distinctions, treesize of input 157 treesize of output 476 [2022-11-03 04:10:55,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 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 130 treesize of output 441 [2022-11-03 04:10:55,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:55,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 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 123 treesize of output 436 [2022-11-03 04:10:56,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:56,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-03 04:10:57,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 64 [2022-11-03 04:10:58,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1713 treesize of output 1602 [2022-11-03 04:10:59,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:10:59,690 INFO L356 Elim1Store]: treesize reduction 24, result has 25.0 percent of original size [2022-11-03 04:10:59,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 481 treesize of output 404 [2022-11-03 04:10:59,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:59,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:59,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:59,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:59,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:10:59,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:00,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:00,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:00,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 121 treesize of output 67 [2022-11-03 04:11:00,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:00,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:00,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:00,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 96 treesize of output 50 [2022-11-03 04:11:00,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:00,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 20 [2022-11-03 04:11:00,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:00,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:01,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 248 treesize of output 227 [2022-11-03 04:11:01,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 23 [2022-11-03 04:11:01,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 23 [2022-11-03 04:11:01,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 04:11:01,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 10 [2022-11-03 04:11:01,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 10 [2022-11-03 04:11:01,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 80 treesize of output 99 [2022-11-03 04:11:01,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:01,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2022-11-03 04:11:02,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:02,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2022-11-03 04:11:02,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:02,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:11:02,093 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:02,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 04:11:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:02,695 INFO L356 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2022-11-03 04:11:02,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 900 treesize of output 845 [2022-11-03 04:11:02,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:02,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 845 treesize of output 918 [2022-11-03 04:11:02,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 818 treesize of output 816 [2022-11-03 04:11:02,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 816 treesize of output 814 [2022-11-03 04:11:02,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 814 treesize of output 812 [2022-11-03 04:11:02,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 812 treesize of output 810 [2022-11-03 04:11:02,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 810 treesize of output 808 [2022-11-03 04:11:02,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 808 treesize of output 806 [2022-11-03 04:11:02,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 806 treesize of output 804 [2022-11-03 04:11:02,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 804 treesize of output 802 [2022-11-03 04:11:02,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:02,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 150 treesize of output 109 [2022-11-03 04:11:03,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 04:11:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 214 treesize of output 183 [2022-11-03 04:11:03,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-03 04:11:03,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 142 treesize of output 134 [2022-11-03 04:11:03,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 50 [2022-11-03 04:11:03,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-03 04:11:03,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-03 04:11:03,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:03,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 14 [2022-11-03 04:11:03,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:11:03,464 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 04:11:03,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 78 [2022-11-03 04:11:03,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:11:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,608 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:03,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 35 treesize of output 40 [2022-11-03 04:11:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,717 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:11:03,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 35 treesize of output 40 [2022-11-03 04:11:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:03,888 INFO L356 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2022-11-03 04:11:03,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 45 treesize of output 49 [2022-11-03 04:11:04,031 INFO L356 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-03 04:11:04,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 106 treesize of output 97 [2022-11-03 04:11:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 83 treesize of output 144 [2022-11-03 04:11:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 44 [2022-11-03 04:11:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,200 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 04:11:04,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 50 treesize of output 54 [2022-11-03 04:11:04,374 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 04:11:04,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 85 [2022-11-03 04:11:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,411 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-03 04:11:04,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-11-03 04:11:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:04,519 INFO L356 Elim1Store]: treesize reduction 54, result has 37.9 percent of original size [2022-11-03 04:11:04,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 52 [2022-11-03 04:11:05,046 INFO L356 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-03 04:11:05,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 161 treesize of output 150 [2022-11-03 04:11:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 128 treesize of output 210 [2022-11-03 04:11:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:05,264 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 04:11:05,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 case distinctions, treesize of input 61 treesize of output 64 [2022-11-03 04:11:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:11:05,414 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 04:11:05,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 case distinctions, treesize of input 61 treesize of output 66 [2022-11-03 04:11:05,669 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 04:11:05,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 102 [2022-11-03 04:11:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:05,704 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-11-03 04:11:05,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 125 [2022-11-03 04:11:05,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 14 [2022-11-03 04:11:12,655 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-03 04:11:12,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 337 treesize of output 303 [2022-11-03 04:11:12,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 263 treesize of output 243 [2022-11-03 04:11:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:11:12,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:11:23,534 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:11:44,238 WARN L234 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 67 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:12:05,554 WARN L234 SmtUtils]: Spent 16.51s on a formula simplification. DAG size of input: 74 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:13:25,415 WARN L234 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 134 DAG size of output: 101 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:13:58,796 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:13,127 WARN L234 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:06,196 WARN L234 SmtUtils]: Spent 33.25s on a formula simplification that was a NOOP. DAG size: 236 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:16,423 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse79 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse80 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse78 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse74 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse75 (* .cse78 8)) (.cse18 (<= .cse80 2147483647)) (.cse77 (* .cse80 8)) (.cse76 (* 8 .cse79)) (.cse28 (<= .cse79 2147483647)) (.cse44 (<= .cse78 2147483647))) (let ((.cse1 (not .cse44)) (.cse29 (not .cse28)) (.cse7 (+ .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse36 (not .cse18)) (.cse16 (+ .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse77 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse10 (+ c_~N~0 1)) (.cse43 (+ .cse75 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse45 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse46 (* 8 .cse74)) (.cse0 (<= .cse74 2147483647))) (and (or .cse0 (let ((.cse17 (+ (select .cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse46)) (select .cse15 (+ (- 34359738368) .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse1 (let ((.cse5 (store .cse15 .cse16 .cse17))) (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse11 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse4 (store (store (store .cse5 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse2 .cse3 (+ (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11 1) c_~N~0)))) (not (< v_subst_3 c_~N~0)) (< (+ v_subst_3 1) c_~N~0))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (not (< v_subst_4 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse12 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store (store (let ((.cse14 (store (store (store .cse5 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse13 .cse3 (+ (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse13 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse12 1) c_~N~0))))))))) (or (let ((.cse21 (store .cse15 .cse43 .cse17))) (and (or .cse18 (and (or (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse24 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse20 (store (store (store .cse21 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse19 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse19 .cse3 (+ (select .cse19 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24 1) c_~N~0)))) (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse27 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse26 (store (store (store .cse21 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse25 .cse3 (+ (select .cse25 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse27 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0)))) .cse28) (or .cse29 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse32 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse31 (store (store (store .cse21 .cse22 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse30 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse30 .cse3 (+ (select .cse30 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse32 1) c_~N~0)))) (not (< v_subst_4 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse35 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse34 (store (store (store .cse21 .cse22 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse33 .cse3 (+ (select .cse33 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse35)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse35 1) c_~N~0)))) (< (+ v_subst_3 1) c_~N~0))))))) (or .cse36 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (not (< v_subst_4 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse39 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse38 (store (store (store .cse21 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse37 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse38) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse37 .cse3 (+ (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse37 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse39)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse39 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse40 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40 1) c_~N~0) (= .cse10 (select (store (store (store (let ((.cse42 (store (store (store .cse21 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse41 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse41 .cse3 (+ (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse41 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3))))) (< (+ v_subst_3 1) c_~N~0))))))) .cse44)))) (or (let ((.cse66 (+ (select .cse15 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse46))))) (and (or .cse1 (let ((.cse49 (store .cse15 .cse16 .cse66))) (and (or .cse18 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse50 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse48 (store (store (store .cse49 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse47 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse47 .cse3 (+ (select .cse47 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse50)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse50 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse53 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse52 (store (store (store .cse49 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse51 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse51 .cse3 (+ (select .cse51 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse53)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse53 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0))))) (or (and (or .cse29 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse56 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse55 (store (store (store .cse49 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse54 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse54 .cse3 (+ (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse54 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse56)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse56 1) c_~N~0)))) (not (< v_subst_4 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse57 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57)) (= (select (store (store (store (let ((.cse59 (store (store (store .cse49 .cse6 v_ArrVal_1452) .cse7 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse58 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse58 .cse3 (+ (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse58 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57 1) c_~N~0)))) (< (+ v_subst_3 1) c_~N~0))))) (or (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse60 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse60)) (= (select (store (store (store (let ((.cse62 (store (store (store .cse49 .cse6 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse61 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse61 .cse3 (+ (select .cse61 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse60 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse65 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse64 (store (store (store .cse49 .cse6 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse63 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse63 .cse3 (+ (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse63 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65 1) c_~N~0))))))) .cse28)) .cse36)))) (or (let ((.cse69 (store .cse15 .cse43 .cse66))) (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse70 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse68 (store (store (store .cse69 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse67 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse67 .cse3 (+ (select .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse67 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse10) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse70)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse70 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (< (+ v_subst_1 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse73 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse72 (store (store (store .cse69 .cse22 v_ArrVal_1452) .cse23 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse71 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse71 .cse3 (+ (select .cse71 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8 v_ArrVal_1460) .cse9 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse10) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse73)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse73 1) c_~N~0)))))))) .cse44))) (not .cse0)))))) (not (< 1 c_~N~0))) is different from true [2022-11-03 04:15:55,230 WARN L234 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 129 DAG size of output: 125 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:27,150 WARN L234 SmtUtils]: Spent 24.54s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:34,290 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (not (< 1 c_~N~0)) (not (< .cse0 c_~N~0)) (let ((.cse58 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse19 (<= .cse58 2147483647)) (.cse57 (* .cse58 8)) (.cse56 (* 8 (mod .cse0 4294967296))) (.cse55 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse55 2147483647)) (.cse15 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse26 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse18 (+ c_~N~0 1)) (.cse27 (not .cse19)) (.cse35 (* .cse55 8))) (and (or (not .cse1) (let ((.cse14 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (= (select (store (store (store (let ((.cse9 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (let ((.cse5 (store (store (store (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse7 .cse8 (+ (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse3 (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse3 .cse4 (+ (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0)))) .cse19) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse20 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0) (= (select (store (store (store (let ((.cse25 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse22 (store (store (store (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse24 .cse8 (+ (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse21 (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse21 .cse4 (+ (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18)))) .cse27) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse32 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (store (store (store (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse31 .cse8 (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse28 (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse28 .cse4 (+ (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse28 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34 1) c_~N~0))))))) (or .cse1 (let ((.cse41 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse42 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse40 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40))) (let ((.cse37 (store (store (store (let ((.cse39 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse39 .cse8 (+ (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse36 (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse36 .cse4 (+ (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0)))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse48 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse47 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse45 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (let ((.cse44 (store (store (store (let ((.cse46 (select .cse45 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse46 .cse8 (+ (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse43 (select (store .cse45 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse43 .cse4 (+ (select .cse43 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse48)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse48 1) c_~N~0)))) .cse19) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse54 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse53 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse50 (store (store (store (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse52 .cse8 (+ (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse49 (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse49 .cse4 (+ (select .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse49 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse54)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse54 1) c_~N~0)))) .cse27)))))))) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) is different from true [2022-11-03 04:16:46,337 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse76 (+ 3 |c_ULTIMATE.start_main_~i~0#1|))) (or (let ((.cse74 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse75 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse71 (* (mod .cse76 4294967296) 8)) (.cse25 (<= .cse75 2147483647)) (.cse27 (<= .cse74 2147483647)) (.cse72 (* 8 .cse75)) (.cse73 (* .cse74 8)) (.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse44 (<= .cse70 2147483647)) (.cse12 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse35 (not .cse27)) (.cse26 (not .cse25)) (.cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse71)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse41 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse71)) (.cse15 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse0 (+ c_~N~0 1)) (.cse43 (* .cse70 8))) (and (or (let ((.cse11 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse17 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= .cse0 (select (store (store (store (let ((.cse7 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7))) (let ((.cse3 (store (store (store (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse5 .cse6 (+ (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse1 (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse1 .cse2 (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2)) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse24 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse22 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22))) (let ((.cse19 (store (store (store (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse21 .cse6 (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse18 (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse18 .cse2 (+ (select .cse18 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))) .cse25) (or .cse26 (and (or .cse27 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (= (select (store (store (store (let ((.cse32 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (store (store (store (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse31 .cse6 (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse28 (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse28 .cse2 (+ (select .cse28 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))) (or .cse35 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse42 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse40 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40))) (let ((.cse37 (store (store (store (let ((.cse39 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse39 .cse6 (+ (select .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse36 (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse36 .cse2 (+ (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))))))) .cse44) (or (not .cse44) (let ((.cse50 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (or .cse27 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse51 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse49 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse49))) (let ((.cse46 (store (store (store (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse48 .cse6 (+ (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse49 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse45 (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse46) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse45 .cse2 (+ (select .cse45 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse51)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse51 1) c_~N~0))))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse57 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse56 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (let ((.cse53 (store (store (store (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse55 .cse6 (+ (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse52 (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse52 .cse2 (+ (select .cse52 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57 1) c_~N~0)))) .cse35)) .cse25) (or .cse26 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse58 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse58)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse58 1) c_~N~0) (= (select (store (store (store (let ((.cse63 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse63))) (let ((.cse60 (store (store (store (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse62 .cse6 (+ (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse59 (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| .cse60) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse59 .cse2 (+ (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse59 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (< (+ v_subst_3 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse69 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse68 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse65 (store (store (store (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse67 .cse6 (+ (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse64 (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse64 .cse2 (+ (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse64 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse69)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse69 1) c_~N~0))))))))))))) (not (< 1 c_~N~0)) (not (< .cse76 c_~N~0)) (< (+ |c_ULTIMATE.start_main_~i~0#1| 4) c_~N~0))) is different from true [2022-11-03 04:16:46,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:46,466 INFO L356 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-03 04:16:46,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 1501 treesize of output 1 [2022-11-03 04:16:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 19 refuted. 2 times theorem prover too weak. 0 trivial. 11 not checked. [2022-11-03 04:16:46,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:16:46,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427134162] [2022-11-03 04:16:46,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 04:16:46,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38427861] [2022-11-03 04:16:46,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38427861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:16:46,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [140381286] [2022-11-03 04:16:46,473 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 04:16:46,473 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:16:46,474 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:16:46,474 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:16:46,474 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:16:46,822 INFO L356 Elim1Store]: treesize reduction 209, result has 23.4 percent of original size [2022-11-03 04:16:46,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 82 [2022-11-03 04:16:47,123 INFO L356 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2022-11-03 04:16:47,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2022-11-03 04:16:47,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2022-11-03 04:16:47,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2022-11-03 04:16:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,421 INFO L356 Elim1Store]: treesize reduction 316, result has 0.3 percent of original size [2022-11-03 04:16:47,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 593 treesize of output 540 [2022-11-03 04:16:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,580 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:16:47,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,633 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:16:47,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,680 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:16:47,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,704 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:16:47,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,816 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 04:16:47,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 216 treesize of output 197 [2022-11-03 04:16:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:47,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 04:16:47,883 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 04:16:47,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 04:16:47,963 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:17:11,750 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4460#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (+ ~N~0 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) |ULTIMATE.start_main_#t~mem17#1|) 1 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|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= |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) (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~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~mem17#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-03 04:17:11,751 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:17:11,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:17:11,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2022-11-03 04:17:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463733102] [2022-11-03 04:17:11,751 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 04:17:11,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-03 04:17:11,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:17:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-03 04:17:11,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1362, Unknown=55, NotChecked=240, Total=1892 [2022-11-03 04:17:11,753 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 38 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:17:13,830 WARN L855 $PredicateComparison]: unable to prove that (and (not (<= c_~N~0 0)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse76 (+ 3 |c_ULTIMATE.start_main_~i~0#1|))) (or (let ((.cse74 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse75 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse71 (* (mod .cse76 4294967296) 8)) (.cse25 (<= .cse75 2147483647)) (.cse27 (<= .cse74 2147483647)) (.cse72 (* 8 .cse75)) (.cse73 (* .cse74 8)) (.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse44 (<= .cse70 2147483647)) (.cse12 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse35 (not .cse27)) (.cse26 (not .cse25)) (.cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse71)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse41 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse71)) (.cse15 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse16 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse0 (+ c_~N~0 1)) (.cse43 (* .cse70 8))) (and (or (let ((.cse11 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse17 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= .cse0 (select (store (store (store (let ((.cse7 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7))) (let ((.cse3 (store (store (store (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse5 .cse6 (+ (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse1 (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse1 .cse2 (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2)) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse17 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse24 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse22 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22))) (let ((.cse19 (store (store (store (let ((.cse21 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse21 .cse6 (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse18 (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse18 .cse2 (+ (select .cse18 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse24 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))) .cse25) (or .cse26 (and (or .cse27 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (= (select (store (store (store (let ((.cse32 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (store (store (store (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse31 .cse6 (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse28 (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse28 .cse2 (+ (select .cse28 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))) (or .cse35 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse42 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse40 (store (store (store (store .cse10 .cse11 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40))) (let ((.cse37 (store (store (store (let ((.cse39 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse39 .cse6 (+ (select .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse36 (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse36 .cse2 (+ (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0))))))))) .cse44) (or (not .cse44) (let ((.cse50 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (and (or .cse27 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse51 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse49 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse12 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse49))) (let ((.cse46 (store (store (store (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse48 .cse6 (+ (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse49 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse45 (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse46) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse45 .cse2 (+ (select .cse45 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse51)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse51 1) c_~N~0))))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse57 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse56 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse13 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (let ((.cse53 (store (store (store (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse55 .cse6 (+ (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse52 (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse52 .cse2 (+ (select .cse52 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57 1) c_~N~0)))) .cse35)) .cse25) (or .cse26 (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse58 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse58)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse58 1) c_~N~0) (= (select (store (store (store (let ((.cse63 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse23 v_ArrVal_1447))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse63))) (let ((.cse60 (store (store (store (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse62 .cse6 (+ (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse59 (select (store .cse61 |c_ULTIMATE.start_main_~b~0#1.base| .cse60) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse59 .cse2 (+ (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse59 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse2) .cse0) (< (+ v_subst_3 1) c_~N~0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1442 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse69 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse68 (store (store (store (store .cse10 .cse50 v_ArrVal_1442) .cse41 v_ArrVal_1444) .cse33 v_ArrVal_1445) .cse14 v_ArrVal_1447))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (let ((.cse65 (store (store (store (let ((.cse67 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse67 .cse6 (+ (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse64 (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse64 .cse2 (+ (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse64 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse15 v_ArrVal_1460) .cse16 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse2) .cse0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse69)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse69 1) c_~N~0))))))))))))) (not (< 1 c_~N~0)) (not (< .cse76 c_~N~0)) (< (+ |c_ULTIMATE.start_main_~i~0#1| 4) c_~N~0))) (not (= |c_ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (let ((.cse85 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse98 (select .cse85 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse97 (select .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse92 (= .cse97 c_~N~0)) (.cse86 (= c_~N~0 .cse98)) (.cse83 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (or (and (exists ((v_DerPreprocessor_141 Int) (v_DerPreprocessor_142 Int) (v_prenex_498 (Array Int Int)) (v_prenex_499 (Array Int Int)) (v_prenex_500 (Array Int Int)) (v_prenex_413 (Array Int Int)) (v_prenex_501 (Array Int Int)) (v_prenex_414 (Array Int Int))) (let ((.cse84 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_500) |c_ULTIMATE.start_main_~c~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_500) |c_ULTIMATE.start_main_~c~0#1.base| .cse85))) (let ((.cse80 (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse77 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse78 (select (store (store .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| v_DerPreprocessor_141) |c_ULTIMATE.start_main_~c~0#1.offset| v_DerPreprocessor_142) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse81 (select .cse84 |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse82 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_498) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_499) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_498) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_499)) (.cse79 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (= c_~N~0 (select v_prenex_414 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select .cse77 |c_ULTIMATE.start_main_~a~0#1.offset|) 6) (= c_~N~0 .cse78) (= (store (store .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| .cse79) |c_ULTIMATE.start_main_~b~0#1.offset| (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|)) .cse80) (= .cse78 v_DerPreprocessor_141) (= (select .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= (select (store (store (store (store .cse82 |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_501) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_499) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_501) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_499) |c_ULTIMATE.start_main_~b~0#1.base|) .cse80) (= (select v_prenex_499 |c_ULTIMATE.start_main_~c~0#1.offset|) c_~N~0) (= .cse81 (select .cse82 |c_ULTIMATE.start_main_~b~0#1.base|)) (= .cse79 1) (= .cse83 .cse80)))))) .cse86) (and (exists ((v_prenex_503 (Array Int Int)) (v_prenex_504 (Array Int Int)) (v_prenex_505 (Array Int Int)) (v_prenex_413 (Array Int Int)) (v_prenex_502 (Array Int Int)) (v_prenex_414 (Array Int Int))) (let ((.cse89 (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse91 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_504) |c_ULTIMATE.start_main_~c~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_504) |c_ULTIMATE.start_main_~c~0#1.base| .cse85))) (let ((.cse88 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_502) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_503) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_502) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_503)) (.cse87 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse90 (select .cse89 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (= .cse87 (select .cse88 |c_ULTIMATE.start_main_~b~0#1.base|)) (= c_~N~0 (select v_prenex_414 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (store (store (store (store .cse88 |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_505) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_503) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_505) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_503) |c_ULTIMATE.start_main_~b~0#1.base|) .cse89) (= c_~N~0 (select v_prenex_503 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= .cse89 (store (store (store (store .cse85 |c_ULTIMATE.start_main_~a~0#1.offset| .cse90) |c_ULTIMATE.start_main_~c~0#1.offset| (select .cse89 |c_ULTIMATE.start_main_~c~0#1.offset|)) |c_ULTIMATE.start_main_~a~0#1.offset| .cse90) |c_ULTIMATE.start_main_~b~0#1.offset| (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|))) (= (select (select .cse91 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 6) (= (select .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= .cse90 1) (= .cse83 .cse89))))) .cse92) (and .cse92 (exists ((v_prenex_494 (Array Int Int)) (v_prenex_495 (Array Int Int)) (v_prenex_496 (Array Int Int)) (v_prenex_497 (Array Int Int)) (v_prenex_413 (Array Int Int)) (v_prenex_414 (Array Int Int))) (let ((.cse99 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_496) |c_ULTIMATE.start_main_~c~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_496) |c_ULTIMATE.start_main_~c~0#1.base| .cse85))) (let ((.cse93 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_494) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_495) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_494) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_495)) (.cse95 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse96 (select .cse99 |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse94 (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base|))) (and (= c_~N~0 (select v_prenex_414 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (store (store (store (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_497) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_495) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_497) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_495) |c_ULTIMATE.start_main_~b~0#1.base|) .cse94) (= (select .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|) 6) (= .cse96 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.base|)) (= .cse85 (store (store .cse95 |c_ULTIMATE.start_main_~a~0#1.offset| .cse97) |c_ULTIMATE.start_main_~c~0#1.offset| .cse98)) (= (select v_prenex_495 |c_ULTIMATE.start_main_~c~0#1.offset|) c_~N~0) (= (select .cse96 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= (select .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (= .cse83 .cse94)))))) (and .cse86 (exists ((v_DerPreprocessor_129 Int) (v_prenex_506 (Array Int Int)) (v_prenex_507 (Array Int Int)) (v_prenex_508 (Array Int Int)) (v_DerPreprocessor_130 Int) (v_DerPreprocessor_133 (Array Int Int)) (v_prenex_413 (Array Int Int)) (v_prenex_414 (Array Int Int))) (let ((.cse105 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_133) |c_ULTIMATE.start_main_~c~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_133) |c_ULTIMATE.start_main_~c~0#1.base| .cse85))) (let ((.cse104 (select .cse105 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse101 (select (store (store .cse104 |c_ULTIMATE.start_main_~a~0#1.offset| v_DerPreprocessor_129) |c_ULTIMATE.start_main_~c~0#1.offset| v_DerPreprocessor_130) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse103 (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_413) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_414) |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse102 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_506) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_507) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_506) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_507)) (.cse100 (select .cse105 |c_ULTIMATE.start_main_~b~0#1.base|))) (and (= c_~N~0 (select v_prenex_507 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= c_~N~0 (select v_prenex_414 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= .cse101 v_DerPreprocessor_129) (= (select (store (store (store (store .cse102 |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_508) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_507) |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_508) |c_ULTIMATE.start_main_~c~0#1.base| v_prenex_507) |c_ULTIMATE.start_main_~b~0#1.base|) .cse103) (= 6 (select .cse104 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= (select .cse103 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (= c_~N~0 .cse101) (= .cse83 .cse103) (= (select .cse102 |c_ULTIMATE.start_main_~b~0#1.base|) .cse100))))))))))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 1)) is different from true [2022-11-03 04:17:15,866 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (not (<= c_~N~0 0)) (= c_~N~0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (not (< 1 c_~N~0)) (not (< .cse0 c_~N~0)) (let ((.cse58 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse19 (<= .cse58 2147483647)) (.cse57 (* .cse58 8)) (.cse56 (* 8 (mod .cse0 4294967296))) (.cse55 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse55 2147483647)) (.cse15 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse13 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse17 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse18 (+ c_~N~0 1)) (.cse27 (not .cse19)) (.cse35 (* .cse55 8))) (and (or (not .cse1) (let ((.cse14 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2)) (= (select (store (store (store (let ((.cse9 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (let ((.cse5 (store (store (store (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse7 .cse8 (+ (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse3 (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse3 .cse4 (+ (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse2 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0)))) .cse19) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse20 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse20 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0) (= (select (store (store (store (let ((.cse25 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse22 (store (store (store (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse24 .cse8 (+ (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse21 (select (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse21 .cse4 (+ (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18)))) .cse27) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse34 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (= (select (store (store (store (let ((.cse32 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse14 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse29 (store (store (store (let ((.cse31 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse31 .cse8 (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse28 (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse28 .cse4 (+ (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse28 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse34 1) c_~N~0))))))) (or .cse1 (let ((.cse41 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_3 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse42 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse40 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse15 v_ArrVal_1447))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40))) (let ((.cse37 (store (store (store (let ((.cse39 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse39 .cse8 (+ (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse40 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse36 (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse36 .cse4 (+ (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_3 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse42 1) c_~N~0) (< (+ v_subst_3 1) c_~N~0)))) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse48 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse47 (store (store (store .cse12 .cse13 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse45 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (let ((.cse44 (store (store (store (let ((.cse46 (select .cse45 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse46 .cse8 (+ (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse43 (select (store .cse45 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse43 .cse4 (+ (select .cse43 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse48)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse48 1) c_~N~0)))) .cse19) (or (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_subst_4 Int) (v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (v_ArrVal_1452 Int) (v_ArrVal_1444 Int) (v_ArrVal_1455 Int) (v_ArrVal_1454 Int) (v_ArrVal_1445 Int) (v_ArrVal_1447 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse54 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< (+ v_subst_4 1) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse53 (store (store (store .cse12 .cse26 v_ArrVal_1444) .cse41 v_ArrVal_1445) .cse33 v_ArrVal_1447))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse50 (store (store (store (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse52 .cse8 (+ (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse10 v_ArrVal_1452) .cse11 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse49 (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse49 .cse4 (+ (select .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse49 |c_ULTIMATE.start_main_~c~0#1.offset|))))))) .cse16 v_ArrVal_1460) .cse17 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse4) .cse18) (not (< v_subst_4 c_~N~0)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse54)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse54 1) c_~N~0)))) .cse27)))))))) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) (= 6 (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (not (= |c_ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)))) is different from true [2022-11-03 04:17:18,492 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (= c_~N~0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (< 4 c_~N~0) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 6 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= c_~N~0 5) (or (let ((.cse79 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse80 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse78 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse74 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse75 (* .cse78 8)) (.cse19 (<= .cse80 2147483647)) (.cse77 (* .cse80 8)) (.cse76 (* 8 .cse79)) (.cse29 (<= .cse79 2147483647)) (.cse45 (<= .cse78 2147483647))) (let ((.cse3 (not .cse45)) (.cse30 (not .cse29)) (.cse9 (+ .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse37 (not .cse19)) (.cse17 (+ .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (+ .cse77 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse24 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse11 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (+ c_~N~0 1)) (.cse44 (+ .cse75 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse46 (* 8 .cse74)) (.cse2 (<= .cse74 2147483647))) (and (or .cse2 (let ((.cse18 (+ (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse46)) (select .cse1 (+ (- 34359738368) .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse3 (let ((.cse7 (store .cse1 .cse17 .cse18))) (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse13 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse6 (store (store (store .cse7 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse4 .cse5 (+ (select .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse13 1) c_~N~0)))) (not (< v_subst_3 c_~N~0)) (< (+ v_subst_3 1) c_~N~0))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (not (< v_subst_4 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse14 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (= (select (store (store (store (let ((.cse16 (store (store (store .cse7 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse15 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse15 .cse5 (+ (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse15 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse14 1) c_~N~0))))))))) (or (let ((.cse22 (store .cse1 .cse44 .cse18))) (and (or .cse19 (and (or (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse25 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse21 (store (store (store .cse22 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse20 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse20 .cse5 (+ (select .cse20 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse25 1) c_~N~0)))) (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse28 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse27 (store (store (store .cse22 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse26 .cse5 (+ (select .cse26 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse28)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse28 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0)))) .cse29) (or .cse30 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse33 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse32 (store (store (store .cse22 .cse23 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse31 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse31 .cse5 (+ (select .cse31 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse33)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse33 1) c_~N~0)))) (not (< v_subst_4 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse36 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse35 (store (store (store .cse22 .cse23 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse34 .cse5 (+ (select .cse34 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse36)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse36 1) c_~N~0)))) (< (+ v_subst_3 1) c_~N~0))))))) (or .cse37 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (not (< v_subst_4 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse40 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse39 (store (store (store .cse22 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse38 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse38 .cse5 (+ (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse38 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse40 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse41 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse41)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse41 1) c_~N~0) (= .cse12 (select (store (store (store (let ((.cse43 (store (store (store .cse22 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse42 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse42 .cse5 (+ (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse42 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5))))) (< (+ v_subst_3 1) c_~N~0))))))) .cse45)))) (or (let ((.cse66 (+ (select .cse1 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse46))))) (and (or .cse3 (let ((.cse49 (store .cse1 .cse17 .cse66))) (and (or .cse19 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse50 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse48 (store (store (store .cse49 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse47 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse47 .cse5 (+ (select .cse47 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse50)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse50 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse53 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse52 (store (store (store .cse49 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse51 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse51 .cse5 (+ (select .cse51 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse53)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse53 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0))))) (or (and (or .cse30 (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_4 Int)) (or (< (+ v_subst_4 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse56 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse55 (store (store (store .cse49 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* 8 (mod v_subst_4 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse54 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse54 .cse5 (+ (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse54 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse56)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse56 1) c_~N~0)))) (not (< v_subst_4 c_~N~0)))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_3 Int)) (or (not (< v_subst_3 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse57 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57)) (= (select (store (store (store (let ((.cse59 (store (store (store .cse49 .cse8 v_ArrVal_1452) .cse9 v_ArrVal_1454) (+ (* (mod v_subst_3 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse58 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse58 .cse5 (+ (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse58 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse57 1) c_~N~0)))) (< (+ v_subst_3 1) c_~N~0))))) (or (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse60 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse60)) (= (select (store (store (store (let ((.cse62 (store (store (store .cse49 .cse8 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse61 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse62) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse61 .cse5 (+ (select .cse61 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse60 1) c_~N~0)))) (< (+ v_subst_1 1) c_~N~0))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse65 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse64 (store (store (store .cse49 .cse8 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse63 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse63 .cse5 (+ (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse63 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse65 1) c_~N~0))))))) .cse29)) .cse37)))) (or (let ((.cse69 (store .cse1 .cse44 .cse66))) (and (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_2 Int)) (or (< (+ v_subst_2 1) c_~N~0) (not (< v_subst_2 c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse70 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse68 (store (store (store .cse69 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* 8 (mod v_subst_2 4294967296)) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse67 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse67 .cse5 (+ (select .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse67 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse5) .cse12) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse70)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse70 1) c_~N~0)))))) (forall ((v_ArrVal_1452 Int) (v_ArrVal_1454 Int) (v_subst_1 Int)) (or (not (< v_subst_1 c_~N~0)) (< (+ v_subst_1 1) c_~N~0) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse73 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store (let ((.cse72 (store (store (store .cse69 .cse23 v_ArrVal_1452) .cse24 v_ArrVal_1454) (+ (* (mod v_subst_1 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse71 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse71 .cse5 (+ (select .cse71 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse10 v_ArrVal_1460) .cse11 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse5) .cse12) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse73)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse73 1) c_~N~0)))))))) .cse45))) (not .cse2)))))) (not (< 1 c_~N~0))) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-03 04:17:35,590 WARN L234 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 200 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:17:37,658 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (= c_~N~0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (< 4 c_~N~0) (let ((.cse0 (= (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (or (and .cse0 (<= (+ (* (div (+ (- 3) |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 4294967296) 4294967298) c_~N~0)) (and (= 7 (select .cse1 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (or (and (<= |c_ULTIMATE.start_main_~i~0#1| c_~N~0) .cse0) (<= (+ (* (div (+ (- 2) |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 4294967296) 4294967297) c_~N~0))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or (not (< 1 c_~N~0)) (let ((.cse5 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 24)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (+ c_~N~0 1))) (and (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (or (< (+ |ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (not (< |ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= (select (store (store (store (let ((.cse4 (store .cse1 (+ (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse2 .cse3 (+ (select .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse5 v_ArrVal_1460) .cse6 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse3) .cse7) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0)))))) (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (or (< (+ |ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (not (< |ULTIMATE.start_main_~i~0#1| c_~N~0)) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_1455 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse9 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9)) (= (select (store (store (store (let ((.cse11 (store .cse1 (+ (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1455))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~c~0#1.base|))) (store .cse10 .cse3 (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|))))) .cse5 v_ArrVal_1460) .cse6 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse3) .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse9 1) c_~N~0))))))))) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (and (not (= |c_ULTIMATE.start_main_~b~0#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (= 6 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0)))) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (<= c_~N~0 5) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)))) is different from false [2022-11-03 04:17:39,689 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse2 (select .cse1 .cse6)) (.cse3 (+ c_~N~0 1))) (and (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~a~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (= 6 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0)))) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse0 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (select .cse0 0) 1) (= (select .cse0 8) 7)))) (< 4 c_~N~0) (= (+ (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) 1) .cse2) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (= 6 (select (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|) 0))) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (< |c_ULTIMATE.start_main_~i~0#1| .cse3) (= .cse2 .cse3) (<= c_~N~0 5) (or (let ((.cse4 (+ (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|))) (and (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store .cse1 .cse4 v_ArrVal_1460) .cse5 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368)) v_ArrVal_1464) .cse6) .cse3) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7 1) c_~N~0)))) (forall ((v_ArrVal_1460 Int) (v_ArrVal_1462 Int) (v_ArrVal_1464 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse8 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store .cse1 .cse4 v_ArrVal_1460) .cse5 v_ArrVal_1462) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) v_ArrVal_1464) .cse6) .cse3) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse8 1) c_~N~0)))))) (not (< 1 c_~N~0))) (exists ((v_DerPreprocessor_175 Int)) (let ((.cse10 (let ((.cse12 (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)))) (let ((.cse11 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse12))) (store (store .cse1 .cse11 v_DerPreprocessor_175) (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse12) (select .cse1 .cse11)))))) (let ((.cse9 (select .cse10 .cse6))) (and (= .cse9 .cse3) (= .cse9 (+ (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|) 1))))))))) is different from false