./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- 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-8393723 [2022-11-19 07:01:57,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:01:57,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:01:57,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:01:57,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:01:57,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:01:57,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:01:57,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:01:57,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:01:57,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:01:57,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:01:57,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:01:57,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:01:57,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:01:57,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:01:57,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:01:57,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:01:57,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:01:57,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:01:57,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:01:57,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:01:57,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:01:57,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:01:57,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:01:57,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:01:57,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:01:57,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:01:57,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:01:57,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:01:57,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:01:57,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:01:57,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:01:57,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:01:57,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:01:57,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:01:57,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:01:57,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:01:57,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:01:57,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:01:57,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:01:57,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:01:57,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:01:57,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:01:57,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:01:57,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:01:57,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:01:57,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:01:57,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:01:57,811 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:01:57,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:01:57,811 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:01:57,811 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:01:57,813 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:01:57,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:01:57,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:01:57,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:01:57,814 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:01:57,814 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:01:57,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:01:57,814 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:01:57,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:01:57,815 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:01:57,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:01:57,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:01:57,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:01:57,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:01:57,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:01:57,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:01:57,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:01:57,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:01:57,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:01:57,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:01:57,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:01:57,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:01:57,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:01:57,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:01:57,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:57,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:01:57,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:01:57,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:01:57,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:01:57,820 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:01:57,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:01:57,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:01:57,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:01:57,820 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_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2022-11-19 07:01:58,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:01:58,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:01:58,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:01:58,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:01:58,133 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:01:58,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2022-11-19 07:01:58,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/data/eb860d222/7bf4eb58907243b59f56b97f92bcfa0a/FLAGb20bd998c [2022-11-19 07:01:58,972 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:01:58,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2022-11-19 07:01:58,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/data/eb860d222/7bf4eb58907243b59f56b97f92bcfa0a/FLAGb20bd998c [2022-11-19 07:01:59,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/data/eb860d222/7bf4eb58907243b59f56b97f92bcfa0a [2022-11-19 07:01:59,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:01:59,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:01:59,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:59,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:01:59,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:01:59,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:01:59,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454f6f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59, skipping insertion in model container [2022-11-19 07:01:59,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:01:59,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:01:59,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:01:59,727 WARN L234 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_2a173819-002b-4436-8130-15daa2ec5f1f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2022-11-19 07:01:59,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:59,839 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:01:59,873 WARN L234 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_2a173819-002b-4436-8130-15daa2ec5f1f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2022-11-19 07:01:59,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:59,960 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:01:59,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59 WrapperNode [2022-11-19 07:01:59,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:59,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:01:59,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:01:59,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:01:59,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,096 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 623 [2022-11-19 07:02:00,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:02:00,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:02:00,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:02:00,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:02:00,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:02:00,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:02:00,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:02:00,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:02:00,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (1/1) ... [2022-11-19 07:02:00,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:02:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:00,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:02:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:02:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:02:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:02:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:02:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:02:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:02:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:02:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:02:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:02:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:02:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:02:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:02:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:02:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:02:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:02:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:02:00,582 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:02:00,584 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:02:01,970 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:02:02,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:02:02,353 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 07:02:02,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:02:02 BoogieIcfgContainer [2022-11-19 07:02:02,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:02:02,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:02:02,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:02:02,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:02:02,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:01:59" (1/3) ... [2022-11-19 07:02:02,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2f2031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:02:02, skipping insertion in model container [2022-11-19 07:02:02,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:59" (2/3) ... [2022-11-19 07:02:02,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2f2031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:02:02, skipping insertion in model container [2022-11-19 07:02:02,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:02:02" (3/3) ... [2022-11-19 07:02:02,371 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2022-11-19 07:02:02,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:02:02,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 07:02:02,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:02:02,488 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;@2facccaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:02:02,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-19 07:02:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:02:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 07:02:02,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:02,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 07:02:02,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:02,509 INFO L85 PathProgramCache]: Analyzing trace with hash 531335, now seen corresponding path program 1 times [2022-11-19 07:02:02,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:02,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541250791] [2022-11-19 07:02:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:02,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:02,641 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:02,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411905110] [2022-11-19 07:02:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:02,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:02,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:02,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:02:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:02,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:02:02,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:02,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:02,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541250791] [2022-11-19 07:02:02,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411905110] [2022-11-19 07:02:02,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411905110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:02,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:02,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:02:02,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306279274] [2022-11-19 07:02:02,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:02,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:02:02,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:02,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:02:02,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:02,940 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-19 07:02:04,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:04,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:04,646 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2022-11-19 07:02:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:02:04,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-19 07:02:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:04,668 INFO L225 Difference]: With dead ends: 230 [2022-11-19 07:02:04,668 INFO L226 Difference]: Without dead ends: 141 [2022-11-19 07:02:04,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:04,675 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 54 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:04,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 203 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:02:04,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-19 07:02:04,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2022-11-19 07:02:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:02:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2022-11-19 07:02:04,736 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2022-11-19 07:02:04,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:04,737 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2022-11-19 07:02:04,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-19 07:02:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2022-11-19 07:02:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:02:04,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:04,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:04,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:04,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:04,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:04,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:04,947 INFO L85 PathProgramCache]: Analyzing trace with hash 372678044, now seen corresponding path program 1 times [2022-11-19 07:02:04,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:04,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135277334] [2022-11-19 07:02:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:05,135 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:05,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160397007] [2022-11-19 07:02:05,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:05,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:05,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:05,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:05,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:02:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:06,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:02:06,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:06,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:06,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:06,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135277334] [2022-11-19 07:02:06,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:06,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160397007] [2022-11-19 07:02:06,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160397007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:06,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:06,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:02:06,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818999188] [2022-11-19 07:02:06,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:06,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:02:06,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:06,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:02:06,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:02:06,202 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-19 07:02:08,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:09,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:09,793 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2022-11-19 07:02:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:02:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 07:02:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:09,804 INFO L225 Difference]: With dead ends: 141 [2022-11-19 07:02:09,805 INFO L226 Difference]: Without dead ends: 140 [2022-11-19 07:02:09,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:02:09,806 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 32 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:09,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 300 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-19 07:02:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-19 07:02:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2022-11-19 07:02:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:02:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2022-11-19 07:02:09,828 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2022-11-19 07:02:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:09,829 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2022-11-19 07:02:09,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-19 07:02:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2022-11-19 07:02:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 07:02:09,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:09,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:09,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:10,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:10,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:10,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1331882116, now seen corresponding path program 1 times [2022-11-19 07:02:10,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:10,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453775963] [2022-11-19 07:02:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:10,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:10,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:10,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171773656] [2022-11-19 07:02:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:10,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:10,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:10,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:02:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:11,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 1549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:02:11,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:11,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:11,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:11,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453775963] [2022-11-19 07:02:11,274 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:11,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171773656] [2022-11-19 07:02:11,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171773656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:11,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:11,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:02:11,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645822208] [2022-11-19 07:02:11,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:11,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:02:11,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:11,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:02:11,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:02:11,277 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2022-11-19 07:02:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:13,116 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2022-11-19 07:02:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:02:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 07:02:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:13,124 INFO L225 Difference]: With dead ends: 138 [2022-11-19 07:02:13,124 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 07:02:13,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:02:13,126 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 59 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:13,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 207 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:02:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 07:02:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 07:02:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:02:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-19 07:02:13,143 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2022-11-19 07:02:13,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:13,143 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-19 07:02:13,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2022-11-19 07:02:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-19 07:02:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 07:02:13,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:13,145 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:13,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:13,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:13,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash -38442068, now seen corresponding path program 1 times [2022-11-19 07:02:13,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:13,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119148322] [2022-11-19 07:02:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:13,571 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:13,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675600675] [2022-11-19 07:02:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:13,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:13,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:13,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:13,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:02:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:14,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:02:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:14,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:14,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:14,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119148322] [2022-11-19 07:02:14,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:14,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675600675] [2022-11-19 07:02:14,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675600675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:14,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:14,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:02:14,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218379072] [2022-11-19 07:02:14,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:14,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:02:14,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:14,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:02:14,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:14,717 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2022-11-19 07:02:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:16,318 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2022-11-19 07:02:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:02:16,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2022-11-19 07:02:16,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:16,325 INFO L225 Difference]: With dead ends: 246 [2022-11-19 07:02:16,326 INFO L226 Difference]: Without dead ends: 135 [2022-11-19 07:02:16,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:16,328 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:16,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:02:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-19 07:02:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-19 07:02:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:02:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2022-11-19 07:02:16,348 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2022-11-19 07:02:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:16,348 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2022-11-19 07:02:16,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2022-11-19 07:02:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2022-11-19 07:02:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 07:02:16,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:16,351 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:16,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 07:02:16,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:16,563 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:16,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:16,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1609350047, now seen corresponding path program 1 times [2022-11-19 07:02:16,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:16,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927170805] [2022-11-19 07:02:16,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:16,651 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:16,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226009458] [2022-11-19 07:02:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:16,653 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:16,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:02:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:19,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:02:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:19,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:19,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:19,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927170805] [2022-11-19 07:02:19,095 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:19,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226009458] [2022-11-19 07:02:19,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226009458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:19,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:19,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:02:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080004070] [2022-11-19 07:02:19,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:19,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:02:19,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:19,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:02:19,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:02:19,099 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:02:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:20,732 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2022-11-19 07:02:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:02:20,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2022-11-19 07:02:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:20,739 INFO L225 Difference]: With dead ends: 252 [2022-11-19 07:02:20,739 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 07:02:20,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:02:20,741 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:20,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:02:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 07:02:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 07:02:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2022-11-19 07:02:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2022-11-19 07:02:20,761 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2022-11-19 07:02:20,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:20,762 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2022-11-19 07:02:20,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:02:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2022-11-19 07:02:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:02:20,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:20,764 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:20,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:20,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:20,982 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 07:02:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:20,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2053486793, now seen corresponding path program 1 times [2022-11-19 07:02:20,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:20,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028409325] [2022-11-19 07:02:20,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:20,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:21,041 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:21,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311455456] [2022-11-19 07:02:21,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:21,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:21,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:21,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:21,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a173819-002b-4436-8130-15daa2ec5f1f/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:03:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:04,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:03:04,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:03:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:03:04,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:03:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:03:05,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:05,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028409325] [2022-11-19 07:03:05,018 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:03:05,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311455456] [2022-11-19 07:03:05,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311455456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:03:05,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [618817254] [2022-11-19 07:03:05,044 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 07:03:05,045 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:03:05,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:03:05,055 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:03:05,056 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:03:05,248 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:03:05,249 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 26 treesize of output 32 [2022-11-19 07:03:05,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:03:05,301 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:03:05,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:03:05,353 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:03:05,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:03:05,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:03:05,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:03:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-19 07:03:05,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 07:03:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:03:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:05,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:03:06,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:03:06,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:03:06,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:03:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-19 07:03:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:03:06,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:03:06,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:03:06,464 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:03:06,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:03:06,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 07:03:06,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:03:06,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:03:06,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-19 07:03:06,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 07:03:06,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-19 07:03:06,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:03:06,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 07:03:06,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 07:03:06,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-19 07:03:06,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 10 [2022-11-19 07:03:06,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 12 [2022-11-19 07:03:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:03:07,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:03:07,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:03:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:03:07,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:03:07,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:03:08,113 INFO L217 Elim1Store]: Index analysis took 478 ms [2022-11-19 07:03:14,995 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 78 DAG size of output: 27 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:03:14,996 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-19 07:03:14,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752687 treesize of output 10752705 [2022-11-19 07:03:15,849 INFO L217 Elim1Store]: Index analysis took 574 ms [2022-11-19 07:03:15,873 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 07:03:15,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 10752682 treesize of output 10752685 [2022-11-19 07:03:30,355 WARN L233 SmtUtils]: Spent 14.10s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:03:30,356 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:03:30,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 3050 treesize of output 2540 [2022-11-19 07:03:30,863 INFO L217 Elim1Store]: Index analysis took 309 ms [2022-11-19 07:04:06,254 WARN L233 SmtUtils]: Spent 35.39s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:04:06,255 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:04:06,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 4133 treesize of output 3952 [2022-11-19 07:04:08,424 INFO L217 Elim1Store]: Index analysis took 1294 ms [2022-11-19 07:04:53,859 WARN L233 SmtUtils]: Spent 44.58s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:04:53,860 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-19 07:04:53,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-19 07:04:55,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:55,644 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-19 07:04:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:55,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:55,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-19 07:04:57,502 INFO L217 Elim1Store]: Index analysis took 1016 ms [2022-11-19 07:04:58,767 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-19 07:04:58,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-19 07:04:58,955 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:04:58,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 07:04:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:59,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 07:04:59,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:59,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:59,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:59,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 251 [2022-11-19 07:04:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:59,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:59,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 42 treesize of output 30 [2022-11-19 07:05:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:01,729 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-11-19 07:05:01,732 INFO L350 Elim1Store]: Elim1 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 17 treesize of output 11 [2022-11-19 07:05:03,498 INFO L217 Elim1Store]: Index analysis took 448 ms [2022-11-19 07:05:03,967 INFO L321 Elim1Store]: treesize reduction 49, result has 22.2 percent of original size [2022-11-19 07:05:03,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 132 [2022-11-19 07:05:04,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 07:05:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:04,378 INFO L217 Elim1Store]: Index analysis took 159 ms [2022-11-19 07:05:05,861 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:05:05,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 60 treesize of output 70 [2022-11-19 07:05:06,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:06,157 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:06,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2022-11-19 07:05:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:06,467 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 13 [2022-11-19 07:05:06,583 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:07,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:07,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:08,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:08,026 INFO L217 Elim1Store]: Index analysis took 534 ms [2022-11-19 07:05:08,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 430 treesize of output 314 [2022-11-19 07:05:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:08,827 INFO L217 Elim1Store]: Index analysis took 237 ms [2022-11-19 07:05:09,469 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:05:09,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 77 [2022-11-19 07:05:09,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:09,583 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:09,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:09,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:10,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:10,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:10,498 INFO L217 Elim1Store]: Index analysis took 201 ms [2022-11-19 07:05:10,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 118 [2022-11-19 07:05:10,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:10,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:10,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 49 treesize of output 39 [2022-11-19 07:05:11,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:11,543 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:12,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:12,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:12,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:05:12,706 INFO L217 Elim1Store]: Index analysis took 684 ms [2022-11-19 07:05:12,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1830 treesize of output 1294 [2022-11-19 07:05:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:13,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:13,832 INFO L217 Elim1Store]: Index analysis took 553 ms [2022-11-19 07:05:14,279 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:05:14,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 217 treesize of output 217 [2022-11-19 07:05:14,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 191 [2022-11-19 07:05:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:14,850 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 13 [2022-11-19 07:05:15,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:05:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:05:15,225 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 13 [2022-11-19 07:05:22,688 INFO L217 Elim1Store]: Index analysis took 1639 ms [2022-11-19 07:13:18,857 WARN L233 SmtUtils]: Spent 7.94m on a formula simplification. DAG size of input: 339 DAG size of output: 90 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:13:18,858 INFO L321 Elim1Store]: treesize reduction 32656, result has 1.1 percent of original size [2022-11-19 07:13:18,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 632689 treesize of output 687911 [2022-11-19 07:13:50,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:13:51,389 INFO L350 Elim1Store]: Elim1 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 32155 treesize of output 32135 [2022-11-19 07:13:51,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:13:52,579 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:13:53,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:13:53,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:15:09,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:15:09,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:09,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:15:10,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:10,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:10,741 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:15:10,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:10,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:10,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:11,112 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:15:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:11,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:11,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:12,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:15,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:18,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:18,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:19,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:19,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:19,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:20,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:20,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:20,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:21,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:22,223 INFO L217 Elim1Store]: Index analysis took 10367 ms [2022-11-19 07:15:22,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 302807 treesize of output 8177872 [2022-11-19 07:15:29,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:29,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:29,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:30,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:30,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:32,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:32,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:32,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:32,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:41,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:41,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:41,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:41,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:45,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:45,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:45,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:47,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:57,414 INFO L217 Elim1Store]: Index analysis took 27128 ms [2022-11-19 07:15:57,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 308176 treesize of output 12086418 [2022-11-19 07:16:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:02,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:05,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:05,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:05,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:08,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:10,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:12,277 INFO L217 Elim1Store]: Index analysis took 9726 ms [2022-11-19 07:16:12,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146117 treesize of output 2426148 [2022-11-19 07:16:13,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:13,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:13,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:13,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:16:17,959 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3))) |ULTIMATE.start_main_~user~0#1.base|) .cse1)) |ULTIMATE.start_main_~user~0#1.base|) [2022-11-19 07:16:20,317 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (= (select (select (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3)) |ULTIMATE.start_main_~user~0#1.base|) .cse1) .cse0))) [2022-11-19 07:16:20,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:23,343 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |ULTIMATE.start_main_~user~0#1.base| (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))) [2022-11-19 07:16:29,493 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) |ULTIMATE.start_main_~_hj_key~0#1.base|) [2022-11-19 07:16:32,002 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse0 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= .cse0 (select (select (store .cse1 .cse0 (store (select .cse1 .cse0) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)))))) [2022-11-19 07:16:34,228 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3))) |ULTIMATE.start_main_~user~0#1.base|) .cse1)) |ULTIMATE.start_main_~_hj_key~0#1.base|) [2022-11-19 07:16:34,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:37,413 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select v_arrayElimArr_17 (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (select v_arrayElimArr_17 |ULTIMATE.start_main_~user~0#1.base|)) [2022-11-19 07:16:48,050 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 (select (select (let ((.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select v_arrayElimArr_20 .cse2)))) [2022-11-19 07:16:49,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:17:00,415 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (let ((.cse5 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse3 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse5)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse5) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse3 (store (select |v_#memory_$Pointer$.base_28| .cse3) .cse4 v_DerPreprocessor_3)))) (let ((.cse2 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse5))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse3 (store (select |v_#memory_$Pointer$.offset_28| .cse3) .cse4 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse5) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse5)))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_21 .cse0))) [2022-11-19 07:17:03,131 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_21 .cse0) (select v_arrayElimArr_17 (select (select (let ((.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) .cse3 v_DerPreprocessor_3)))) (let ((.cse2 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse0 (store (select |v_#memory_$Pointer$.offset_28| .cse0) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))))) [2022-11-19 07:17:05,387 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_21 .cse0) (select v_arrayElimArr_17 (select (select (let ((.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) .cse3 v_DerPreprocessor_3)))) (let ((.cse2 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse0 (store (select |v_#memory_$Pointer$.offset_28| .cse0) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))))) [2022-11-19 07:17:07,398 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 (select (select (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select v_arrayElimArr_21 .cse1)))))) [2022-11-19 07:17:09,409 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 (select (select (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select v_arrayElimArr_21 .cse1))))))