./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:19:41,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:19:41,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:19:41,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:19:41,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:19:41,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:19:41,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:19:41,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:19:41,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:19:41,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:19:41,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:19:41,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:19:41,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:19:41,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:19:41,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:19:41,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:19:41,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:19:41,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:19:41,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:19:41,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:19:41,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:19:41,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:19:41,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:19:41,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:19:41,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:19:41,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:19:41,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:19:41,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:19:41,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:19:41,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:19:41,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:19:41,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:19:41,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:19:41,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:19:41,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:19:41,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:19:41,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:19:41,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:19:41,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:19:41,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:19:41,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:19:41,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:19:41,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:19:41,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:19:41,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:19:41,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:19:41,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:19:41,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:19:41,278 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:19:41,279 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:19:41,279 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:19:41,279 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:19:41,280 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:19:41,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:19:41,281 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:19:41,281 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:19:41,281 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:19:41,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:19:41,282 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:19:41,282 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:19:41,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:19:41,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:19:41,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:19:41,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:19:41,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:19:41,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:19:41,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:19:41,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:19:41,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:19:41,285 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:19:41,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:19:41,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:19:41,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:19:41,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:19:41,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:19:41,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:19:41,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:41,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:19:41,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:19:41,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:19:41,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:19:41,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:19:41,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:19:41,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:19:41,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:19:41,289 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_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-11-25 23:19:41,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:19:41,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:19:41,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:19:41,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:19:41,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:19:41,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-tiling/pr3.c [2022-11-25 23:19:44,672 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:19:44,945 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:19:44,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/sv-benchmarks/c/array-tiling/pr3.c [2022-11-25 23:19:44,952 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/data/1a55cf531/c2158849776140ec8dfc128a38096f23/FLAG0507e540b [2022-11-25 23:19:44,967 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/data/1a55cf531/c2158849776140ec8dfc128a38096f23 [2022-11-25 23:19:44,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:19:44,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:19:44,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:44,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:19:44,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:19:44,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:44" (1/1) ... [2022-11-25 23:19:44,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469cccab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:44, skipping insertion in model container [2022-11-25 23:19:44,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:44" (1/1) ... [2022-11-25 23:19:44,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:19:45,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:19:45,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-25 23:19:45,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:45,182 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:19:45,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-25 23:19:45,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:45,217 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:19:45,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45 WrapperNode [2022-11-25 23:19:45,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:45,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:45,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:19:45,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:19:45,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,259 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-25 23:19:45,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:45,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:19:45,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:19:45,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:19:45,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:19:45,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:19:45,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:19:45,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:19:45,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:45,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:45,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:19:45,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:19:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:19:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:19:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:19:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:19:45,502 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:19:45,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:19:45,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:19:45,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:19:45,958 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:19:45,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:45 BoogieIcfgContainer [2022-11-25 23:19:45,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:19:45,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:19:45,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:19:45,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:19:45,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:19:44" (1/3) ... [2022-11-25 23:19:45,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a065fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:45, skipping insertion in model container [2022-11-25 23:19:45,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (2/3) ... [2022-11-25 23:19:45,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a065fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:45, skipping insertion in model container [2022-11-25 23:19:45,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:45" (3/3) ... [2022-11-25 23:19:45,972 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-11-25 23:19:45,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:19:45,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-25 23:19:46,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:19:46,052 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;@3f6f49d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:19:46,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-25 23:19:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:19:46,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:19:46,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:46,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,074 INFO L85 PathProgramCache]: Analyzing trace with hash 5342220, now seen corresponding path program 1 times [2022-11-25 23:19:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281238779] [2022-11-25 23:19:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:46,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:46,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281238779] [2022-11-25 23:19:46,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281238779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:46,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:46,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305374482] [2022-11-25 23:19:46,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:46,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:46,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:46,513 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:46,581 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2022-11-25 23:19:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:46,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:19:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:46,593 INFO L225 Difference]: With dead ends: 87 [2022-11-25 23:19:46,593 INFO L226 Difference]: Without dead ends: 69 [2022-11-25 23:19:46,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:46,600 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 147 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:46,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-25 23:19:46,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-25 23:19:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.825) internal successors, (73), 68 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2022-11-25 23:19:46,640 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 4 [2022-11-25 23:19:46,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,641 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2022-11-25 23:19:46,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-11-25 23:19:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:19:46,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:19:46,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:19:46,643 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:46,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,644 INFO L85 PathProgramCache]: Analyzing trace with hash 165608874, now seen corresponding path program 1 times [2022-11-25 23:19:46,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455653534] [2022-11-25 23:19:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:46,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:46,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455653534] [2022-11-25 23:19:46,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455653534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:46,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:46,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477622127] [2022-11-25 23:19:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:46,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:19:46,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:46,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:19:46,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:46,872 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:46,915 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-11-25 23:19:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:19:46,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 23:19:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:46,917 INFO L225 Difference]: With dead ends: 69 [2022-11-25 23:19:46,919 INFO L226 Difference]: Without dead ends: 68 [2022-11-25 23:19:46,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:46,921 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 136 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:46,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-25 23:19:46,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-25 23:19:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.8) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-11-25 23:19:46,936 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 5 [2022-11-25 23:19:46,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,937 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-11-25 23:19:46,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-11-25 23:19:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:19:46,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:46,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:19:46,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:46,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1263399085, now seen corresponding path program 1 times [2022-11-25 23:19:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441955098] [2022-11-25 23:19:46,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:47,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:47,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441955098] [2022-11-25 23:19:47,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441955098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:47,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:47,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:19:47,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883893612] [2022-11-25 23:19:47,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:47,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:47,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:47,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:47,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:47,034 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:47,266 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-11-25 23:19:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:47,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:19:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:47,268 INFO L225 Difference]: With dead ends: 128 [2022-11-25 23:19:47,268 INFO L226 Difference]: Without dead ends: 104 [2022-11-25 23:19:47,269 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 [2022-11-25 23:19:47,270 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:47,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 56 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-25 23:19:47,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2022-11-25 23:19:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 97 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-11-25 23:19:47,294 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 8 [2022-11-25 23:19:47,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:47,295 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-25 23:19:47,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-11-25 23:19:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:19:47,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:47,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:47,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:19:47,297 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:47,297 INFO L85 PathProgramCache]: Analyzing trace with hash -510652293, now seen corresponding path program 1 times [2022-11-25 23:19:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:47,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398184285] [2022-11-25 23:19:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:47,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:47,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398184285] [2022-11-25 23:19:47,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398184285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:47,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:47,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:47,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781645730] [2022-11-25 23:19:47,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:47,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:47,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:47,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:47,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:47,402 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:47,488 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-11-25 23:19:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:47,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-25 23:19:47,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:47,491 INFO L225 Difference]: With dead ends: 103 [2022-11-25 23:19:47,491 INFO L226 Difference]: Without dead ends: 101 [2022-11-25 23:19:47,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:47,493 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:47,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 146 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:19:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-25 23:19:47,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-25 23:19:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 100 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2022-11-25 23:19:47,504 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 9 [2022-11-25 23:19:47,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:47,504 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2022-11-25 23:19:47,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-11-25 23:19:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:19:47,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:47,506 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:47,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:19:47,506 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:47,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash -68134675, now seen corresponding path program 1 times [2022-11-25 23:19:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:47,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935369729] [2022-11-25 23:19:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:19:47,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:47,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935369729] [2022-11-25 23:19:47,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935369729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:47,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:47,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895616622] [2022-11-25 23:19:47,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:47,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:47,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:47,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:47,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:47,860 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:48,070 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2022-11-25 23:19:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:48,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:19:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:48,072 INFO L225 Difference]: With dead ends: 115 [2022-11-25 23:19:48,072 INFO L226 Difference]: Without dead ends: 106 [2022-11-25 23:19:48,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:48,074 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 105 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:48,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 52 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:48,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-25 23:19:48,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2022-11-25 23:19:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 100 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2022-11-25 23:19:48,100 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 12 [2022-11-25 23:19:48,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:48,100 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2022-11-25 23:19:48,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2022-11-25 23:19:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:19:48,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:48,102 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] [2022-11-25 23:19:48,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:19:48,103 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:48,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:48,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1689851049, now seen corresponding path program 1 times [2022-11-25 23:19:48,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:48,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097571092] [2022-11-25 23:19:48,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:48,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:48,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097571092] [2022-11-25 23:19:48,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097571092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:48,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:48,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:48,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743259069] [2022-11-25 23:19:48,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:48,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:48,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:48,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:48,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:48,275 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:48,419 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2022-11-25 23:19:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:48,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-25 23:19:48,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:48,421 INFO L225 Difference]: With dead ends: 106 [2022-11-25 23:19:48,421 INFO L226 Difference]: Without dead ends: 104 [2022-11-25 23:19:48,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:48,423 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 18 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:48,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:19:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-25 23:19:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-25 23:19:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 103 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2022-11-25 23:19:48,432 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2022-11-25 23:19:48,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:48,433 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2022-11-25 23:19:48,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2022-11-25 23:19:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 23:19:48,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:48,439 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] [2022-11-25 23:19:48,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:19:48,439 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -10261982, now seen corresponding path program 1 times [2022-11-25 23:19:48,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:48,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936703396] [2022-11-25 23:19:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:48,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:48,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936703396] [2022-11-25 23:19:48,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936703396] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72774292] [2022-11-25 23:19:48,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:48,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:48,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:19:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:48,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:48,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:48,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:48,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72774292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:48,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:19:48,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-25 23:19:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123387433] [2022-11-25 23:19:48,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:19:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:19:48,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:19:48,795 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:49,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:49,008 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2022-11-25 23:19:49,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:19:49,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2022-11-25 23:19:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:49,011 INFO L225 Difference]: With dead ends: 104 [2022-11-25 23:19:49,011 INFO L226 Difference]: Without dead ends: 91 [2022-11-25 23:19:49,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:49,020 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 63 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:49,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 58 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:49,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-25 23:19:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-25 23:19:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 90 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2022-11-25 23:19:49,039 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 29 [2022-11-25 23:19:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:49,040 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2022-11-25 23:19:49,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2022-11-25 23:19:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:19:49,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:49,042 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:49,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:49,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 23:19:49,249 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:19:49,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:49,249 INFO L85 PathProgramCache]: Analyzing trace with hash -318121376, now seen corresponding path program 1 times [2022-11-25 23:19:49,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:49,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101347118] [2022-11-25 23:19:49,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:49,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:49,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:49,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101347118] [2022-11-25 23:19:49,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101347118] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:19:49,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85534808] [2022-11-25 23:19:49,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:49,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:49,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:49,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:49,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:19:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:49,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:49,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:49,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85534808] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:49,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [316952335] [2022-11-25 23:19:49,684 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-25 23:19:49,684 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:19:49,687 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:19:49,693 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:19:49,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:19:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,869 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:19:49,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:19:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:49,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 23:19:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:19:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:19:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:19:50,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:19:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:19:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:50,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-25 23:19:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:51,940 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:19:51,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-25 23:19:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:52,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,440 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:19:52,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-25 23:19:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:52,980 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:19:52,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-25 23:19:53,228 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 [2022-11-25 23:19:53,303 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 29 treesize of output 28 [2022-11-25 23:19:53,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:19:53,697 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 [2022-11-25 23:19:53,818 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 [2022-11-25 23:19:53,897 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:19:56,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [316952335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:56,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:19:56,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-11-25 23:19:56,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312070392] [2022-11-25 23:19:56,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:56,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:19:56,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:56,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:19:56,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2022-11-25 23:19:56,161 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:00,627 INFO L93 Difference]: Finished difference Result 224 states and 256 transitions. [2022-11-25 23:20:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:20:00,628 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-25 23:20:00,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:00,629 INFO L225 Difference]: With dead ends: 224 [2022-11-25 23:20:00,629 INFO L226 Difference]: Without dead ends: 162 [2022-11-25 23:20:00,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 60 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2022-11-25 23:20:00,630 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 339 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:00,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 49 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:20:00,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-25 23:20:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 117. [2022-11-25 23:20:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 102 states have (on average 1.2450980392156863) internal successors, (127), 116 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2022-11-25 23:20:00,644 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 30 [2022-11-25 23:20:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:00,644 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2022-11-25 23:20:00,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2022-11-25 23:20:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:20:00,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:00,646 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:00,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:00,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 23:20:00,873 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:00,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:00,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1110985130, now seen corresponding path program 1 times [2022-11-25 23:20:00,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:00,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910871977] [2022-11-25 23:20:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:20:00,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:00,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910871977] [2022-11-25 23:20:00,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910871977] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:00,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685969196] [2022-11-25 23:20:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:00,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:00,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:00,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:00,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:20:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:01,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:20:01,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:20:01,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:20:01,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685969196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:01,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1712947903] [2022-11-25 23:20:01,164 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-25 23:20:01,164 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:01,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:01,165 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:01,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,224 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:20:01,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:20:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 23:20:01,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:20:01,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:20:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:20:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:20:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:20:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:01,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-25 23:20:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:02,627 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:02,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-25 23:20:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,113 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:03,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-25 23:20:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:03,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:03,527 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:03,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-25 23:20:03,737 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 [2022-11-25 23:20:03,809 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 29 treesize of output 28 [2022-11-25 23:20:03,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:20:04,066 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 [2022-11-25 23:20:04,117 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 29 treesize of output 28 [2022-11-25 23:20:04,173 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:06,469 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2347#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= |#NULL.base| 0) (< 2147483647 (* 3 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|))' at error location [2022-11-25 23:20:06,469 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:20:06,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:06,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-25 23:20:06,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215691351] [2022-11-25 23:20:06,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:20:06,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:20:06,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:20:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-11-25 23:20:06,472 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:06,720 INFO L93 Difference]: Finished difference Result 206 states and 237 transitions. [2022-11-25 23:20:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:20:06,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 [2022-11-25 23:20:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:06,721 INFO L225 Difference]: With dead ends: 206 [2022-11-25 23:20:06,721 INFO L226 Difference]: Without dead ends: 193 [2022-11-25 23:20:06,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 57 SyntacticMatches, 14 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:20:06,723 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 121 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:06,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 94 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:20:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-25 23:20:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 148. [2022-11-25 23:20:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.1468531468531469) internal successors, (164), 147 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 164 transitions. [2022-11-25 23:20:06,738 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 164 transitions. Word has length 30 [2022-11-25 23:20:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:06,738 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 164 transitions. [2022-11-25 23:20:06,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2022-11-25 23:20:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:20:06,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:06,740 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] [2022-11-25 23:20:06,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:06,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:06,946 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378692, now seen corresponding path program 1 times [2022-11-25 23:20:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:06,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243245753] [2022-11-25 23:20:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:07,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:07,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243245753] [2022-11-25 23:20:07,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243245753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:07,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604938969] [2022-11-25 23:20:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:07,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:07,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:07,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:07,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:20:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:07,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:20:07,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:07,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:20:07,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604938969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:07,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:20:07,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 23:20:07,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149152430] [2022-11-25 23:20:07,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:07,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:20:07,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:07,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:20:07,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:20:07,173 INFO L87 Difference]: Start difference. First operand 148 states and 164 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:07,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:07,289 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2022-11-25 23:20:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:20:07,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-25 23:20:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:07,292 INFO L225 Difference]: With dead ends: 160 [2022-11-25 23:20:07,292 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 23:20:07,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:20:07,294 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:07,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 52 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:20:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 23:20:07,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2022-11-25 23:20:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 143 states have (on average 1.1398601398601398) internal successors, (163), 146 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:07,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2022-11-25 23:20:07,321 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 33 [2022-11-25 23:20:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:07,321 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2022-11-25 23:20:07,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2022-11-25 23:20:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:20:07,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:07,328 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] [2022-11-25 23:20:07,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:20:07,534 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:07,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash 862770152, now seen corresponding path program 1 times [2022-11-25 23:20:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:07,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011980855] [2022-11-25 23:20:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:07,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:07,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011980855] [2022-11-25 23:20:07,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011980855] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:07,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994198173] [2022-11-25 23:20:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:07,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:07,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:07,637 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:07,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:20:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:07,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:20:07,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:07,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:07,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994198173] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:07,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1813566049] [2022-11-25 23:20:07,778 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:20:07,778 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:07,779 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:07,779 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:07,779 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:07,844 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:20:07,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:20:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:07,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 23:20:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:07,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:20:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:20:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:20:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:20:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:20:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:08,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-25 23:20:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,231 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:09,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-25 23:20:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,548 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:09,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-25 23:20:09,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:09,886 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:09,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-25 23:20:10,076 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 [2022-11-25 23:20:10,140 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 29 treesize of output 28 [2022-11-25 23:20:10,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:20:10,857 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 [2022-11-25 23:20:10,959 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 [2022-11-25 23:20:11,000 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:13,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1813566049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:13,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:13,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 25 [2022-11-25 23:20:13,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69624929] [2022-11-25 23:20:13,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:13,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:20:13,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:20:13,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:20:13,452 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-25 23:20:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:19,109 INFO L93 Difference]: Finished difference Result 187 states and 205 transitions. [2022-11-25 23:20:19,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 23:20:19,109 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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 34 [2022-11-25 23:20:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:19,110 INFO L225 Difference]: With dead ends: 187 [2022-11-25 23:20:19,110 INFO L226 Difference]: Without dead ends: 146 [2022-11-25 23:20:19,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 67 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=316, Invalid=1244, Unknown=0, NotChecked=0, Total=1560 [2022-11-25 23:20:19,112 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 296 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:19,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 19 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:20:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-11-25 23:20:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2022-11-25 23:20:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 118 states have (on average 1.1440677966101696) internal successors, (135), 121 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions. [2022-11-25 23:20:19,120 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 34 [2022-11-25 23:20:19,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:19,121 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 135 transitions. [2022-11-25 23:20:19,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 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) [2022-11-25 23:20:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2022-11-25 23:20:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:20:19,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:19,122 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] [2022-11-25 23:20:19,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:19,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:20:19,328 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:19,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2035270878, now seen corresponding path program 1 times [2022-11-25 23:20:19,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:19,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708885494] [2022-11-25 23:20:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:19,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:19,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708885494] [2022-11-25 23:20:19,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708885494] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:19,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649387770] [2022-11-25 23:20:19,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:19,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:19,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:19,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:19,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:20:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:19,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:20:19,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:19,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:19,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649387770] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:19,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1611329371] [2022-11-25 23:20:19,632 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:20:19,632 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:19,632 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:19,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:19,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:19,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:19,695 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:20:19,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:20:19,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:19,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 23:20:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:19,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:20:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:19,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:20:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:19,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:20:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:20:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:20:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-25 23:20:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:20,765 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:20,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-25 23:20:21,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:21,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,092 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:21,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-25 23:20:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:21,399 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:21,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-25 23:20:21,570 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 [2022-11-25 23:20:21,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-25 23:20:21,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:20:22,117 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 [2022-11-25 23:20:22,177 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 29 treesize of output 28 [2022-11-25 23:20:22,220 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:24,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1611329371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:24,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:24,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 26 [2022-11-25 23:20:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382584035] [2022-11-25 23:20:24,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:24,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 23:20:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 23:20:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2022-11-25 23:20:24,783 INFO L87 Difference]: Start difference. First operand 122 states and 135 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2022-11-25 23:20:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:31,813 INFO L93 Difference]: Finished difference Result 295 states and 332 transitions. [2022-11-25 23:20:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 23:20:31,814 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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 34 [2022-11-25 23:20:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:31,815 INFO L225 Difference]: With dead ends: 295 [2022-11-25 23:20:31,815 INFO L226 Difference]: Without dead ends: 142 [2022-11-25 23:20:31,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 64 SyntacticMatches, 16 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=405, Invalid=1487, Unknown=0, NotChecked=0, Total=1892 [2022-11-25 23:20:31,817 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 215 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:31,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 24 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:20:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-25 23:20:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2022-11-25 23:20:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.1382113821138211) internal successors, (140), 126 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2022-11-25 23:20:31,830 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 34 [2022-11-25 23:20:31,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:31,830 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2022-11-25 23:20:31,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2022-11-25 23:20:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2022-11-25 23:20:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:20:31,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:31,836 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] [2022-11-25 23:20:31,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:32,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:32,037 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:32,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2146725336, now seen corresponding path program 1 times [2022-11-25 23:20:32,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:32,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479471928] [2022-11-25 23:20:32,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:32,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:32,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:32,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479471928] [2022-11-25 23:20:32,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479471928] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:32,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948178742] [2022-11-25 23:20:32,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:32,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:32,173 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:32,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:20:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:32,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:20:32,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:32,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:32,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948178742] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:32,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [812532920] [2022-11-25 23:20:32,311 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:20:32,311 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:32,312 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:32,312 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:32,312 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,378 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:20:32,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:20:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-25 23:20:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:20:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:20:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:20:32,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:20:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:20:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,989 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-25 23:20:32,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 47 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 665 treesize of output 656 [2022-11-25 23:20:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,621 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:33,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 560 treesize of output 548 [2022-11-25 23:20:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,930 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:33,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 566 treesize of output 557 [2022-11-25 23:20:34,202 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 [2022-11-25 23:20:34,276 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 29 treesize of output 28 [2022-11-25 23:20:34,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:20:34,371 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 [2022-11-25 23:20:34,984 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 [2022-11-25 23:20:35,012 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 29 treesize of output 28 [2022-11-25 23:20:35,022 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:37,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [812532920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:37,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:37,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 27 [2022-11-25 23:20:37,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181978104] [2022-11-25 23:20:37,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:37,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 23:20:37,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 23:20:37,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2022-11-25 23:20:37,460 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 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) [2022-11-25 23:20:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:43,504 INFO L93 Difference]: Finished difference Result 277 states and 312 transitions. [2022-11-25 23:20:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 23:20:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 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 34 [2022-11-25 23:20:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:43,505 INFO L225 Difference]: With dead ends: 277 [2022-11-25 23:20:43,505 INFO L226 Difference]: Without dead ends: 121 [2022-11-25 23:20:43,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 11 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=408, Invalid=1484, Unknown=0, NotChecked=0, Total=1892 [2022-11-25 23:20:43,507 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 282 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:43,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 25 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:20:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-25 23:20:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2022-11-25 23:20:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2022-11-25 23:20:43,515 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 34 [2022-11-25 23:20:43,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:43,516 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2022-11-25 23:20:43,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 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) [2022-11-25 23:20:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2022-11-25 23:20:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:20:43,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:43,516 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] [2022-11-25 23:20:43,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-25 23:20:43,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 23:20:43,717 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-25 23:20:43,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:43,718 INFO L85 PathProgramCache]: Analyzing trace with hash -315516130, now seen corresponding path program 1 times [2022-11-25 23:20:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:43,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708975670] [2022-11-25 23:20:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:43,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:43,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:43,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708975670] [2022-11-25 23:20:43,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708975670] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:43,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444457750] [2022-11-25 23:20:43,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:43,831 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:43,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:20:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:43,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:20:43,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:43,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:20:43,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444457750] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:20:43,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [11071700] [2022-11-25 23:20:43,992 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-25 23:20:43,992 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:20:43,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:20:43,993 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:20:43,993 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:20:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,049 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-25 23:20:44,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-25 23:20:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,094 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:20:44,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:20:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-25 23:20:44,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-25 23:20:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-25 23:20:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-25 23:20:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-25 23:20:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-25 23:20:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,073 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:45,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-25 23:20:45,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,400 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:45,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-25 23:20:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,704 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-25 23:20:45,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-25 23:20:45,834 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 [2022-11-25 23:20:45,863 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 29 treesize of output 28 [2022-11-25 23:20:45,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 23:20:46,297 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 [2022-11-25 23:20:46,483 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 [2022-11-25 23:20:46,498 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:20:49,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [11071700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:49,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:20:49,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 24 [2022-11-25 23:20:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231705567] [2022-11-25 23:20:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:49,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 23:20:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:49,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 23:20:49,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:20:49,353 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-25 23:20:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:54,952 INFO L93 Difference]: Finished difference Result 212 states and 242 transitions. [2022-11-25 23:20:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 23:20:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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 34 [2022-11-25 23:20:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:54,952 INFO L225 Difference]: With dead ends: 212 [2022-11-25 23:20:54,952 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:20:54,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 64 SyntacticMatches, 18 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 23:20:54,954 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 183 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:54,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:20:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:20:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:20:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:20:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:20:54,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-25 23:20:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:54,956 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:20:54,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 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) [2022-11-25 23:20:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:20:54,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:20:54,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-25 23:20:54,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-25 23:20:54,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-25 23:20:54,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-25 23:20:54,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-25 23:20:54,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-25 23:20:54,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-25 23:20:54,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-25 23:20:54,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-25 23:20:54,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-25 23:20:54,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-25 23:20:54,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-25 23:20:54,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-25 23:20:54,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-25 23:20:54,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-25 23:20:54,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-25 23:20:54,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-25 23:20:54,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-25 23:20:54,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-25 23:20:54,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-25 23:20:54,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-25 23:20:55,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 23:20:55,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:20:56,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-25 23:20:56,994 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-25 23:20:56,995 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-25 23:20:56,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-25 23:20:56,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:20:56,995 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-25 23:20:56,997 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-11-25 23:20:56,998 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-11-25 23:20:56,998 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-25 23:20:56,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 23:20:56,998 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-25 23:20:56,999 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 56) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse37 (select |#memory_int| 2)) (.cse36 (div ~CELLCOUNT~0 3))) (let ((.cse0 (= ~CELLCOUNT~0 (* .cse36 3))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse37 5) 0)) (.cse6 (= 114 (select .cse37 1))) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse15 (= 51 (select .cse37 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse19 (= (select .cse37 4) 99)) (.cse20 (= 112 (select .cse37 0))) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select |#valid| 2) 1)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= (select .cse38 0) 48)) (.cse27 (= (select .cse38 1) 0)) (.cse28 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (= 46 (select .cse37 3))) (.cse31 (= 6 (select |#length| 2))) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~MINVAL~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (let ((.cse35 (mod ~CELLCOUNT~0 3))) (let ((.cse34 (and (not (= .cse35 0)) (< ~CELLCOUNT~0 0)))) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 (= (ite (= (ite .cse34 (+ .cse35 (- 3)) .cse35) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse10 (<= |ULTIMATE.start_main_~i~0#1| (ite .cse34 (+ .cse36 1) .cse36)) .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 .cse16 .cse17 .cse19 .cse20 .cse21 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse30 .cse31 .cse32 .cse33)))))) [2022-11-25 23:20:56,999 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 23:20:57,000 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,001 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 23:20:57,002 INFO L902 garLoopResultBuilder]: At program point L63(lines 13 64) the Hoare annotation is: true [2022-11-25 23:20:57,002 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-25 23:20:57,002 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-11-25 23:20:57,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-25 23:20:57,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-25 23:20:57,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,005 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-25 23:20:57,006 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-11-25 23:20:57,007 INFO L895 garLoopResultBuilder]: At program point L58-5(lines 58 61) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse33 5) 0)) (.cse6 (= 114 (select .cse33 1))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= 51 (select .cse33 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select .cse33 4) 99)) (.cse19 (= 112 (select .cse33 0))) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse26 (= (select .cse34 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse29 (= 46 (select .cse33 3))) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32)))) [2022-11-25 23:20:57,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-25 23:20:57,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 23:20:57,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-25 23:20:57,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-25 23:20:57,012 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:57,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:20:57,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:20:57 BoogieIcfgContainer [2022-11-25 23:20:57,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:20:57,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:20:57,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:20:57,071 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:20:57,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:45" (3/4) ... [2022-11-25 23:20:57,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:20:57,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-25 23:20:57,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-25 23:20:57,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 23:20:57,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:20:57,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:20:57,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && \old(cond) == cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(cond == 0)) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-25 23:20:57,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-25 23:20:57,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:20:57,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:20:57,156 INFO L158 Benchmark]: Toolchain (without parser) took 72184.08ms. Allocated memory was 203.4MB in the beginning and 427.8MB in the end (delta: 224.4MB). Free memory was 172.1MB in the beginning and 220.2MB in the end (delta: -48.1MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,156 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:57,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.55ms. Allocated memory is still 203.4MB. Free memory was 172.1MB in the beginning and 161.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.24ms. Allocated memory is still 203.4MB. Free memory was 161.1MB in the beginning and 159.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,157 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 203.4MB. Free memory was 159.1MB in the beginning and 158.2MB in the end (delta: 935.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,162 INFO L158 Benchmark]: RCFGBuilder took 648.32ms. Allocated memory is still 203.4MB. Free memory was 158.2MB in the beginning and 138.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,163 INFO L158 Benchmark]: TraceAbstraction took 71106.22ms. Allocated memory was 203.4MB in the beginning and 427.8MB in the end (delta: 224.4MB). Free memory was 138.1MB in the beginning and 224.4MB in the end (delta: -86.3MB). Peak memory consumption was 224.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,163 INFO L158 Benchmark]: Witness Printer took 84.38ms. Allocated memory is still 427.8MB. Free memory was 224.4MB in the beginning and 220.2MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:57,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.55ms. Allocated memory is still 203.4MB. Free memory was 172.1MB in the beginning and 161.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.24ms. Allocated memory is still 203.4MB. Free memory was 161.1MB in the beginning and 159.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 203.4MB. Free memory was 159.1MB in the beginning and 158.2MB in the end (delta: 935.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.32ms. Allocated memory is still 203.4MB. Free memory was 158.2MB in the beginning and 138.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 71106.22ms. Allocated memory was 203.4MB in the beginning and 427.8MB in the end (delta: 224.4MB). Free memory was 138.1MB in the beginning and 224.4MB in the end (delta: -86.3MB). Peak memory consumption was 224.1MB. Max. memory is 16.1GB. * Witness Printer took 84.38ms. Allocated memory is still 427.8MB. Free memory was 224.4MB in the beginning and 220.2MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 71.0s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1985 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1985 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3169 IncrementalHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 293 mSolverCounterUnsat, 411 mSDtfsCounter, 3169 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 768 GetRequests, 446 SyntacticMatches, 86 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3341 ImplicationChecksByTransitivity, 39.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=9, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 160 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 854 HoareAnnotationTreeSize, 3 FomulaSimplifications, 324 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2340 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 13 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 28 InterpolantComputations, 8 PerfectInterpolantSequences, 51/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 15.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 160, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 564, TOOLS_POST_TIME: 13.8s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 564, TOOLS_QUANTIFIERELIM_TIME: 13.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 765, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 160, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 10.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 10.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 5397, DAG_COMPRESSION_RETAINED_NODES: 521, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && \old(cond) == cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(cond == 0)) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-25 23:20:57,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb57a51-4468-4469-ace5-678a770ccd51/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE