./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba --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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- 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-b5237d8 [2022-11-22 01:16:06,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:16:06,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:16:06,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:16:06,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:16:06,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:16:06,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:16:06,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:16:06,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:16:06,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:16:06,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:16:06,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:16:06,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:16:06,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:16:06,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:16:06,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:16:06,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:16:06,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:16:06,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:16:06,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:16:06,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:16:06,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:16:06,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:16:06,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:16:06,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:16:06,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:16:06,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:16:06,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:16:06,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:16:06,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:16:06,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:16:06,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:16:06,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:16:06,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:16:06,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:16:06,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:16:06,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:16:06,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:16:06,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:16:06,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:16:06,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:16:06,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:16:06,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:16:06,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:16:06,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:16:06,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:16:06,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:16:06,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:16:06,347 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:16:06,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:16:06,348 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:16:06,348 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:16:06,349 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:16:06,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:16:06,350 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:16:06,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:16:06,350 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:16:06,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:16:06,350 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:16:06,351 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:16:06,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:16:06,351 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:16:06,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:16:06,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:16:06,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:16:06,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:16:06,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:16:06,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:16:06,354 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:16:06,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:16:06,356 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_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-22 01:16:06,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:16:06,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:16:06,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:16:06,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:16:06,610 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:16:06,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:16:09,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:16:10,082 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:16:10,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:16:10,097 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/data/5a0fb1aeb/d100d6ef17b3454892f30aba96657c0d/FLAG49090fdf4 [2022-11-22 01:16:10,112 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/data/5a0fb1aeb/d100d6ef17b3454892f30aba96657c0d [2022-11-22 01:16:10,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:16:10,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:16:10,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:16:10,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:16:10,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:16:10,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608ee1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10, skipping insertion in model container [2022-11-22 01:16:10,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:16:10,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:16:10,532 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_34f14db0-605f-4bd9-bf32-15300fdeb864/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:16:10,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:16:10,690 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:16:10,725 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_34f14db0-605f-4bd9-bf32-15300fdeb864/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:16:10,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:16:10,856 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:16:10,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10 WrapperNode [2022-11-22 01:16:10,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:16:10,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:16:10,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:16:10,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:16:10,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,951 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-22 01:16:10,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:16:10,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:16:10,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:16:10,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:16:10,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:10,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:11,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:16:11,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:16:11,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:16:11,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:16:11,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (1/1) ... [2022-11-22 01:16:11,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:16:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:16:11,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:16:11,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:16:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:16:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:16:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:16:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:16:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:16:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:16:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:16:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-22 01:16:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-22 01:16:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:16:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-22 01:16:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-22 01:16:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:16:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:16:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:16:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:16:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-22 01:16:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-22 01:16:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:16:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:16:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:16:11,275 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:16:11,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:16:14,161 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:16:14,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:16:14,326 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:16:14,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:16:14 BoogieIcfgContainer [2022-11-22 01:16:14,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:16:14,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:16:14,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:16:14,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:16:14,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:16:10" (1/3) ... [2022-11-22 01:16:14,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec33d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:16:14, skipping insertion in model container [2022-11-22 01:16:14,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:16:10" (2/3) ... [2022-11-22 01:16:14,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec33d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:16:14, skipping insertion in model container [2022-11-22 01:16:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:16:14" (3/3) ... [2022-11-22 01:16:14,347 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-22 01:16:14,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:16:14,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 01:16:14,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:16:14,463 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;@be9344d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:16:14,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 01:16:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-22 01:16:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:16:14,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:14,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:16:14,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:16:14,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:14,486 INFO L85 PathProgramCache]: Analyzing trace with hash 9508179, now seen corresponding path program 1 times [2022-11-22 01:16:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:14,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446749678] [2022-11-22 01:16:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:14,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:14,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446749678] [2022-11-22 01:16:14,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446749678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:14,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:14,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:16:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237158102] [2022-11-22 01:16:14,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:14,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:16:14,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:16:15,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:16:15,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:15,007 INFO L87 Difference]: Start difference. First operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-22 01:16:17,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:17,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:17,201 INFO L93 Difference]: Finished difference Result 208 states and 289 transitions. [2022-11-22 01:16:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:16:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 [2022-11-22 01:16:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:17,210 INFO L225 Difference]: With dead ends: 208 [2022-11-22 01:16:17,210 INFO L226 Difference]: Without dead ends: 16 [2022-11-22 01:16:17,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:17,228 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:17,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:16:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-22 01:16:17,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2022-11-22 01:16:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-11-22 01:16:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-11-22 01:16:17,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 4 [2022-11-22 01:16:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:17,267 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-11-22 01:16:17,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-22 01:16:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-22 01:16:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:16:17,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:17,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:16:17,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:16:17,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:16:17,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash 9507520, now seen corresponding path program 1 times [2022-11-22 01:16:17,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:17,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125970955] [2022-11-22 01:16:17,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:17,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:17,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:17,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125970955] [2022-11-22 01:16:17,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125970955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:17,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:17,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:16:17,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45008548] [2022-11-22 01:16:17,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:17,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:16:17,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:16:17,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:16:17,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:16:17,558 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. 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) [2022-11-22 01:16:17,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:17,639 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-22 01:16:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:16:17,640 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 [2022-11-22 01:16:17,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:17,640 INFO L225 Difference]: With dead ends: 16 [2022-11-22 01:16:17,640 INFO L226 Difference]: Without dead ends: 14 [2022-11-22 01:16:17,641 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 [2022-11-22 01:16:17,642 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:17,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:16:17,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-22 01:16:17,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-22 01:16:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-22 01:16:17,646 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2022-11-22 01:16:17,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:17,646 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-22 01:16:17,646 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) [2022-11-22 01:16:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-22 01:16:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:16:17,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:17,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:16:17,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:16:17,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:16:17,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:17,648 INFO L85 PathProgramCache]: Analyzing trace with hash -229175748, now seen corresponding path program 1 times [2022-11-22 01:16:17,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:17,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994868667] [2022-11-22 01:16:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:17,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:17,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:17,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994868667] [2022-11-22 01:16:17,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994868667] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:16:17,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451758963] [2022-11-22 01:16:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:17,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:16:17,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:16:17,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:16:17,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:16:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:16:18,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:18,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:16:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:18,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451758963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:16:18,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562387908] [2022-11-22 01:16:18,302 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:16:18,302 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:16:18,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:16:18,312 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:16:18,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:16:18,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:18,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,455 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-22 01:16:20,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-11-22 01:16:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:20,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-11-22 01:16:20,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:20,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:20,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-22 01:16:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-22 01:16:21,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-11-22 01:16:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-22 01:16:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:21,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-22 01:16:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-11-22 01:16:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-11-22 01:16:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:22,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-11-22 01:16:24,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,748 INFO L217 Elim1Store]: Index analysis took 201 ms [2022-11-22 01:16:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:24,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:26,333 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-22 01:16:26,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2044 treesize of output 1876 [2022-11-22 01:16:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:26,788 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-22 01:16:26,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-11-22 01:16:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:26,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:27,064 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-22 01:16:27,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-11-22 01:16:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:27,336 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-22 01:16:27,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-11-22 01:16:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:27,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:27,699 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-22 01:16:27,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 43 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-11-22 01:16:35,757 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:16:35,758 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:16:35,825 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:16:35,825 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:16:35,892 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:16:35,893 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:16:36,239 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:16:36,240 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:16:36,327 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:16:36,328 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:16:36,387 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:16:36,387 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:16:36,619 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:16:42,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [562387908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:42,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:16:42,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-22 01:16:42,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673750733] [2022-11-22 01:16:42,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:42,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:16:42,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:16:42,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:16:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:16:42,005 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:53,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:53,950 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-22 01:16:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:16:53,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:16:53,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:53,953 INFO L225 Difference]: With dead ends: 27 [2022-11-22 01:16:53,953 INFO L226 Difference]: Without dead ends: 23 [2022-11-22 01:16:53,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:16:53,954 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:53,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:16:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-22 01:16:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-22 01:16:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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) [2022-11-22 01:16:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-22 01:16:53,964 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 7 [2022-11-22 01:16:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:53,964 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-22 01:16:53,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-22 01:16:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:16:53,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:53,965 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-22 01:16:53,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:16:54,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:16:54,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:16:54,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2146976529, now seen corresponding path program 1 times [2022-11-22 01:16:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:16:54,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400622768] [2022-11-22 01:16:54,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:54,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:16:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:16:54,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:16:54,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400622768] [2022-11-22 01:16:54,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400622768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:16:54,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949006943] [2022-11-22 01:16:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:16:54,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:16:54,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:16:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:16:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:54,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:16:54,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:16:54,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:16:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:16:54,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949006943] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:16:54,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [82424953] [2022-11-22 01:16:54,647 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-22 01:16:54,648 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:16:54,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:16:54,648 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:16:54,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:16:54,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:54,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:54,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,305 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-22 01:16:56,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-11-22 01:16:56,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-11-22 01:16:56,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:16:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-11-22 01:16:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-22 01:16:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-22 01:16:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-22 01:16:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-22 01:16:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-11-22 01:16:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-11-22 01:16:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:57,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-11-22 01:16:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:59,569 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-22 01:16:59,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-11-22 01:16:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:16:59,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:16:59,920 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-22 01:16:59,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-11-22 01:17:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,186 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-22 01:17:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:00,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:01,372 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-22 01:17:01,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2036 treesize of output 1868 [2022-11-22 01:17:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:01,635 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-22 01:17:01,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-11-22 01:17:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:01,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:01,835 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-22 01:17:01,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-11-22 01:17:15,213 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:17:15,213 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:17:15,279 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:17:15,279 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:17:15,323 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:17:15,324 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:17:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:15,976 INFO L217 Elim1Store]: Index analysis took 160 ms [2022-11-22 01:17:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:16,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:16,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:17:17,782 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-11-22 01:17:17,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 84 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 17 case distinctions, treesize of input 1090 treesize of output 1165 [2022-11-22 01:17:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,071 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:18,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1002 treesize of output 1010 [2022-11-22 01:17:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,300 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:18,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-11-22 01:17:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,487 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:18,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-11-22 01:17:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,726 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:18,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 996 treesize of output 1004 [2022-11-22 01:17:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:18,956 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:18,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-22 01:17:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:17:19,147 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:17:19,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-22 01:18:05,878 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-22 01:19:17,815 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-22 01:19:19,077 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-22 01:20:33,283 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-22 01:20:46,290 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:20:46,290 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:20:52,879 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:20:52,879 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:20:53,012 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:20:53,012 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:21,046 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:21,046 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:21,104 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:21,105 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:21,165 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:21:21,166 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:21:21,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,465 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-22 01:21:21,465 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-22 01:21:21,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,552 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 01:21:21,552 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-11-22 01:21:21,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,643 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-22 01:21:21,643 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 1 case distinctions, treesize of input 47 treesize of output 15 [2022-11-22 01:21:21,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,686 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-22 01:21:21,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2022-11-22 01:21:21,796 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:21,796 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:21,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:21,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:22,149 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-22 01:21:22,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-11-22 01:21:23,381 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:23,382 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:26,106 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:21:26,106 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:21:26,180 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:26,180 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:26,255 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:26,255 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:26,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,517 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-22 01:21:26,518 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-22 01:21:26,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,600 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 01:21:26,601 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-11-22 01:21:26,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,712 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-22 01:21:26,712 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-22 01:21:26,805 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:26,805 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:26,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:26,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:21:27,168 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-22 01:21:27,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-11-22 01:21:28,264 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:28,264 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:29,663 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:21:29,663 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:21:29,732 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:29,732 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:29,805 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:29,806 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:30,010 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-22 01:21:30,010 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-22 01:21:30,060 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-22 01:21:30,060 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-22 01:21:30,134 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:21:30,134 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-22 01:21:30,215 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:21:31,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [82424953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:31,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:21:31,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-22 01:21:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853439426] [2022-11-22 01:21:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:31,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:31,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:31,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:31,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:21:31,878 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-22 01:21:32,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:32,011 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-22 01:21:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:32,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 14 [2022-11-22 01:21:32,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:32,012 INFO L225 Difference]: With dead ends: 21 [2022-11-22 01:21:32,012 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:21:32,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:21:32,014 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:32,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:21:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:21:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:21:32,015 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) [2022-11-22 01:21:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:21:32,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-22 01:21:32,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:32,015 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:21:32,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-22 01:21:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:21:32,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:21:32,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 01:21:32,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 01:21:32,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 01:21:32,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 01:21:32,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 01:21:32,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 01:21:32,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 01:21:32,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 01:21:32,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:21:32,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:21:32,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:21:35,449 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-22 01:21:35,450 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-22 01:21:35,450 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-22 01:21:35,450 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-22 01:21:35,450 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-22 01:21:35,450 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-22 01:21:35,451 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-22 01:21:35,451 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-22 01:21:35,451 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-22 01:21:35,451 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-22 01:21:35,451 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-22 01:21:35,451 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-11-22 01:21:35,451 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-11-22 01:21:35,452 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-11-22 01:21:35,452 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-11-22 01:21:35,452 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-11-22 01:21:35,452 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-11-22 01:21:35,452 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-11-22 01:21:35,452 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-22 01:21:35,452 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-11-22 01:21:35,453 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-11-22 01:21:35,453 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-22 01:21:35,453 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-11-22 01:21:35,453 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-11-22 01:21:35,453 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-11-22 01:21:35,453 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-11-22 01:21:35,453 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-11-22 01:21:35,454 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-11-22 01:21:35,454 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-11-22 01:21:35,454 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-11-22 01:21:35,454 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:21:35,454 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-22 01:21:35,454 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-22 01:21:35,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-22 01:21:35,455 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-22 01:21:35,455 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-22 01:21:35,455 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-11-22 01:21:35,455 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-11-22 01:21:35,455 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-11-22 01:21:35,455 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-22 01:21:35,456 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-22 01:21:35,456 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-22 01:21:35,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-22 01:21:35,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:21:35,456 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-22 01:21:35,456 INFO L902 garLoopResultBuilder]: At program point L887-1(line 887) the Hoare annotation is: true [2022-11-22 01:21:35,456 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-11-22 01:21:35,457 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-11-22 01:21:35,457 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-11-22 01:21:35,457 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-11-22 01:21:35,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-22 01:21:35,457 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-22 01:21:35,457 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-22 01:21:35,458 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-22 01:21:35,458 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-22 01:21:35,458 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-11-22 01:21:35,458 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-22 01:21:35,458 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-11-22 01:21:35,458 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-11-22 01:21:35,458 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-11-22 01:21:35,459 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-11-22 01:21:35,459 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 826) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= |ULTIMATE.start_main_~i~0#1| 3) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~j~2#1|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-11-22 01:21:35,459 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-11-22 01:21:35,460 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-11-22 01:21:35,460 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-11-22 01:21:35,460 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-22 01:21:35,460 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-22 01:21:35,460 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-11-22 01:21:35,460 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-11-22 01:21:35,460 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-11-22 01:21:35,461 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-11-22 01:21:35,461 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-11-22 01:21:35,461 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-22 01:21:35,461 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-11-22 01:21:35,461 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-11-22 01:21:35,461 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-11-22 01:21:35,461 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-11-22 01:21:35,462 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-11-22 01:21:35,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:21:35,462 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-22 01:21:35,462 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-22 01:21:35,462 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-11-22 01:21:35,462 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-11-22 01:21:35,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-22 01:21:35,463 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-11-22 01:21:35,463 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-11-22 01:21:35,463 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-11-22 01:21:35,463 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-11-22 01:21:35,463 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-11-22 01:21:35,463 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-11-22 01:21:35,464 INFO L895 garLoopResultBuilder]: At program point L819-5(lines 819 827) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-11-22 01:21:35,464 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-22 01:21:35,464 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-22 01:21:35,464 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-22 01:21:35,465 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-22 01:21:35,466 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-22 01:21:35,466 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-22 01:21:35,466 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-22 01:21:35,469 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 01:21:35,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:21:35,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:21:35 BoogieIcfgContainer [2022-11-22 01:21:35,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:21:35,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:21:35,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:21:35,494 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:21:35,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:16:14" (3/4) ... [2022-11-22 01:21:35,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:21:35,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-22 01:21:35,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:21:35,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-22 01:21:35,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-22 01:21:35,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-22 01:21:35,514 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-22 01:21:35,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-22 01:21:35,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 01:21:35,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:21:35,518 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:21:35,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:21:35,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:21:35,589 INFO L158 Benchmark]: Toolchain (without parser) took 325472.74ms. Allocated memory was 153.1MB in the beginning and 522.2MB in the end (delta: 369.1MB). Free memory was 121.4MB in the beginning and 258.7MB in the end (delta: -137.3MB). Peak memory consumption was 235.0MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,589 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:21:35,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.80ms. Allocated memory is still 153.1MB. Free memory was 120.9MB in the beginning and 94.3MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.39ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,590 INFO L158 Benchmark]: Boogie Preprocessor took 51.19ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 86.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,590 INFO L158 Benchmark]: RCFGBuilder took 3325.40ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 86.9MB in the beginning and 144.2MB in the end (delta: -57.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,591 INFO L158 Benchmark]: TraceAbstraction took 321158.07ms. Allocated memory was 205.5MB in the beginning and 522.2MB in the end (delta: 316.7MB). Free memory was 144.2MB in the beginning and 267.1MB in the end (delta: -122.8MB). Peak memory consumption was 297.7MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,591 INFO L158 Benchmark]: Witness Printer took 94.69ms. Allocated memory is still 522.2MB. Free memory was 267.1MB in the beginning and 258.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 01:21:35,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.80ms. Allocated memory is still 153.1MB. Free memory was 120.9MB in the beginning and 94.3MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.39ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.19ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 86.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3325.40ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 86.9MB in the beginning and 144.2MB in the end (delta: -57.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 321158.07ms. Allocated memory was 205.5MB in the beginning and 522.2MB in the end (delta: 316.7MB). Free memory was 144.2MB in the beginning and 267.1MB in the end (delta: -122.8MB). Peak memory consumption was 297.7MB. Max. memory is 16.1GB. * Witness Printer took 94.69ms. Allocated memory is still 522.2MB. Free memory was 267.1MB in the beginning and 258.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: 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 6 procedures, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 321.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 135 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 162 PreInvPairs, 190 NumberOfFragments, 461 HoareAnnotationTreeSize, 162 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 2562 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 2 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 27/33 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: 293.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 61, TOOLS_POST_TIME: 127.4s, 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: 61, TOOLS_QUANTIFIERELIM_TIME: 127.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 49.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 114, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME: 161.5s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 4.8s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 287.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 287.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 99, DAG_COMPRESSION_RETAINED_NODES: 53, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && i <= 3) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= j) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon RESULT: Ultimate proved your program to be correct! [2022-11-22 01:21:35,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f14db0-605f-4bd9-bf32-15300fdeb864/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE