./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:02:31,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:02:31,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:02:31,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:02:31,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:02:31,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:02:31,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:02:31,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:02:31,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:02:31,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:02:31,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:02:31,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:02:31,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:02:31,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:02:31,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:02:31,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:02:31,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:02:31,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:02:31,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:02:31,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:02:31,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:02:31,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:02:31,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:02:31,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:02:31,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:02:31,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:02:31,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:02:31,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:02:31,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:02:31,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:02:31,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:02:31,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:02:31,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:02:31,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:02:31,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:02:31,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:02:31,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:02:31,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:02:31,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:02:31,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:02:31,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:02:31,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 15:02:31,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:02:31,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:02:31,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:02:31,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:02:31,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:02:31,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:02:31,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:02:31,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:02:31,420 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:02:31,420 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:02:31,420 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:02:31,420 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:02:31,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:02:31,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:02:31,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:02:31,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:02:31,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:02:31,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:02:31,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:02:31,423 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_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2022-12-14 15:02:31,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:02:31,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:02:31,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:02:31,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:02:31,609 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:02:31,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_lamport.i [2022-12-14 15:02:34,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:02:34,466 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:02:34,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/sv-benchmarks/c/seq-pthread/cs_lamport.i [2022-12-14 15:02:34,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/data/0bdaeda32/9c00671724454484881bd8d99730fda2/FLAG9be23e0b1 [2022-12-14 15:02:34,487 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/data/0bdaeda32/9c00671724454484881bd8d99730fda2 [2022-12-14 15:02:34,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:02:34,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:02:34,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:02:34,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:02:34,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:02:34,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667762f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34, skipping insertion in model container [2022-12-14 15:02:34,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:02:34,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:02:34,730 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_f33af903-90e4-4123-9c83-5cb89b116480/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2022-12-14 15:02:34,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:02:34,803 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:02:34,819 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_f33af903-90e4-4123-9c83-5cb89b116480/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2022-12-14 15:02:34,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:02:34,872 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:02:34,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34 WrapperNode [2022-12-14 15:02:34,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:02:34,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:02:34,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:02:34,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:02:34,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,921 INFO L138 Inliner]: procedures = 145, calls = 351, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 461 [2022-12-14 15:02:34,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:02:34,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:02:34,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:02:34,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:02:34,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:02:34,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:02:34,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:02:34,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:02:34,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (1/1) ... [2022-12-14 15:02:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:02:34,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:02:34,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:02:34,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:02:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:02:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 15:02:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 15:02:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 15:02:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 15:02:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:02:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:02:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:02:35,144 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:02:35,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:02:37,673 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:02:37,754 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:02:37,754 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 15:02:37,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:02:37 BoogieIcfgContainer [2022-12-14 15:02:37,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:02:37,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:02:37,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:02:37,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:02:37,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:02:34" (1/3) ... [2022-12-14 15:02:37,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ffe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:02:37, skipping insertion in model container [2022-12-14 15:02:37,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:02:34" (2/3) ... [2022-12-14 15:02:37,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ffe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:02:37, skipping insertion in model container [2022-12-14 15:02:37,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:02:37" (3/3) ... [2022-12-14 15:02:37,764 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2022-12-14 15:02:37,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:02:37,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:02:37,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:02:37,822 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;@6f601abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:02:37,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:02:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 15:02:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 15:02:37,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:02:37,836 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:02:37,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:02:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:02:37,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1281861043, now seen corresponding path program 1 times [2022-12-14 15:02:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:02:37,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041304742] [2022-12-14 15:02:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:02:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:03:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:06:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 15:06:23,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:06:23,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041304742] [2022-12-14 15:06:23,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041304742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:06:23,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:06:23,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:06:23,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641673244] [2022-12-14 15:06:23,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:06:23,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:06:23,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:06:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:06:23,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:06:23,051 INFO L87 Difference]: Start difference. First operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 15:06:25,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:06:25,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:06:25,207 INFO L93 Difference]: Finished difference Result 201 states and 287 transitions. [2022-12-14 15:06:25,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:06:25,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 98 [2022-12-14 15:06:25,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:06:25,214 INFO L225 Difference]: With dead ends: 201 [2022-12-14 15:06:25,214 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 15:06:25,216 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 [2022-12-14 15:06:25,218 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 2 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 256 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 [2022-12-14 15:06:25,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 15:06:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 15:06:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2022-12-14 15:06:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 15:06:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2022-12-14 15:06:25,251 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 98 [2022-12-14 15:06:25,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:06:25,251 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2022-12-14 15:06:25,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 15:06:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2022-12-14 15:06:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 15:06:25,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:06:25,254 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:06:25,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:06:25,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:06:25,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:06:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash 23270395, now seen corresponding path program 1 times [2022-12-14 15:06:25,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:06:25,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104925066] [2022-12-14 15:06:25,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:06:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:07:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:10:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 15:10:45,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:10:45,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104925066] [2022-12-14 15:10:45,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104925066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:10:45,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:10:45,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:10:45,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86488180] [2022-12-14 15:10:45,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:10:45,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:10:45,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:10:45,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:10:45,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:10:45,136 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 15:10:47,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:10:47,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:10:47,239 INFO L93 Difference]: Finished difference Result 199 states and 284 transitions. [2022-12-14 15:10:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:10:47,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 100 [2022-12-14 15:10:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:10:47,241 INFO L225 Difference]: With dead ends: 199 [2022-12-14 15:10:47,241 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 15:10:47,242 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 [2022-12-14 15:10:47,243 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:10:47,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 15:10:47,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 15:10:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-12-14 15:10:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 15:10:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2022-12-14 15:10:47,251 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 100 [2022-12-14 15:10:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:10:47,251 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2022-12-14 15:10:47,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 15:10:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2022-12-14 15:10:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 15:10:47,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:10:47,254 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:10:47,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:10:47,254 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:10:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:10:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1835498503, now seen corresponding path program 1 times [2022-12-14 15:10:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:10:47,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550726531] [2022-12-14 15:10:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:10:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:11:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:15:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 15:15:30,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:15:30,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550726531] [2022-12-14 15:15:30,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550726531] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:15:30,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524879875] [2022-12-14 15:15:30,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:15:30,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:15:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:15:30,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:15:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33af903-90e4-4123-9c83-5cb89b116480/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:16:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:16:04,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 101534 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:16:04,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:16:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 15:16:04,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:16:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-14 15:16:04,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524879875] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:16:04,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1943872750] [2022-12-14 15:16:04,772 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2022-12-14 15:16:04,772 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:16:04,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:16:04,781 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:16:04,781 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:16:05,009 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 [2022-12-14 15:16:05,029 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 [2022-12-14 15:16:05,047 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 [2022-12-14 15:16:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:05,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,292 INFO L321 Elim1Store]: treesize reduction 2382, result has 13.2 percent of original size [2022-12-14 15:16:07,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 80 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 113 case distinctions, treesize of input 204 treesize of output 517 [2022-12-14 15:16:07,456 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 [2022-12-14 15:16:07,488 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 [2022-12-14 15:16:07,521 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 [2022-12-14 15:16:07,552 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 [2022-12-14 15:16:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 163 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 124 [2022-12-14 15:16:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 69 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 [2022-12-14 15:16:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 84 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 129 [2022-12-14 15:16:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 32 select indices, 32 select index equivalence classes, 174 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 420 [2022-12-14 15:16:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 111 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 151 [2022-12-14 15:16:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:08,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 199 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 471 [2022-12-14 15:16:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 69 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 129 [2022-12-14 15:16:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:09,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 69 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 142 [2022-12-14 15:16:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,433 INFO L217 Elim1Store]: Index analysis took 230 ms [2022-12-14 15:16:11,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:11,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:11,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:13,113 INFO L321 Elim1Store]: treesize reduction 2954, result has 9.2 percent of original size [2022-12-14 15:16:13,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 125 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 204 case distinctions, treesize of input 2716 treesize of output 2489 [2022-12-14 15:16:13,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:13,579 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 15:16:13,580 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 2684 treesize of output 2635 [2022-12-14 15:16:13,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:13,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:13,892 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-12-14 15:16:13,893 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 2689 treesize of output 2669 [2022-12-14 15:16:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:16:14,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:16:14,228 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 15:16:14,228 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 2676 treesize of output 2627