./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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 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-2329fc7 [2022-12-14 10:01:41,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:01:41,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:01:41,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:01:41,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:01:41,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:01:41,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:01:41,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:01:41,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:01:41,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:01:41,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:01:41,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:01:41,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:01:41,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:01:41,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:01:41,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:01:41,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:01:41,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:01:41,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:01:41,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:01:41,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:01:41,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:01:41,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:01:41,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:01:41,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:01:41,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:01:41,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:01:41,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:01:41,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:01:41,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:01:41,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:01:41,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:01:41,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:01:41,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:01:41,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:01:41,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:01:41,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:01:41,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:01:41,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:01:41,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:01:41,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:01:41,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:01:41,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:01:41,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:01:41,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:01:41,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:01:41,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:01:41,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:01:41,664 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:01:41,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:01:41,665 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:01:41,665 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:01:41,665 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:01:41,665 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:01:41,665 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:01:41,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:01:41,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:01:41,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:01:41,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:01:41,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:01:41,668 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:01:41,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:01:41,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:01:41,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:01:41,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:01:41,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:01:41,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:01:41,669 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-12-14 10:01:41,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:01:41,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:01:41,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:01:41,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:01:41,866 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:01:41,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 10:01:44,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:01:44,564 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:01:44,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 10:01:44,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/ed1f88843/48852fb263714e748699fc7dc4e55bea/FLAGa60e48e60 [2022-12-14 10:01:44,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/ed1f88843/48852fb263714e748699fc7dc4e55bea [2022-12-14 10:01:44,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:01:44,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:01:44,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:01:44,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:01:44,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:01:44,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:01:44" (1/1) ... [2022-12-14 10:01:44,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3988e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:44, skipping insertion in model container [2022-12-14 10:01:44,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:01:44" (1/1) ... [2022-12-14 10:01:44,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:01:44,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:01:45,167 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 10:01:45,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:01:45,243 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:01:45,262 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 10:01:45,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:01:45,320 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:01:45,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45 WrapperNode [2022-12-14 10:01:45,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:01:45,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:01:45,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:01:45,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:01:45,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,363 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 395 [2022-12-14 10:01:45,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:01:45,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:01:45,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:01:45,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:01:45,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:01:45,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:01:45,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:01:45,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:01:45,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (1/1) ... [2022-12-14 10:01:45,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:01:45,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:01:45,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:01:45,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:01:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:01:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:01:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 10:01:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 10:01:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 10:01:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 10:01:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 10:01:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 10:01:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:01:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:01:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 10:01:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 10:01:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:01:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:01:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:01:45,606 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:01:45,608 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:01:48,052 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:01:48,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:01:48,124 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:01:48,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:01:48 BoogieIcfgContainer [2022-12-14 10:01:48,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:01:48,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:01:48,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:01:48,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:01:48,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:01:44" (1/3) ... [2022-12-14 10:01:48,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b000c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:01:48, skipping insertion in model container [2022-12-14 10:01:48,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:01:45" (2/3) ... [2022-12-14 10:01:48,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b000c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:01:48, skipping insertion in model container [2022-12-14 10:01:48,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:01:48" (3/3) ... [2022-12-14 10:01:48,132 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-12-14 10:01:48,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:01:48,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:01:48,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:01:48,188 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;@7f77a68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:01:48,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:01:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 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) [2022-12-14 10:01:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 10:01:48,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:01:48,201 INFO L195 NwaCegarLoop]: trace histogram [18, 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 10:01:48,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:01:48,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:01:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 96644470, now seen corresponding path program 1 times [2022-12-14 10:01:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:01:48,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517991330] [2022-12-14 10:01:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:01:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:01:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:01:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-14 10:01:49,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:01:49,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517991330] [2022-12-14 10:01:49,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517991330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:01:49,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:01:49,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:01:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99995723] [2022-12-14 10:01:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:01:49,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:01:49,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:01:49,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:01:49,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:01:49,470 INFO L87 Difference]: Start difference. First operand has 93 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 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 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:01:51,518 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 10:01:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:01:51,605 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2022-12-14 10:01:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:01:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 82 [2022-12-14 10:01:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:01:51,614 INFO L225 Difference]: With dead ends: 185 [2022-12-14 10:01:51,615 INFO L226 Difference]: Without dead ends: 93 [2022-12-14 10:01:51,617 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 10:01:51,620 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 2 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 232 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 10:01:51,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 232 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:01:51,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-14 10:01:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2022-12-14 10:01:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 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) [2022-12-14 10:01:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2022-12-14 10:01:51,662 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 82 [2022-12-14 10:01:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:01:51,662 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2022-12-14 10:01:51,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:01:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2022-12-14 10:01:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 10:01:51,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:01:51,666 INFO L195 NwaCegarLoop]: trace histogram [18, 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 10:01:51,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:01:51,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:01:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:01:51,668 INFO L85 PathProgramCache]: Analyzing trace with hash -527099410, now seen corresponding path program 1 times [2022-12-14 10:01:51,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:01:51,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995049673] [2022-12-14 10:01:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:01:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:01:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:01:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-14 10:01:52,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:01:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995049673] [2022-12-14 10:01:52,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995049673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:01:52,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:01:52,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:01:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261893961] [2022-12-14 10:01:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:01:52,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:01:52,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:01:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:01:52,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:01:52,488 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:01:54,528 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 10:01:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:01:54,594 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2022-12-14 10:01:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:01:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 84 [2022-12-14 10:01:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:01:54,595 INFO L225 Difference]: With dead ends: 183 [2022-12-14 10:01:54,596 INFO L226 Difference]: Without dead ends: 93 [2022-12-14 10:01:54,596 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 10:01:54,597 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 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 10:01:54,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:01:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-14 10:01:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-12-14 10:01:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 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) [2022-12-14 10:01:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2022-12-14 10:01:54,606 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 84 [2022-12-14 10:01:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:01:54,606 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2022-12-14 10:01:54,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:01:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2022-12-14 10:01:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 10:01:54,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:01:54,608 INFO L195 NwaCegarLoop]: trace histogram [18, 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 10:01:54,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:01:54,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:01:54,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:01:54,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1692608440, now seen corresponding path program 1 times [2022-12-14 10:01:54,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:01:54,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699495689] [2022-12-14 10:01:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:01:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:01:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:01:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-14 10:01:55,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:01:55,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699495689] [2022-12-14 10:01:55,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699495689] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:01:55,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873834262] [2022-12-14 10:01:55,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:01:55,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:01:55,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:01:55,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:01:55,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:01:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:01:56,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 4510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:01:56,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:01:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-14 10:01:56,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:01:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-14 10:01:56,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873834262] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:01:56,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1320451292] [2022-12-14 10:01:56,746 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-12-14 10:01:56,746 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:01:56,750 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:01:56,756 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:01:56,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:01:57,001 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 10:01:57,029 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 10:01:57,055 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 10:01:57,105 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 10:01:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:57,815 INFO L321 Elim1Store]: treesize reduction 814, result has 18.0 percent of original size [2022-12-14 10:01:57,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 case distinctions, treesize of input 64 treesize of output 216 [2022-12-14 10:01:57,885 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 10:01:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:58,077 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-12-14 10:01:58,802 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-12-14 10:01:58,802 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 [2022-12-14 10:01:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,148 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 [2022-12-14 10:01:59,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,205 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 [2022-12-14 10:01:59,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,343 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 [2022-12-14 10:01:59,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 72 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 10:01:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,694 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 338 treesize of output 365 [2022-12-14 10:01:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,817 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 119 treesize of output 129 [2022-12-14 10:01:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:01:59,906 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 132 treesize of output 142 [2022-12-14 10:02:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,979 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-12-14 10:02:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:01,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:01,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:02,121 INFO L321 Elim1Store]: treesize reduction 2046, result has 10.1 percent of original size [2022-12-14 10:02:02,122 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 2048 treesize of output 1877 [2022-12-14 10:02:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:02,418 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 10:02:02,419 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 2016 treesize of output 1967 [2022-12-14 10:02:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:02,611 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-12-14 10:02:02,612 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 2021 treesize of output 2001 [2022-12-14 10:02:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:02,818 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-12-14 10:02:02,819 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 2008 treesize of output 1959 [2022-12-14 10:02:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:02,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:02,993 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-12-14 10:02:02,994 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 2000 treesize of output 1980 [2022-12-14 10:02:06,049 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 10:02:06,049 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 60 treesize of output 59 [2022-12-14 10:02:06,102 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 10:02:06,103 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 46 [2022-12-14 10:02:06,145 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 10:02:06,145 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 59 treesize of output 30 [2022-12-14 10:02:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,764 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-12-14 10:02:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:06,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:06,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:02:07,861 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-12-14 10:02:07,862 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 [2022-12-14 10:02:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,122 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:08,123 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 [2022-12-14 10:02:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,319 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:08,320 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 [2022-12-14 10:02:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,541 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:08,542 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 [2022-12-14 10:02:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,743 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:08,744 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 [2022-12-14 10:02:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,913 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:08,914 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 [2022-12-14 10:02:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:02:09,069 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-12-14 10:02:09,070 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 [2022-12-14 10:03:36,947 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-12-14 10:05:10,468 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-12-14 10:05:11,674 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-12-14 10:06:47,285 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-12-14 10:06:59,474 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 10:06:59,475 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 59 treesize of output 30 [2022-12-14 10:07:04,638 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 10:07:04,638 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 60 treesize of output 59 [2022-12-14 10:07:04,759 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 10:07:04,760 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 46 [2022-12-14 10:07:11,062 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 10:07:11,063 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 59 treesize of output 30 [2022-12-14 10:07:11,111 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 10:07:11,111 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 46 [2022-12-14 10:07:11,160 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 10:07:11,160 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 60 treesize of output 59 [2022-12-14 10:07:11,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,304 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 10:07:11,305 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 [2022-12-14 10:07:11,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,386 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-12-14 10:07:11,387 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-12-14 10:07:11,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,461 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-12-14 10:07:11,461 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 [2022-12-14 10:07:11,541 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 10:07:11,542 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 46 [2022-12-14 10:07:11,595 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 10:07:11,596 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 60 treesize of output 59 [2022-12-14 10:07:11,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:11,832 INFO L321 Elim1Store]: treesize reduction 289, result has 37.7 percent of original size [2022-12-14 10:07:11,833 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 145 treesize of output 212 [2022-12-14 10:07:12,842 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-12-14 10:07:12,843 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 59 treesize of output 30 [2022-12-14 10:07:12,909 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-12-14 10:07:12,909 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 60 treesize of output 59 [2022-12-14 10:07:12,961 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-12-14 10:07:12,961 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 46 [2022-12-14 10:07:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:13,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:14,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,816 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 10:07:14,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 78 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 301 treesize of output 163 [2022-12-14 10:07:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,290 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:15,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-12-14 10:07:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,577 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:15,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-12-14 10:07:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,810 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:15,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-12-14 10:07:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:15,954 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:15,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-12-14 10:07:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,041 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:16,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-12-14 10:07:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,109 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:16,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-12-14 10:07:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,160 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:16,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-12-14 10:07:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,195 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 10:07:16,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-12-14 10:07:16,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 10:07:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:21,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,468 INFO L217 Elim1Store]: Index analysis took 4553 ms [2022-12-14 10:07:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:07:22,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:07:22,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 10:11:01,280 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-14 10:11:01,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-12-14 10:11:01,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-14 10:11:01,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:11:01,484 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyEliminationToAtom(QuantifierPusher.java:298) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:171) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:392) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 59 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 77 more [2022-12-14 10:11:01,494 INFO L158 Benchmark]: Toolchain (without parser) took 556548.09ms. Allocated memory was 123.7MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 88.4MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-12-14 10:11:01,494 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:11:01,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.27ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 61.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 10:11:01,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.47ms. Allocated memory is still 123.7MB. Free memory was 61.8MB in the beginning and 57.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 10:11:01,495 INFO L158 Benchmark]: Boogie Preprocessor took 52.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 57.7MB in the beginning and 121.1MB in the end (delta: -63.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-12-14 10:11:01,495 INFO L158 Benchmark]: RCFGBuilder took 2708.90ms. Allocated memory is still 148.9MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.0MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-12-14 10:11:01,495 INFO L158 Benchmark]: TraceAbstraction took 553365.77ms. Allocated memory was 148.9MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 102.3MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-12-14 10:11:01,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.27ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 61.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.47ms. Allocated memory is still 123.7MB. Free memory was 61.8MB in the beginning and 57.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 57.7MB in the beginning and 121.1MB in the end (delta: -63.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2708.90ms. Allocated memory is still 148.9MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.0MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * TraceAbstraction took 553365.77ms. Allocated memory was 148.9MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 102.3MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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 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-2329fc7 [2022-12-14 10:11:02,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:11:02,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:11:02,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:11:02,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:11:02,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:11:02,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:11:02,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:11:02,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:11:02,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:11:02,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:11:02,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:11:02,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:11:02,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:11:02,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:11:02,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:11:02,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:11:02,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:11:02,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:11:02,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:11:02,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:11:02,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:11:02,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:11:02,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:11:02,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:11:02,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:11:02,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:11:02,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:11:02,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:11:02,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:11:02,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:11:03,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:11:03,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:11:03,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:11:03,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:11:03,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:11:03,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:11:03,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:11:03,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:11:03,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:11:03,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:11:03,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 10:11:03,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:11:03,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:11:03,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:11:03,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:11:03,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:11:03,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:11:03,023 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:11:03,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:11:03,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:11:03,024 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:11:03,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:11:03,024 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:11:03,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:11:03,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:11:03,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:11:03,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:11:03,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:11:03,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:11:03,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:11:03,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:11:03,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:11:03,028 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-12-14 10:11:03,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:11:03,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:11:03,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:11:03,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:11:03,256 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:11:03,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 10:11:05,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:11:06,027 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:11:06,028 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-14 10:11:06,037 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/ea6c1c2c4/9b3efa6a78a14ca5993bfdb834e51a3f/FLAG95bf2cbce [2022-12-14 10:11:06,048 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/data/ea6c1c2c4/9b3efa6a78a14ca5993bfdb834e51a3f [2022-12-14 10:11:06,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:11:06,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:11:06,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:11:06,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:11:06,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:11:06,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548456e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06, skipping insertion in model container [2022-12-14 10:11:06,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:11:06,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:11:06,292 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 10:11:06,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:11:06,393 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:11:06,411 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_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-14 10:11:06,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:11:06,470 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:11:06,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06 WrapperNode [2022-12-14 10:11:06,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:11:06,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:11:06,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:11:06,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:11:06,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,528 INFO L138 Inliner]: procedures = 149, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 389 [2022-12-14 10:11:06,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:11:06,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:11:06,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:11:06,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:11:06,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:11:06,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:11:06,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:11:06,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:11:06,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (1/1) ... [2022-12-14 10:11:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:11:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:11:06,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:11:06,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 10:11:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:11:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 10:11:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 10:11:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 10:11:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 10:11:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 10:11:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 10:11:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 10:11:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:11:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:11:06,774 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:11:06,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:11:09,446 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:11:09,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:11:09,452 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:11:09,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:11:09 BoogieIcfgContainer [2022-12-14 10:11:09,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:11:09,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:11:09,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:11:09,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:11:09,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:11:06" (1/3) ... [2022-12-14 10:11:09,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5b406d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:11:09, skipping insertion in model container [2022-12-14 10:11:09,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:11:06" (2/3) ... [2022-12-14 10:11:09,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5b406d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:11:09, skipping insertion in model container [2022-12-14 10:11:09,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:11:09" (3/3) ... [2022-12-14 10:11:09,461 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-12-14 10:11:09,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:11:09,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:11:09,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:11:09,520 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;@1b087383, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:11:09,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:11:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 71 states have internal predecessors, (93), 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) [2022-12-14 10:11:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 10:11:09,532 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:09,533 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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 10:11:09,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:09,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:09,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2098240325, now seen corresponding path program 1 times [2022-12-14 10:11:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:09,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001785929] [2022-12-14 10:11:09,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:09,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:09,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:09,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:09,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 10:11:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:11,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 10:11:11,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-12-14 10:11:11,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:11,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:11,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001785929] [2022-12-14 10:11:11,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001785929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:11,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:11,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:11:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072348068] [2022-12-14 10:11:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:11,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:11:11,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:11,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:11:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:11:11,878 INFO L87 Difference]: Start difference. First operand has 109 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 71 states have internal predecessors, (93), 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 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:11:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:11,904 INFO L93 Difference]: Finished difference Result 216 states and 342 transitions. [2022-12-14 10:11:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:11:11,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2022-12-14 10:11:11,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:11,911 INFO L225 Difference]: With dead ends: 216 [2022-12-14 10:11:11,911 INFO L226 Difference]: Without dead ends: 105 [2022-12-14 10:11:11,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:11:11,916 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:11,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:11:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-14 10:11:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-12-14 10:11:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 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) [2022-12-14 10:11:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 149 transitions. [2022-12-14 10:11:11,953 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 149 transitions. Word has length 120 [2022-12-14 10:11:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:11,953 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 149 transitions. [2022-12-14 10:11:11,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:11:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2022-12-14 10:11:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 10:11:11,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:11,957 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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 10:11:11,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:11:12,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:12,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:12,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1535783135, now seen corresponding path program 1 times [2022-12-14 10:11:12,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:12,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681922197] [2022-12-14 10:11:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:12,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:12,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:12,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:12,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 10:11:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:14,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:11:14,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:14,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:14,478 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:14,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681922197] [2022-12-14 10:11:14,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681922197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:14,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:14,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:11:14,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269559269] [2022-12-14 10:11:14,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:14,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:11:14,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:14,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:11:14,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:11:14,481 INFO L87 Difference]: Start difference. First operand 105 states and 149 transitions. 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:14,700 INFO L93 Difference]: Finished difference Result 208 states and 296 transitions. [2022-12-14 10:11:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:11:14,703 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2022-12-14 10:11:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:14,705 INFO L225 Difference]: With dead ends: 208 [2022-12-14 10:11:14,705 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 10:11:14,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 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 10:11:14,707 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 4 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:14,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 290 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:11:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 10:11:14,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2022-12-14 10:11:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 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) [2022-12-14 10:11:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 150 transitions. [2022-12-14 10:11:14,721 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 150 transitions. Word has length 120 [2022-12-14 10:11:14,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:14,722 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 150 transitions. [2022-12-14 10:11:14,722 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2022-12-14 10:11:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 10:11:14,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:14,725 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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 10:11:14,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 10:11:14,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:14,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:14,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1689913381, now seen corresponding path program 1 times [2022-12-14 10:11:14,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:14,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489872986] [2022-12-14 10:11:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:14,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:14,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:14,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:14,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 10:11:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:11:17,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:17,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:17,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:17,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489872986] [2022-12-14 10:11:17,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489872986] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:17,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:17,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:11:17,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774126812] [2022-12-14 10:11:17,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:17,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:11:17,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:17,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:11:17,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:11:17,190 INFO L87 Difference]: Start difference. First operand 106 states and 150 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:17,266 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2022-12-14 10:11:17,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:11:17,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2022-12-14 10:11:17,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:17,267 INFO L225 Difference]: With dead ends: 211 [2022-12-14 10:11:17,267 INFO L226 Difference]: Without dead ends: 108 [2022-12-14 10:11:17,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 10:11:17,268 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:17,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 291 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:11:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-12-14 10:11:17,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2022-12-14 10:11:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 69 states have internal predecessors, (87), 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) [2022-12-14 10:11:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 151 transitions. [2022-12-14 10:11:17,279 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 151 transitions. Word has length 123 [2022-12-14 10:11:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:17,279 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 151 transitions. [2022-12-14 10:11:17,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2022-12-14 10:11:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 10:11:17,282 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:17,282 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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 10:11:17,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 10:11:17,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:17,484 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:17,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1707881315, now seen corresponding path program 1 times [2022-12-14 10:11:17,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:17,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430739416] [2022-12-14 10:11:17,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:17,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:17,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:17,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 10:11:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:19,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:11:19,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:19,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:19,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:19,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430739416] [2022-12-14 10:11:19,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430739416] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:19,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2006701483] [2022-12-14 10:11:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 10:11:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 10:11:19,852 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 10:11:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-12-14 10:11:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:22,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:11:22,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:22,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-14 10:11:22,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2006701483] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:22,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288653064] [2022-12-14 10:11:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:22,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:11:22,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:11:22,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:11:22,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 10:11:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:23,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:11:23,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-12-14 10:11:23,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-12-14 10:11:23,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288653064] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:23,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 10:11:23,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 10 [2022-12-14 10:11:23,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569428230] [2022-12-14 10:11:23,450 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 10:11:23,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:11:23,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:23,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:11:23,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:11:23,452 INFO L87 Difference]: Start difference. First operand 107 states and 151 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-12-14 10:11:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:24,404 INFO L93 Difference]: Finished difference Result 233 states and 331 transitions. [2022-12-14 10:11:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:11:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 125 [2022-12-14 10:11:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:24,407 INFO L225 Difference]: With dead ends: 233 [2022-12-14 10:11:24,407 INFO L226 Difference]: Without dead ends: 129 [2022-12-14 10:11:24,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 736 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-12-14 10:11:24,408 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 24 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:24,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 861 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 10:11:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-14 10:11:24,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2022-12-14 10:11:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 91 states have internal predecessors, (111), 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) [2022-12-14 10:11:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 175 transitions. [2022-12-14 10:11:24,415 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 175 transitions. Word has length 125 [2022-12-14 10:11:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:24,415 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 175 transitions. [2022-12-14 10:11:24,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-12-14 10:11:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2022-12-14 10:11:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 10:11:24,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:24,417 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 3, 3, 3, 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 10:11:24,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 10:11:24,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 10:11:24,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2022-12-14 10:11:25,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 10:11:25,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:25,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1182274399, now seen corresponding path program 2 times [2022-12-14 10:11:25,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:25,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986612224] [2022-12-14 10:11:25,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 10:11:25,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:25,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:25,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:25,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 10:11:27,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-14 10:11:27,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 10:11:27,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 10:11:27,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2022-12-14 10:11:27,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:27,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:27,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986612224] [2022-12-14 10:11:27,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986612224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:27,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:27,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:11:27,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24089986] [2022-12-14 10:11:27,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:27,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:11:27,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:11:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:11:27,760 INFO L87 Difference]: Start difference. First operand 129 states and 175 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:27,812 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2022-12-14 10:11:27,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:11:27,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2022-12-14 10:11:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:27,817 INFO L225 Difference]: With dead ends: 225 [2022-12-14 10:11:27,817 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 10:11:27,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:11:27,819 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 74 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:27,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 519 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:11:27,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 10:11:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-12-14 10:11:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 127 states have (on average 1.2598425196850394) internal successors, (160), 127 states have internal predecessors, (160), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-12-14 10:11:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 254 transitions. [2022-12-14 10:11:27,871 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 254 transitions. Word has length 147 [2022-12-14 10:11:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:27,871 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 254 transitions. [2022-12-14 10:11:27,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 10:11:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 254 transitions. [2022-12-14 10:11:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-14 10:11:27,874 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:27,875 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:27,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 10:11:28,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:28,077 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2063510765, now seen corresponding path program 1 times [2022-12-14 10:11:28,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:28,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602037695] [2022-12-14 10:11:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:28,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:28,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:28,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 10:11:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:31,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 10:11:31,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-12-14 10:11:31,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:31,331 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:31,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602037695] [2022-12-14 10:11:31,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602037695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:31,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:31,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:11:31,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977471066] [2022-12-14 10:11:31,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:31,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:11:31,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:31,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:11:31,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:11:31,333 INFO L87 Difference]: Start difference. First operand 183 states and 254 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-14 10:11:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:31,362 INFO L93 Difference]: Finished difference Result 326 states and 457 transitions. [2022-12-14 10:11:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:11:31,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 216 [2022-12-14 10:11:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:31,365 INFO L225 Difference]: With dead ends: 326 [2022-12-14 10:11:31,365 INFO L226 Difference]: Without dead ends: 183 [2022-12-14 10:11:31,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 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 10:11:31,366 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:31,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:11:31,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-12-14 10:11:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-12-14 10:11:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 127 states have internal predecessors, (159), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-12-14 10:11:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 253 transitions. [2022-12-14 10:11:31,383 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 253 transitions. Word has length 216 [2022-12-14 10:11:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:31,384 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 253 transitions. [2022-12-14 10:11:31,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-14 10:11:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 253 transitions. [2022-12-14 10:11:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-14 10:11:31,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:31,388 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 10:11:31,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:31,589 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:31,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash -73547851, now seen corresponding path program 1 times [2022-12-14 10:11:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:31,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493999963] [2022-12-14 10:11:31,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:31,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:31,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:31,591 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:31,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 10:11:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:34,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 10:11:34,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-12-14 10:11:34,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-12-14 10:11:35,303 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:35,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493999963] [2022-12-14 10:11:35,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493999963] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:35,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1598823750] [2022-12-14 10:11:35,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:35,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 10:11:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 10:11:35,305 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 10:11:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-14 10:11:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:38,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 10:11:38,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 9 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2022-12-14 10:11:38,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-12-14 10:11:38,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1598823750] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:38,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016918343] [2022-12-14 10:11:38,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:11:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:11:38,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:11:38,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 10:11:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:40,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 10:11:40,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-12-14 10:11:40,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:11:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-12-14 10:11:40,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016918343] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:11:40,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 10:11:40,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 8, 5, 6, 5] total 10 [2022-12-14 10:11:40,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090630877] [2022-12-14 10:11:40,403 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 10:11:40,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:11:40,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:40,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:11:40,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:11:40,406 INFO L87 Difference]: Start difference. First operand 183 states and 253 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) [2022-12-14 10:11:42,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:11:44,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:11:46,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:11:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:11:53,566 INFO L93 Difference]: Finished difference Result 492 states and 708 transitions. [2022-12-14 10:11:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 10:11:53,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) Word has length 234 [2022-12-14 10:11:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:11:53,570 INFO L225 Difference]: With dead ends: 492 [2022-12-14 10:11:53,570 INFO L226 Difference]: Without dead ends: 342 [2022-12-14 10:11:53,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1409 GetRequests, 1395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:11:53,572 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 140 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 94 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:11:53,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 601 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 586 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2022-12-14 10:11:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-12-14 10:11:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 335. [2022-12-14 10:11:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 228 states have (on average 1.25) internal successors, (285), 233 states have internal predecessors, (285), 75 states have call successors, (75), 26 states have call predecessors, (75), 31 states have return successors, (103), 75 states have call predecessors, (103), 75 states have call successors, (103) [2022-12-14 10:11:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 463 transitions. [2022-12-14 10:11:53,608 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 463 transitions. Word has length 234 [2022-12-14 10:11:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:11:53,608 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 463 transitions. [2022-12-14 10:11:53,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) [2022-12-14 10:11:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 463 transitions. [2022-12-14 10:11:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-14 10:11:53,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:11:53,613 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:53,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-14 10:11:53,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2022-12-14 10:11:54,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 10:11:54,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:54,217 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:11:54,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:11:54,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1167496811, now seen corresponding path program 1 times [2022-12-14 10:11:54,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:11:54,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439273069] [2022-12-14 10:11:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:11:54,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:11:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:11:54,222 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:11:54,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 10:11:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:11:58,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 3499 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 10:11:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:11:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-12-14 10:11:59,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:11:59,209 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:11:59,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439273069] [2022-12-14 10:11:59,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439273069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:11:59,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:11:59,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:11:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159345093] [2022-12-14 10:11:59,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:11:59,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:11:59,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:11:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:11:59,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:11:59,212 INFO L87 Difference]: Start difference. First operand 335 states and 463 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 10:12:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:12:04,993 INFO L93 Difference]: Finished difference Result 877 states and 1252 transitions. [2022-12-14 10:12:04,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 10:12:04,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 234 [2022-12-14 10:12:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:12:04,997 INFO L225 Difference]: With dead ends: 877 [2022-12-14 10:12:04,997 INFO L226 Difference]: Without dead ends: 579 [2022-12-14 10:12:04,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:12:04,999 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 307 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:12:04,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 486 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 10:12:05,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2022-12-14 10:12:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 549. [2022-12-14 10:12:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 363 states have (on average 1.159779614325069) internal successors, (421), 364 states have internal predecessors, (421), 133 states have call successors, (133), 38 states have call predecessors, (133), 52 states have return successors, (206), 146 states have call predecessors, (206), 133 states have call successors, (206) [2022-12-14 10:12:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 760 transitions. [2022-12-14 10:12:05,039 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 760 transitions. Word has length 234 [2022-12-14 10:12:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:12:05,039 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 760 transitions. [2022-12-14 10:12:05,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 10:12:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 760 transitions. [2022-12-14 10:12:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-14 10:12:05,041 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:12:05,042 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:05,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-12-14 10:12:05,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:12:05,243 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:12:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:12:05,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1175495785, now seen corresponding path program 1 times [2022-12-14 10:12:05,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:12:05,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961322650] [2022-12-14 10:12:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:12:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:12:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:12:05,251 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:12:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a1fd161-e8eb-4d0a-b83b-d8373cd5086b/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-14 10:12:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:12:46,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 3490 conjuncts, 909 conjunts are in the unsatisfiable core [2022-12-14 10:12:46,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:12:46,921 INFO L321 Elim1Store]: treesize reduction 130, result has 13.9 percent of original size [2022-12-14 10:12:46,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 81 [2022-12-14 10:12:47,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-12-14 10:12:47,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-12-14 10:12:48,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 10:12:48,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2022-12-14 10:12:49,501 INFO L321 Elim1Store]: treesize reduction 19, result has 45.7 percent of original size [2022-12-14 10:12:49,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 53 [2022-12-14 10:12:49,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2022-12-14 10:12:53,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-12-14 10:12:53,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2022-12-14 10:12:54,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-12-14 10:12:54,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-12-14 10:12:55,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-12-14 10:12:55,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-12-14 10:12:56,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-12-14 10:12:58,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-12-14 10:12:58,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-12-14 10:12:58,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 10:12:58,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2022-12-14 10:13:07,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-12-14 10:13:07,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2022-12-14 10:13:08,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-12-14 10:13:24,716 INFO L217 Elim1Store]: Index analysis took 127 ms