./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:37:48,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:37:48,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:37:48,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:37:48,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:37:48,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:37:48,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:37:48,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:37:48,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:37:48,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:37:48,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:37:48,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:37:48,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:37:48,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:37:48,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:37:48,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:37:48,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:37:48,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:37:48,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:37:48,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:37:48,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:37:48,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:37:48,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:37:48,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:37:48,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:37:48,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:37:48,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:37:48,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:37:48,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:37:48,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:37:48,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:37:48,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:37:48,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:37:48,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:37:48,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:37:48,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:37:48,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:37:48,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:37:48,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:37:48,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:37:48,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:37:48,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:37:48,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:37:48,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:37:48,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:37:48,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:37:49,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:37:49,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:37:49,000 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:37:49,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:37:49,001 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:37:49,001 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:37:49,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:37:49,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:37:49,003 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:37:49,003 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:37:49,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:37:49,003 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:37:49,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:37:49,004 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:37:49,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:37:49,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:37:49,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:37:49,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:37:49,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:37:49,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:37:49,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:37:49,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:37:49,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:37:49,008 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:37:49,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:37:49,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:37:49,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:37:49,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:37:49,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:37:49,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:37:49,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:37:49,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:37:49,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:37:49,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:37:49,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:37:49,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:37:49,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:37:49,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:37:49,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:37:49,012 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 [2021-11-23 03:37:49,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:37:49,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:37:49,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:37:49,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:37:49,411 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:37:49,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2021-11-23 03:37:49,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/data/228c6c666/13158cec514046e580190af45761e8a3/FLAG5f74ba70f [2021-11-23 03:37:50,203 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:37:50,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2021-11-23 03:37:50,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/data/228c6c666/13158cec514046e580190af45761e8a3/FLAG5f74ba70f [2021-11-23 03:37:50,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/data/228c6c666/13158cec514046e580190af45761e8a3 [2021-11-23 03:37:50,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:37:50,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:37:50,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:50,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:37:50,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:37:50,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:50" (1/1) ... [2021-11-23 03:37:50,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8cc6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:50, skipping insertion in model container [2021-11-23 03:37:50,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:50" (1/1) ... [2021-11-23 03:37:50,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:37:50,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:37:51,101 WARN L230 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_b50251b6-8203-4ac0-9ea7-f62d47846d1d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i[33021,33034] [2021-11-23 03:37:51,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:37:51,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:37:51,300 WARN L230 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_b50251b6-8203-4ac0-9ea7-f62d47846d1d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i[33021,33034] [2021-11-23 03:37:51,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:37:51,417 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:37:51,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51 WrapperNode [2021-11-23 03:37:51,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:51,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:37:51,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:37:51,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:37:51,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,530 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-23 03:37:51,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:37:51,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:37:51,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:37:51,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:37:51,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:37:51,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:37:51,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:37:51,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:37:51,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 03:37:51,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:37:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:51,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:37:51,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:37:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:37:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:37:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:37:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:37:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:37:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:37:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:37:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:37:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:37:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:37:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:37:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:37:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:37:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:37:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:37:51,928 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:37:51,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:37:53,225 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:37:53,617 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:37:53,617 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 03:37:53,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:53 BoogieIcfgContainer [2021-11-23 03:37:53,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:37:53,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:37:53,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:37:53,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:37:53,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:50" (1/3) ... [2021-11-23 03:37:53,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5aff2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:53, skipping insertion in model container [2021-11-23 03:37:53,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (2/3) ... [2021-11-23 03:37:53,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5aff2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:53, skipping insertion in model container [2021-11-23 03:37:53,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:53" (3/3) ... [2021-11-23 03:37:53,638 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-1.i [2021-11-23 03:37:53,645 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:37:53,645 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 03:37:53,714 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:37:53,729 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:37:53,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 03:37:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:37:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:37:53,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:53,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:37:53,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:37:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-23 03:37:53,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:53,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926368683] [2021-11-23 03:37:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:53,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:53,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:53,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178261432] [2021-11-23 03:37:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:53,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:53,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:53,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:53,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:37:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:54,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:37:54,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:37:54,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:54,133 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:54,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926368683] [2021-11-23 03:37:54,133 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:54,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178261432] [2021-11-23 03:37:54,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178261432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:54,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:54,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:37:54,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494516667] [2021-11-23 03:37:54,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:54,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:37:54,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:54,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:37:54,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:54,193 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:55,805 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-23 03:37:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-23 03:37:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:55,843 INFO L225 Difference]: With dead ends: 230 [2021-11-23 03:37:55,843 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 03:37:55,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:55,851 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:55,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:37:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 03:37:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 03:37:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:37:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 03:37:55,907 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 03:37:55,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:55,907 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 03:37:55,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 03:37:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 03:37:55,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:55,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:55,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:37:56,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:37:56,138 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:37:56,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-23 03:37:56,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:56,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167633933] [2021-11-23 03:37:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:56,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:56,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:56,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625155119] [2021-11-23 03:37:56,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:56,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:56,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:56,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:56,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:37:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:56,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:37:56,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:37:56,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:56,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:56,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167633933] [2021-11-23 03:37:56,596 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:56,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625155119] [2021-11-23 03:37:56,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625155119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:56,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:56,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:37:56,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188845600] [2021-11-23 03:37:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:56,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:56,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:56,604 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:58,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:37:58,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:58,839 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 03:37:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:37:58,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-23 03:37:58,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:58,849 INFO L225 Difference]: With dead ends: 141 [2021-11-23 03:37:58,849 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 03:37:58,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:58,851 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:58,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:37:58,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 03:37:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 03:37:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:37:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 03:37:58,876 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 03:37:58,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:58,877 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 03:37:58,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 03:37:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:37:58,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:58,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:58,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:37:59,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:59,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:37:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-23 03:37:59,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:59,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368893392] [2021-11-23 03:37:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:59,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:59,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:59,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066833949] [2021-11-23 03:37:59,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:59,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:59,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:59,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:37:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:59,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:37:59,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:37:59,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:59,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:59,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368893392] [2021-11-23 03:37:59,410 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:59,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066833949] [2021-11-23 03:37:59,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066833949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:59,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:59,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:37:59,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619256366] [2021-11-23 03:37:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:59,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:59,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:59,416 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:00,298 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 03:38:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:38:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-23 03:38:00,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:00,308 INFO L225 Difference]: With dead ends: 138 [2021-11-23 03:38:00,309 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:38:00,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:38:00,311 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:00,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 03:38:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:38:00,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:38:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:38:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 03:38:00,333 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 03:38:00,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:00,334 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 03:38:00,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 03:38:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:38:00,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:00,336 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:00,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 03:38:00,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:00,562 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:38:00,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-23 03:38:00,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:00,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180478679] [2021-11-23 03:38:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:00,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:00,598 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:38:00,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593214629] [2021-11-23 03:38:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:00,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:00,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:00,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:38:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:00,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:38:00,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:38:00,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:38:00,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:00,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180478679] [2021-11-23 03:38:00,990 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:38:00,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593214629] [2021-11-23 03:38:00,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593214629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:00,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:00,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:00,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446418638] [2021-11-23 03:38:00,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:00,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:00,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:00,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:00,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:00,993 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:02,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:38:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:02,781 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 03:38:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:02,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 03:38:02,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:02,790 INFO L225 Difference]: With dead ends: 246 [2021-11-23 03:38:02,790 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 03:38:02,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:02,793 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:02,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:38:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 03:38:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 03:38:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:38:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 03:38:02,813 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 03:38:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:02,814 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 03:38:02,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 03:38:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 03:38:02,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:02,816 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:02,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:38:03,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:03,030 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:38:03,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-23 03:38:03,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:03,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435451904] [2021-11-23 03:38:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:03,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:03,060 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:38:03,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355559485] [2021-11-23 03:38:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:03,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:03,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:03,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:38:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:03,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:38:03,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:38:03,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:38:03,864 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:03,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435451904] [2021-11-23 03:38:03,864 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:38:03,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355559485] [2021-11-23 03:38:03,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355559485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:03,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:03,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:38:03,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533629861] [2021-11-23 03:38:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:03,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:38:03,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:38:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:38:03,868 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:38:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:04,516 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 03:38:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:38:04,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-11-23 03:38:04,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:04,523 INFO L225 Difference]: With dead ends: 252 [2021-11-23 03:38:04,523 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:38:04,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:38:04,526 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:04,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 03:38:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:38:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:38:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 03:38:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 03:38:04,547 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 03:38:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:04,547 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 03:38:04,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:38:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 03:38:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 03:38:04,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:04,550 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:04,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:38:04,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:04,778 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:38:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-23 03:38:04,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:04,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692344259] [2021-11-23 03:38:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:04,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:04,797 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:38:04,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170503384] [2021-11-23 03:38:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:04,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:38:04,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:04,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:38:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b50251b6-8203-4ac0-9ea7-f62d47846d1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:38:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:08,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 03:38:08,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:38:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:38:08,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:38:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:38:08,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:08,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692344259] [2021-11-23 03:38:08,661 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:38:08,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170503384] [2021-11-23 03:38:08,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170503384] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:38:08,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1880463185] [2021-11-23 03:38:08,687 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 03:38:08,687 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:38:08,692 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:38:08,699 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:38:08,699 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:38:08,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:38:08,920 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:38:08,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 03:38:08,948 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:38:08,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-23 03:38:08,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:38:09,027 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:38:09,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 03:38:09,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 03:38:09,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 03:38:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:38:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:38:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:38:09,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-23 03:38:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:38:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:38:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 03:38:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:38:09,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:38:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:38:09,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:38:10,063 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:38:10,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 03:38:10,146 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:38:10,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 03:38:10,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:38:10,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 03:38:10,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:38:10,336 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:38:10,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 03:38:10,368 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:38:10,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 03:38:10,401 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:38:10,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 03:38:10,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:38:10,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:38:10,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:38:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:38:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:38:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:38:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:38:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:38:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:10,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:38:18,928 WARN L227 SmtUtils]: Spent 7.98s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:38:18,929 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:38:18,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2841 treesize of output 2318 [2021-11-23 03:38:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:31,304 WARN L227 SmtUtils]: Spent 12.26s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:38:31,305 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:38:31,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2942 treesize of output 2660 [2021-11-23 03:38:44,945 WARN L227 SmtUtils]: Spent 13.51s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:38:44,946 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:38:44,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2910 treesize of output 2680 [2021-11-23 03:38:46,982 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 03:38:46,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25948 treesize of output 25976 [2021-11-23 03:38:47,691 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:38:47,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25958 treesize of output 25969 [2021-11-23 03:38:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:48,553 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:38:48,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:38:48,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,085 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:38:49,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 03:38:49,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:49,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 03:38:49,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,651 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 03:38:49,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 03:38:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,838 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:38:49,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 03:38:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:50,001 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 03:38:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-23 03:38:50,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:50,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:50,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:50,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 03:38:50,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:51,268 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-23 03:38:52,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:38:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 03:39:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:08,082 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-23 03:39:08,304 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 03:39:08,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 03:39:08,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:08,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:08,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:08,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:08,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:09,044 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-23 03:39:09,153 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:39:09,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1715 treesize of output 1483 [2021-11-23 03:39:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:09,603 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-11-23 03:39:11,043 INFO L354 Elim1Store]: treesize reduction 881, result has 53.0 percent of original size [2021-11-23 03:39:11,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1736 treesize of output 2259 [2021-11-23 03:39:11,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:11,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:12,613 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-23 03:39:12,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1715 treesize of output 1627 [2021-11-23 03:39:12,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:12,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:13,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1697 treesize of output 1247 [2021-11-23 03:39:13,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:14,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:16,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:27,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:27,538 INFO L244 Elim1Store]: Index analysis took 264 ms [2021-11-23 03:39:33,030 WARN L227 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:39:33,031 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 03:39:33,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 458493 treesize of output 456565 [2021-11-23 03:44:06,453 WARN L227 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 1506 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:50:01,517 WARN L227 SmtUtils]: Spent 11.18s on a formula simplification. DAG size of input: 1621 DAG size of output: 1621 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)