./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 20:53:45,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:53:45,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:53:45,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:53:45,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:53:45,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:53:45,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:53:45,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:53:45,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:53:45,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:53:45,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:53:45,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:53:45,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:53:45,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:53:45,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:53:45,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:53:45,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:53:45,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:53:45,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:53:45,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:53:45,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:53:45,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:53:45,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:53:45,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:53:45,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:53:45,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:53:45,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:53:45,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:53:45,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:53:45,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:53:45,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:53:45,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:53:45,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:53:45,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:53:45,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:53:45,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:53:45,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:53:45,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:53:45,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:53:45,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:53:45,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:53:45,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 20:53:45,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:53:45,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:53:45,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:53:45,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:53:45,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:53:45,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:53:45,539 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:53:45,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:53:45,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:53:45,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:53:45,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:53:45,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:53:45,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:53:45,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-07 20:53:45,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:53:45,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:53:45,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:53:45,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:53:45,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:53:45,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-07 20:53:45,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71430e8e3/149273949ba4427eb31cac62b6e0470d/FLAG11e968ad3 [2021-11-07 20:53:46,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:53:46,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-07 20:53:46,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71430e8e3/149273949ba4427eb31cac62b6e0470d/FLAG11e968ad3 [2021-11-07 20:53:46,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71430e8e3/149273949ba4427eb31cac62b6e0470d [2021-11-07 20:53:46,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:53:46,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:53:46,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:53:46,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:53:46,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:53:46,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac42eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46, skipping insertion in model container [2021-11-07 20:53:46,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:53:46,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:53:46,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-07 20:53:46,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-07 20:53:46,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:53:46,723 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:53:46,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-07 20:53:46,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-07 20:53:46,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:53:46,846 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:53:46,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46 WrapperNode [2021-11-07 20:53:46,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:53:46,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:53:46,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:53:46,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:53:46,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:53:46,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:53:46,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:53:46,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:53:46,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:46,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:53:47,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:53:47,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:53:47,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:53:47,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (1/1) ... [2021-11-07 20:53:47,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:53:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:47,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 20:53:47,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 20:53:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:53:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 20:53:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:53:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:53:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:53:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:53:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:53:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:53:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:53:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:53:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:53:47,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:53:47,822 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 20:53:47,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:53:47 BoogieIcfgContainer [2021-11-07 20:53:47,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:53:47,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:53:47,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:53:47,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:53:47,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:53:46" (1/3) ... [2021-11-07 20:53:47,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e48799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:53:47, skipping insertion in model container [2021-11-07 20:53:47,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:53:46" (2/3) ... [2021-11-07 20:53:47,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e48799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:53:47, skipping insertion in model container [2021-11-07 20:53:47,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:53:47" (3/3) ... [2021-11-07 20:53:47,830 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2021-11-07 20:53:47,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:53:47,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 20:53:47,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:53:47,882 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=PETRI_NET, 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 [2021-11-07 20:53:47,882 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 20:53:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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) [2021-11-07 20:53:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 20:53:47,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:47,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:47,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 20:53:47,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:47,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405942631] [2021-11-07 20:53:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:47,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:48,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:48,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405942631] [2021-11-07 20:53:48,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405942631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:48,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:48,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:53:48,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923899312] [2021-11-07 20:53:48,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:48,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 20:53:48,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:48,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 20:53:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 20:53:48,079 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:53:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:48,121 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 20:53:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 20:53:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 20:53:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:48,133 INFO L225 Difference]: With dead ends: 352 [2021-11-07 20:53:48,133 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 20:53:48,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 20:53:48,141 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:48,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 4.44ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 20:53:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 20:53:48,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 20:53:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 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) [2021-11-07 20:53:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 20:53:48,197 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 20:53:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:48,198 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 20:53:48,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:53:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 20:53:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 20:53:48,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:48,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:48,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:53:48,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:48,203 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 20:53:48,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:48,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322969419] [2021-11-07 20:53:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:48,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:48,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:48,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322969419] [2021-11-07 20:53:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322969419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:48,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:48,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:53:48,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190069793] [2021-11-07 20:53:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:48,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:53:48,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:48,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:53:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:53:48,297 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-07 20:53:48,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:48,567 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 20:53:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:53:48,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2021-11-07 20:53:48,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:48,569 INFO L225 Difference]: With dead ends: 377 [2021-11-07 20:53:48,569 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 20:53:48,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:53:48,570 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 186.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.09ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 227.54ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:48,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 6.09ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 227.54ms Time] [2021-11-07 20:53:48,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 20:53:48,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 20:53:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 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) [2021-11-07 20:53:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 20:53:48,578 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 20:53:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:48,579 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 20:53:48,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-07 20:53:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 20:53:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:53:48,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:48,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:48,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:53:48,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:48,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 20:53:48,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:48,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691698562] [2021-11-07 20:53:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:48,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:48,596 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:48,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987060428] [2021-11-07 20:53:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:48,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:48,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:48,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:53:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:48,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:53:48,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:48,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:48,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:48,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691698562] [2021-11-07 20:53:48,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:48,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987060428] [2021-11-07 20:53:48,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987060428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:48,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:48,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:53:48,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077423768] [2021-11-07 20:53:48,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:48,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:53:48,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:48,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:53:48,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:48,923 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-07 20:53:48,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:48,976 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 20:53:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:53:48,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-07 20:53:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:48,978 INFO L225 Difference]: With dead ends: 367 [2021-11-07 20:53:48,978 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 20:53:48,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:48,982 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.73ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:48,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.73ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 47.94ms Time] [2021-11-07 20:53:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 20:53:48,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 20:53:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 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) [2021-11-07 20:53:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 20:53:48,999 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 20:53:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:49,000 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 20:53:49,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-07 20:53:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 20:53:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:53:49,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:49,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:49,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 20:53:49,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:49,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 20:53:49,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:49,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146553445] [2021-11-07 20:53:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:49,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:49,214 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:49,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37361902] [2021-11-07 20:53:49,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:49,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:49,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:49,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:49,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 20:53:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:49,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:53:49,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:53:49,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:49,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:49,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146553445] [2021-11-07 20:53:49,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:49,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37361902] [2021-11-07 20:53:49,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37361902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:49,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:49,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:53:49,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877491890] [2021-11-07 20:53:49,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:49,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:53:49,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:53:49,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:49,461 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-07 20:53:49,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:49,512 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 20:53:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:53:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 96 [2021-11-07 20:53:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:49,515 INFO L225 Difference]: With dead ends: 298 [2021-11-07 20:53:49,515 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 20:53:49,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:49,517 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.67ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.55ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:49,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 6.67ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 40.55ms Time] [2021-11-07 20:53:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 20:53:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 20:53:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 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) [2021-11-07 20:53:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 20:53:49,523 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 20:53:49,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:49,525 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 20:53:49,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-07 20:53:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 20:53:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:53:49,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:49,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:49,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 20:53:49,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 20:53:49,732 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 20:53:49,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:49,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285573571] [2021-11-07 20:53:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:49,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:49,743 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:49,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98221787] [2021-11-07 20:53:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:49,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:49,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:49,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:49,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 20:53:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:49,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:53:49,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:49,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:49,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:49,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285573571] [2021-11-07 20:53:49,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:49,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98221787] [2021-11-07 20:53:49,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98221787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:49,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:49,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:53:49,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874731005] [2021-11-07 20:53:49,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:49,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:53:49,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:49,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:53:49,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:53:49,991 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-07 20:53:50,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:50,042 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 20:53:50,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:53:50,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2021-11-07 20:53:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:50,044 INFO L225 Difference]: With dead ends: 418 [2021-11-07 20:53:50,044 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 20:53:50,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.17ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:53:50,045 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.22ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:50,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.22ms Time] [2021-11-07 20:53:50,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 20:53:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 20:53:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 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) [2021-11-07 20:53:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 20:53:50,049 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 20:53:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:50,049 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 20:53:50,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-07 20:53:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 20:53:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:53:50,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:50,050 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:50,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 20:53:50,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:50,264 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:50,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:50,264 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 20:53:50,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:50,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145427389] [2021-11-07 20:53:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:50,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:50,274 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:50,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119537732] [2021-11-07 20:53:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:50,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:50,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:50,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 20:53:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:50,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:53:50,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:53:50,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:50,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:50,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145427389] [2021-11-07 20:53:50,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:50,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119537732] [2021-11-07 20:53:50,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119537732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:50,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:50,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:53:50,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733213556] [2021-11-07 20:53:50,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:50,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:53:50,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:53:50,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:53:50,510 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-07 20:53:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:50,584 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 20:53:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:53:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 96 [2021-11-07 20:53:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:50,585 INFO L225 Difference]: With dead ends: 295 [2021-11-07 20:53:50,585 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 20:53:50,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:53:50,586 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.55ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:50,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 54.55ms Time] [2021-11-07 20:53:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 20:53:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 20:53:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 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) [2021-11-07 20:53:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 20:53:50,589 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 20:53:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:50,590 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 20:53:50,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-07 20:53:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 20:53:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:53:50,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:50,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:50,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 20:53:50,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:50,811 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:50,812 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 20:53:50,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:50,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153224209] [2021-11-07 20:53:50,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:50,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:50,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:50,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [96235509] [2021-11-07 20:53:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:50,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:50,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:50,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 20:53:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:50,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 20:53:50,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:51,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:51,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:51,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153224209] [2021-11-07 20:53:51,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:51,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96235509] [2021-11-07 20:53:51,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96235509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:51,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:51,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:53:51,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926080657] [2021-11-07 20:53:51,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:51,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:53:51,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:51,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:53:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:51,209 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-07 20:53:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:51,250 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 20:53:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:53:51,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-07 20:53:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:51,251 INFO L225 Difference]: With dead ends: 486 [2021-11-07 20:53:51,251 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 20:53:51,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:53:51,252 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.73ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.07ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:51,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 0.73ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 33.07ms Time] [2021-11-07 20:53:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 20:53:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 20:53:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 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) [2021-11-07 20:53:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 20:53:51,257 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 20:53:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:51,257 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 20:53:51,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-07 20:53:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 20:53:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 20:53:51,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:51,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:51,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 20:53:51,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:51,471 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:51,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:51,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 20:53:51,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:51,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121453342] [2021-11-07 20:53:51,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:51,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:51,482 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:51,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578887869] [2021-11-07 20:53:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:51,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:51,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:51,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 20:53:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:51,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 20:53:51,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:53:51,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:53:51,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:53:51,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121453342] [2021-11-07 20:53:51,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:53:51,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578887869] [2021-11-07 20:53:51,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578887869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:53:51,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:53:51,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:53:51,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916376001] [2021-11-07 20:53:51,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:53:51,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:53:51,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:53:51,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:53:51,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:53:51,824 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-07 20:53:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:53:51,949 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 20:53:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:53:51,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-07 20:53:51,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:53:51,950 INFO L225 Difference]: With dead ends: 474 [2021-11-07 20:53:51,950 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 20:53:51,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.92ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:53:51,951 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.23ms IncrementalHoareTripleChecker+Time [2021-11-07 20:53:51,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.31ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 112.23ms Time] [2021-11-07 20:53:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 20:53:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 20:53:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 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) [2021-11-07 20:53:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 20:53:51,955 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 20:53:51,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:53:51,955 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 20:53:51,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-07 20:53:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 20:53:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 20:53:51,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:53:51,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:53:51,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 20:53:52,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:52,171 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 20:53:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:53:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 20:53:52,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:53:52,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574910884] [2021-11-07 20:53:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:52,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:53:52,181 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:53:52,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35349319] [2021-11-07 20:53:52,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:53:52,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:53:52,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:53:52,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:53:52,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 20:53:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:53:52,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 20:53:52,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:53:52,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 20:53:52,342 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 [2021-11-07 20:53:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:52,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 20:53:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:52,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 20:53:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 20:53:53,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 20:53:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-07 20:53:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 20:53:53,230 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 [2021-11-07 20:53:53,235 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 29 treesize of output 25 [2021-11-07 20:53:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,246 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 20:53:53,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 20:53:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:53,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 20:53:54,554 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 20:53:54,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-07 20:53:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,685 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 20:53:55,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-07 20:53:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:53:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:00,750 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 20:54:00,751 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 20:54:00,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-07 20:54:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:01,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-07 20:54:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:01,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 20:54:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 20:54:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 20:54:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 20:54:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:04,252 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-07 20:54:04,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-07 20:54:05,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 20:54:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:54:05,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 20:54:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:54,482 WARN L227 SmtUtils]: Spent 8.82m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 21:02:54,487 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 21:02:54,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1851380 treesize of output 765901 [2021-11-07 21:02:58,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,886 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-07 21:02:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:59,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:59,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:02:59,127 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:02:59,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-07 21:03:00,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:03,844 INFO L244 Elim1Store]: Index analysis took 2974 ms [2021-11-07 21:03:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:04,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:06,251 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:03:06,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1023 treesize of output 442 [2021-11-07 21:03:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:07,982 INFO L244 Elim1Store]: Index analysis took 1424 ms [2021-11-07 21:03:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:09,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:03:09,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 758 treesize of output 356 [2021-11-07 21:03:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,179 INFO L244 Elim1Store]: Index analysis took 1193 ms [2021-11-07 21:03:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:12,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:03:12,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:03:12,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15