./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_test3-2.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 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:08:43,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:08:43,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:08:43,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:08:43,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:08:43,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:08:43,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:08:43,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:08:43,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:08:43,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:08:43,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:08:43,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:08:43,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:08:43,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:08:43,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:08:43,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:08:43,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:08:43,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:08:43,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:08:43,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:08:43,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:08:43,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:08:43,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:08:43,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:08:43,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:08:43,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:08:43,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:08:43,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:08:43,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:08:43,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:08:43,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:08:43,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:08:43,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:08:43,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:08:43,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:08:43,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:08:43,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:08:43,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:08:43,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:08:43,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:08:43,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:08:43,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:08:43,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:08:43,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:08:43,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:08:43,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:08:43,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:08:43,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:08:43,623 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:08:43,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:08:43,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:08:43,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:08:43,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:08:43,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:08:43,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:08:43,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:08:43,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:08:43,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:08:43,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:08:43,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:08:43,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:08:43,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:08:43,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:08:43,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:08:43,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:08:43,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:08:43,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:08:43,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:08:43,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:08:43,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2021-11-06 00:08:43,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:08:43,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:08:43,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:08:43,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:08:43,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:08:43,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2021-11-06 00:08:44,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185c11851/00c5958136a34946acb3da805f7d7811/FLAG5fded807c [2021-11-06 00:08:44,503 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:08:44,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2021-11-06 00:08:44,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185c11851/00c5958136a34946acb3da805f7d7811/FLAG5fded807c [2021-11-06 00:08:44,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185c11851/00c5958136a34946acb3da805f7d7811 [2021-11-06 00:08:44,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:08:44,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:08:44,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:08:44,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:08:44,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:08:44,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:44" (1/1) ... [2021-11-06 00:08:44,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e7bc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:44, skipping insertion in model container [2021-11-06 00:08:44,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:44" (1/1) ... [2021-11-06 00:08:44,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:08:44,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:08:44,961 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_test3-2.i[33021,33034] [2021-11-06 00:08:45,075 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_test3-2.i[44590,44603] [2021-11-06 00:08:45,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:08:45,110 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:08:45,136 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_test3-2.i[33021,33034] [2021-11-06 00:08:45,211 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_test3-2.i[44590,44603] [2021-11-06 00:08:45,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:08:45,269 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:08:45,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45 WrapperNode [2021-11-06 00:08:45,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:08:45,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:08:45,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:08:45,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:08:45,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:08:45,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:08:45,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:08:45,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:08:45,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:08:45,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:08:45,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:08:45,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:08:45,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (1/1) ... [2021-11-06 00:08:45,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:08:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:45,512 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) [2021-11-06 00:08:45,522 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 [2021-11-06 00:08:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:08:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:08:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:08:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:08:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:08:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:08:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:08:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:08:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:08:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:08:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:08:46,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:08:46,416 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 00:08:46,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:46 BoogieIcfgContainer [2021-11-06 00:08:46,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:08:46,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:08:46,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:08:46,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:08:46,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:08:44" (1/3) ... [2021-11-06 00:08:46,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68133da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:46, skipping insertion in model container [2021-11-06 00:08:46,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:45" (2/3) ... [2021-11-06 00:08:46,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68133da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:46, skipping insertion in model container [2021-11-06 00:08:46,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:46" (3/3) ... [2021-11-06 00:08:46,425 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2021-11-06 00:08:46,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:08:46,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 00:08:46,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:08:46,469 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 [2021-11-06 00:08:46,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 00:08:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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) [2021-11-06 00:08:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:08:46,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:46,491 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:46,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 00:08:46,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:46,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158738157] [2021-11-06 00:08:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:46,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:46,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:46,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158738157] [2021-11-06 00:08:46,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158738157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:46,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:46,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:08:46,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404651509] [2021-11-06 00:08:46,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:46,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:08:46,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:08:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:08:46,693 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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) [2021-11-06 00:08:46,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:46,758 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 00:08:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:08:46,761 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 [2021-11-06 00:08:46,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:46,773 INFO L225 Difference]: With dead ends: 460 [2021-11-06 00:08:46,773 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 00:08:46,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:08:46,784 INFO L933 BasicCegarLoop]: 303 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, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:46,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 5.28ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:08:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 00:08:46,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 00:08:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 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) [2021-11-06 00:08:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 00:08:46,838 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 00:08:46,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:46,839 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 00:08:46,839 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) [2021-11-06 00:08:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 00:08:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 00:08:46,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:46,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:46,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:08:46,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:46,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:46,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 00:08:46,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:46,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342851005] [2021-11-06 00:08:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:46,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:46,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342851005] [2021-11-06 00:08:46,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342851005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:46,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:46,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:46,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191294010] [2021-11-06 00:08:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:46,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:46,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:46,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:46,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:46,946 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-06 00:08:47,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:47,294 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 00:08:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:47,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-06 00:08:47,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:47,297 INFO L225 Difference]: With dead ends: 445 [2021-11-06 00:08:47,297 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 00:08:47,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.92ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:47,298 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 259.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.27ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 312.87ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:47,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 5.27ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 312.87ms Time] [2021-11-06 00:08:47,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 00:08:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 00:08:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 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) [2021-11-06 00:08:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 00:08:47,322 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 00:08:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:47,322 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 00:08:47,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-06 00:08:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 00:08:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:08:47,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:47,328 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] [2021-11-06 00:08:47,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:08:47,329 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:47,330 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 00:08:47,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:47,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194117149] [2021-11-06 00:08:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:47,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:47,367 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:47,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064387264] [2021-11-06 00:08:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:47,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:47,371 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) [2021-11-06 00:08:47,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 00:08:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:47,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:47,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:47,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:47,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:47,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194117149] [2021-11-06 00:08:47,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:47,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064387264] [2021-11-06 00:08:47,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064387264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:47,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:47,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:47,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720917919] [2021-11-06 00:08:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:47,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:47,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:47,728 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-06 00:08:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:47,792 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 00:08:47,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:47,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 00:08:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:47,810 INFO L225 Difference]: With dead ends: 417 [2021-11-06 00:08:47,810 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 00:08:47,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:47,814 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.43ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:47,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 55.43ms Time] [2021-11-06 00:08:47,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 00:08:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 00:08:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 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) [2021-11-06 00:08:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 00:08:47,826 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 00:08:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:47,826 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 00:08:47,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-06 00:08:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 00:08:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:08:47,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:47,828 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] [2021-11-06 00:08:47,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:48,047 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 [2021-11-06 00:08:48,048 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:48,048 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 00:08:48,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:48,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689354351] [2021-11-06 00:08:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:48,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:48,073 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:48,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912265093] [2021-11-06 00:08:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:48,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:48,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:48,077 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) [2021-11-06 00:08:48,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 00:08:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:48,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:48,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:48,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:48,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:48,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689354351] [2021-11-06 00:08:48,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:48,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912265093] [2021-11-06 00:08:48,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912265093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:48,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:48,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:48,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20498889] [2021-11-06 00:08:48,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:48,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:48,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:48,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:48,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:48,394 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-06 00:08:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:48,470 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 00:08:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:48,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-06 00:08:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:48,472 INFO L225 Difference]: With dead ends: 428 [2021-11-06 00:08:48,472 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 00:08:48,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.52ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:48,474 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.66ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.34ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:48,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.66ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 55.34ms Time] [2021-11-06 00:08:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 00:08:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 00:08:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 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) [2021-11-06 00:08:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 00:08:48,481 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 00:08:48,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:48,482 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 00:08:48,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-06 00:08:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 00:08:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:08:48,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:48,483 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] [2021-11-06 00:08:48,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 00:08:48,703 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 [2021-11-06 00:08:48,703 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:48,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 00:08:48,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:48,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472004047] [2021-11-06 00:08:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:48,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:48,716 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:48,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429707740] [2021-11-06 00:08:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:48,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:48,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:48,718 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) [2021-11-06 00:08:48,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 00:08:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:48,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:08:48,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:49,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:49,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:49,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472004047] [2021-11-06 00:08:49,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:49,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429707740] [2021-11-06 00:08:49,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429707740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:49,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:49,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:49,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158756601] [2021-11-06 00:08:49,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:49,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:49,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:49,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:49,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:49,152 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-06 00:08:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:49,210 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 00:08:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:49,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 00:08:49,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:49,212 INFO L225 Difference]: With dead ends: 542 [2021-11-06 00:08:49,212 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 00:08:49,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:49,213 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.17ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:49,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 49.17ms Time] [2021-11-06 00:08:49,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 00:08:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 00:08:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 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) [2021-11-06 00:08:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 00:08:49,221 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 00:08:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:49,222 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 00:08:49,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-06 00:08:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 00:08:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 00:08:49,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:49,227 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] [2021-11-06 00:08:49,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:49,447 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 [2021-11-06 00:08:49,448 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 00:08:49,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:49,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322213378] [2021-11-06 00:08:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:49,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:49,467 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:49,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396803546] [2021-11-06 00:08:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:49,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:49,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:49,468 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) [2021-11-06 00:08:49,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 00:08:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:49,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:49,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:49,786 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 [2021-11-06 00:08:49,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 00:08:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:08:49,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:49,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:49,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322213378] [2021-11-06 00:08:49,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:49,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396803546] [2021-11-06 00:08:49,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396803546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:49,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:49,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:49,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772837575] [2021-11-06 00:08:49,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:49,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:49,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:49,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:49,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:49,814 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-06 00:08:50,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:50,761 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 00:08:50,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:50,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-06 00:08:50,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:50,764 INFO L225 Difference]: With dead ends: 421 [2021-11-06 00:08:50,764 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 00:08:50,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:50,765 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 894.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 929.63ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:50,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.75ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 929.63ms Time] [2021-11-06 00:08:50,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 00:08:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 00:08:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 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) [2021-11-06 00:08:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 00:08:50,773 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 00:08:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:50,774 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 00:08:50,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-06 00:08:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 00:08:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:08:50,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:50,775 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] [2021-11-06 00:08:50,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:50,987 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 [2021-11-06 00:08:50,987 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:50,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:50,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 00:08:50,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:50,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720185723] [2021-11-06 00:08:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:50,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:50,997 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:50,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367117215] [2021-11-06 00:08:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:50,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:51,023 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) [2021-11-06 00:08:51,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 00:08:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:51,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:51,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:08:51,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:51,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:51,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720185723] [2021-11-06 00:08:51,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:51,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367117215] [2021-11-06 00:08:51,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367117215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:51,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:51,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:51,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962728300] [2021-11-06 00:08:51,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:51,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:51,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:51,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:51,366 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-06 00:08:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:51,433 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 00:08:51,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:51,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 [2021-11-06 00:08:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:51,442 INFO L225 Difference]: With dead ends: 525 [2021-11-06 00:08:51,443 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 00:08:51,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:51,444 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.13ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:51,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 54.13ms Time] [2021-11-06 00:08:51,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 00:08:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 00:08:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 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) [2021-11-06 00:08:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 00:08:51,456 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 00:08:51,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:51,458 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 00:08:51,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-06 00:08:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 00:08:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:08:51,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:51,463 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] [2021-11-06 00:08:51,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:51,679 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 [2021-11-06 00:08:51,680 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:51,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 00:08:51,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:51,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654695014] [2021-11-06 00:08:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:51,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:51,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:51,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287481511] [2021-11-06 00:08:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:51,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:51,695 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) [2021-11-06 00:08:51,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 00:08:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:51,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:51,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:08:52,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:52,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:52,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654695014] [2021-11-06 00:08:52,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:52,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287481511] [2021-11-06 00:08:52,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287481511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:52,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:52,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:52,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534224668] [2021-11-06 00:08:52,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:52,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:52,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:52,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:52,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:52,029 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-06 00:08:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:52,084 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 00:08:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:52,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 [2021-11-06 00:08:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:52,086 INFO L225 Difference]: With dead ends: 540 [2021-11-06 00:08:52,086 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 00:08:52,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.73ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:52,087 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.41ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:52,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 41.41ms Time] [2021-11-06 00:08:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 00:08:52,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 00:08:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 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) [2021-11-06 00:08:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 00:08:52,095 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 00:08:52,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:52,095 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 00:08:52,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-06 00:08:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 00:08:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:08:52,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:52,099 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] [2021-11-06 00:08:52,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:52,315 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 [2021-11-06 00:08:52,316 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:52,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 00:08:52,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:52,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633437076] [2021-11-06 00:08:52,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:52,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:52,329 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:52,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369570704] [2021-11-06 00:08:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:52,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:52,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:52,331 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) [2021-11-06 00:08:52,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 00:08:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:52,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:08:52,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:52,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:52,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:52,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633437076] [2021-11-06 00:08:52,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:52,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369570704] [2021-11-06 00:08:52,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369570704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:52,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:52,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:52,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352132288] [2021-11-06 00:08:52,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:52,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:52,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:52,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:52,697 INFO L87 Difference]: Start difference. First operand 326 states and 393 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) [2021-11-06 00:08:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:52,926 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 00:08:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 00:08:52,927 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 [2021-11-06 00:08:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:52,929 INFO L225 Difference]: With dead ends: 740 [2021-11-06 00:08:52,929 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 00:08:52,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:52,930 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 173.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.10ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 207.36ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:52,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 2.10ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 207.36ms Time] [2021-11-06 00:08:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 00:08:52,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 00:08:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 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) [2021-11-06 00:08:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 00:08:52,942 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 00:08:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:52,942 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 00:08:52,942 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) [2021-11-06 00:08:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 00:08:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:08:52,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:52,944 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] [2021-11-06 00:08:52,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:53,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:53,160 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 00:08:53,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:53,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980543] [2021-11-06 00:08:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:53,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:53,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:53,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884886242] [2021-11-06 00:08:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:53,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:53,173 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:53,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 00:08:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:53,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:08:53,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:53,368 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 [2021-11-06 00:08:53,372 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 [2021-11-06 00:08:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:53,406 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 [2021-11-06 00:08:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:53,465 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 [2021-11-06 00:08:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,328 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 [2021-11-06 00:08:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,335 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 [2021-11-06 00:08:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 00:08:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,441 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 52 treesize of output 45 [2021-11-06 00:08:54,451 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 [2021-11-06 00:08:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:54,469 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:08:54,470 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 [2021-11-06 00:08:54,477 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 [2021-11-06 00:08:55,869 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:08:55,870 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 2831 treesize of output 2280 [2021-11-06 00:08:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:59,790 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 00:08:59,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 00:08:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:00,580 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:09:00,581 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 2027 treesize of output 1769 [2021-11-06 00:09:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:01,396 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 [2021-11-06 00:09:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:01,556 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 [2021-11-06 00:09:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:09:02,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 00:09:02,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:09:02,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:09:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:36,454 WARN L230 SmtUtils]: Spent 4.57m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 00:13:36,456 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 00:13:36,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 00:13:39,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 00:13:41,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,360 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-06 00:13:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:41,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:13:41,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 00:13:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:46,160 INFO L244 Elim1Store]: Index analysis took 3443 ms [2021-11-06 00:13:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:46,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:49,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:49,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:13:49,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 00:13:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,056 INFO L244 Elim1Store]: Index analysis took 1421 ms [2021-11-06 00:13:51,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,540 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:13:52,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 00:13:52,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:13:52,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:13:52,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 00:14:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:11,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:11,208 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 00:14:11,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 00:14:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:29,707 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 00:14:29,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 00:14:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,624 INFO L244 Elim1Store]: Index analysis took 385 ms [2021-11-06 00:14:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,033 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:36,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 00:14:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:36,926 INFO L244 Elim1Store]: Index analysis took 747 ms [2021-11-06 00:14:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,361 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:37,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 00:14:37,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:37,963 INFO L244 Elim1Store]: Index analysis took 477 ms [2021-11-06 00:14:38,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,530 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:38,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 00:14:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:38,951 INFO L244 Elim1Store]: Index analysis took 337 ms [2021-11-06 00:14:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:39,189 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:39,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 00:14:41,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,471 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-11-06 00:14:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:41,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 00:14:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,150 INFO L244 Elim1Store]: Index analysis took 324 ms [2021-11-06 00:14:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:42,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 00:14:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,087 INFO L244 Elim1Store]: Index analysis took 227 ms [2021-11-06 00:14:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:43,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 00:14:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,907 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-06 00:14:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,024 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:44,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 00:14:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,175 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:14:44,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 00:14:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,356 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:14:44,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 00:14:44,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,547 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:14:44,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 00:14:44,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,696 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:14:44,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 00:14:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,788 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 00:14:44,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 00:14:44,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,878 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:14:44,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 00:14:44,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:44,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:45,044 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 00:14:45,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 00:14:45,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,104 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:14:45,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 00:14:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:45,162 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:14:45,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 00:14:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,009 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 00:14:46,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 00:14:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:46,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,664 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 00:14:46,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 00:14:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,845 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 00:14:46,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 00:14:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:46,871 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 00:14:46,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 00:14:47,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,366 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 00:14:47,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 00:14:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:47,505 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 00:14:47,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 00:14:47,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:14:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:14:47,533 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 00:14:47,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 00:14:48,129 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 00:14:48,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 00:14:48,142 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 00:14:48,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 00:14:48,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:14:48,163 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 00:14:48,253 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 00:14:48,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 00:15:04,134 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 00:15:04,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 00:15:29,552 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 00:15:29,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 00:15:33,233 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 00:15:33,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 00:15:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:15:33,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 00:15:35,519 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-06 00:15:37,666 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-06 00:15:39,734 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-06 00:15:41,965 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15