./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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_OAT_test9-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:51:00,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:51:00,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:51:00,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:51:00,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:51:00,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:51:00,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:51:00,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:51:00,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:51:00,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:51:00,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:51:00,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:51:00,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:51:00,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:51:00,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:51:00,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:51:00,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:51:00,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:51:00,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:51:00,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:51:00,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:51:00,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:51:00,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:51:00,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:51:00,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:51:00,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:51:00,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:51:00,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:51:00,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:51:00,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:51:00,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:51:00,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:51:00,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:51:00,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:51:00,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:51:00,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:51:00,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:51:00,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:51:00,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:51:00,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:51:00,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:51:00,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:51:00,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:51:00,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:51:00,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:51:00,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:51:00,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:51:00,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:51:00,563 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:51:00,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:51:00,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:51:00,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:51:00,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:51:00,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:51:00,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:51:00,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:51:00,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:51:00,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:51:00,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:51:00,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:51:00,566 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:51:00,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:51:00,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:51:00,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:51:00,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2021-11-06 23:51:00,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:51:00,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:51:00,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:51:00,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:51:00,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:51:00,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-06 23:51:00,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364ede3ff/52426ae4d6744f7288cc438176a193ff/FLAG16a01f3b1 [2021-11-06 23:51:01,257 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:51:01,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2021-11-06 23:51:01,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364ede3ff/52426ae4d6744f7288cc438176a193ff/FLAG16a01f3b1 [2021-11-06 23:51:01,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/364ede3ff/52426ae4d6744f7288cc438176a193ff [2021-11-06 23:51:01,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:51:01,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:51:01,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:51:01,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:51:01,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:51:01,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:01" (1/1) ... [2021-11-06 23:51:01,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54645514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:01, skipping insertion in model container [2021-11-06 23:51:01,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:01" (1/1) ... [2021-11-06 23:51:01,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:51:01,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:51:01,928 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_OAT_test9-1.i[33021,33034] [2021-11-06 23:51:02,114 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_OAT_test9-1.i[84583,84596] [2021-11-06 23:51:02,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:51:02,134 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:51:02,165 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_OAT_test9-1.i[33021,33034] [2021-11-06 23:51:02,293 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_OAT_test9-1.i[84583,84596] [2021-11-06 23:51:02,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:51:02,323 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:51:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02 WrapperNode [2021-11-06 23:51:02,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:51:02,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:51:02,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:51:02,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:51:02,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:51:02,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:51:02,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:51:02,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:51:02,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:51:02,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:51:02,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:51:02,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:51:02,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:51:02,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:02,705 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 23:51:02,723 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 23:51:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:51:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:51:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:51:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:51:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:51:04,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:51:04,710 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 23:51:04,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:04 BoogieIcfgContainer [2021-11-06 23:51:04,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:51:04,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:51:04,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:51:04,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:51:04,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:51:01" (1/3) ... [2021-11-06 23:51:04,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:04, skipping insertion in model container [2021-11-06 23:51:04,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02" (2/3) ... [2021-11-06 23:51:04,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:04, skipping insertion in model container [2021-11-06 23:51:04,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:04" (3/3) ... [2021-11-06 23:51:04,719 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2021-11-06 23:51:04,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:51:04,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:51:04,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:51:04,763 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 23:51:04,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:51:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 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 23:51:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:51:04,798 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:04,798 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:04,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:04,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:51:04,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:04,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209646027] [2021-11-06 23:51:04,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:04,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:04,897 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 23:51:04,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:04,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209646027] [2021-11-06 23:51:04,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209646027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:04,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:04,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:51:04,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741968601] [2021-11-06 23:51:04,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:51:04,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:04,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:51:04,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:51:04,915 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 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 23:51:05,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:05,010 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 23:51:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:51:05,012 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 23:51:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:05,031 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 23:51:05,031 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:51:05,038 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:51:05,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:51:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:51:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 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 23:51:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:51:05,120 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:51:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:05,120 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:51:05,120 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 23:51:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:51:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:51:05,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:05,122 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:05,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:51:05,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:05,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:05,124 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:51:05,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:05,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148279574] [2021-11-06 23:51:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:05,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:05,208 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 23:51:05,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:05,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148279574] [2021-11-06 23:51:05,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148279574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:05,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:05,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:05,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405212424] [2021-11-06 23:51:05,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:05,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:05,213 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:05,470 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:51:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:05,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 23:51:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:05,482 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:51:05,482 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:51:05,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:05,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:51:05,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:51:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 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 23:51:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:51:05,557 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:51:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:05,557 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:51:05,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:51:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:05,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:05,560 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:05,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:51:05,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:05,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:05,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:51:05,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:05,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593848451] [2021-11-06 23:51:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:05,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:05,575 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:05,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148213119] [2021-11-06 23:51:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:05,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:05,577 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 23:51:05,606 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 23:51:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:05,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:05,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:05,899 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 23:51:05,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:05,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593848451] [2021-11-06 23:51:05,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:05,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148213119] [2021-11-06 23:51:05,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148213119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:05,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:05,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:05,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325006831] [2021-11-06 23:51:05,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:05,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:05,903 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:05,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:05,979 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:51:05,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:05,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:05,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:05,985 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:51:05,985 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:51:05,988 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:51:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:51:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 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 23:51:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:51:06,016 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:51:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:06,017 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:51:06,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:51:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:06,019 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:06,019 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:06,041 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 23:51:06,239 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 23:51:06,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:06,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:51:06,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:06,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880627847] [2021-11-06 23:51:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:06,255 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:06,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489223853] [2021-11-06 23:51:06,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:06,257 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 23:51:06,258 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 23:51:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:06,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:06,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:06,549 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 23:51:06,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:06,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880627847] [2021-11-06 23:51:06,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:06,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489223853] [2021-11-06 23:51:06,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489223853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:06,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:06,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:06,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537145447] [2021-11-06 23:51:06,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:06,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:06,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:06,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:06,552 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:06,621 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:51:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:06,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:06,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:06,645 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:51:06,645 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:51:06,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:51:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:51:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 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 23:51:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:51:06,673 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:51:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:06,674 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:51:06,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:51:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:06,675 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:06,675 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:06,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 23:51:06,893 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 23:51:06,894 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:06,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:06,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:51:06,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:06,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692275412] [2021-11-06 23:51:06,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:06,932 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:06,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918593991] [2021-11-06 23:51:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:06,952 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 23:51:06,954 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 23:51:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:07,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:07,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:07,267 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 23:51:07,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:07,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692275412] [2021-11-06 23:51:07,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:07,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918593991] [2021-11-06 23:51:07,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918593991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:07,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:07,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:07,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61002194] [2021-11-06 23:51:07,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:07,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:07,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:07,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:07,286 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:07,373 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:51:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:07,384 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:51:07,384 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:51:07,387 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:51:07,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:51:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 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 23:51:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:51:07,419 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:51:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:07,419 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:51:07,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:51:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:07,424 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:07,424 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:07,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 23:51:07,641 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 23:51:07,642 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:51:07,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:07,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571747860] [2021-11-06 23:51:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:07,656 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:07,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1539765373] [2021-11-06 23:51:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:07,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:07,672 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 23:51:07,698 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 23:51:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:07,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:07,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:08,056 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 23:51:08,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:08,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571747860] [2021-11-06 23:51:08,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:08,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539765373] [2021-11-06 23:51:08,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539765373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:08,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:08,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:08,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746290372] [2021-11-06 23:51:08,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:08,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:08,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:08,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:08,059 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:08,174 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:51:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:08,180 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:51:08,180 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:51:08,182 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:51:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:51:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 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 23:51:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:51:08,212 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:51:08,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:08,214 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:51:08,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:51:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:08,217 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:08,217 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:08,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-06 23:51:08,431 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 23:51:08,431 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:08,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:51:08,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:08,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268105577] [2021-11-06 23:51:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:08,448 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:08,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711570781] [2021-11-06 23:51:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:08,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:08,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:08,452 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 23:51:08,454 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 23:51:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:08,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:51:08,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:08,884 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 23:51:08,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:08,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268105577] [2021-11-06 23:51:08,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:08,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711570781] [2021-11-06 23:51:08,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711570781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:08,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:08,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:08,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266138862] [2021-11-06 23:51:08,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:08,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:08,887 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:08,960 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:51:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:08,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:08,970 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:51:08,970 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:51:08,973 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:51:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:51:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 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 23:51:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:51:09,022 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:51:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:09,022 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:51:09,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:51:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:51:09,023 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:09,023 INFO L513 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 23:51:09,043 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 23:51:09,240 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 23:51:09,241 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:09,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:51:09,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:09,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031555379] [2021-11-06 23:51:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:09,251 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:09,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850339390] [2021-11-06 23:51:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:09,253 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 23:51:09,254 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 23:51:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:09,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:51:09,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:09,712 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 23:51:09,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:09,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031555379] [2021-11-06 23:51:09,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:09,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850339390] [2021-11-06 23:51:09,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850339390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:09,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:09,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:09,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102526152] [2021-11-06 23:51:09,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:09,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:09,714 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 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 23:51:09,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:09,862 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:51:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:09,862 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 23:51:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:09,868 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:51:09,868 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:51:09,871 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:09,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:51:09,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:51:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 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 23:51:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:51:09,898 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:51:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:09,898 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:51:09,898 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 23:51:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:51:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:51:09,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:09,899 INFO L513 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 23:51:09,919 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 23:51:10,116 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 23:51:10,117 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:10,117 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:51:10,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:10,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210558669] [2021-11-06 23:51:10,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:10,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:10,130 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:10,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623965530] [2021-11-06 23:51:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:10,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:10,133 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 23:51:10,134 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 23:51:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:10,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:51:10,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:10,428 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 23:51:10,433 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 23:51:10,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:10,457 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 23:51:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:10,509 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 23:51:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,362 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 23:51:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,369 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 23:51:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:51:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:51:11,465 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 23:51:11,469 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 23:51:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,480 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:51:11,481 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 23:51:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:11,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:51:12,505 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:51:12,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:51:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,673 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:51:13,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:51:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:19,193 WARN L207 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:51:19,194 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 23:51:19,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 23:51:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:19,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:51:19,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:19,654 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 23:51:21,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,777 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-06 23:51:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-06 23:51:22,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:44,479 WARN L207 SmtUtils]: Spent 9.36 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-07 00:00:44,481 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 00:00:44,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-07 00:00:48,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,492 INFO L244 Elim1Store]: Index analysis took 347 ms [2021-11-07 00:00:48,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:48,911 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:00:48,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-07 00:00:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,445 INFO L244 Elim1Store]: Index analysis took 301 ms [2021-11-07 00:00:49,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,686 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:00:49,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-07 00:00:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,117 INFO L244 Elim1Store]: Index analysis took 315 ms [2021-11-07 00:00:50,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:00:50,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-07 00:00:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,820 INFO L244 Elim1Store]: Index analysis took 292 ms [2021-11-07 00:00:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:00:51,247 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:00:51,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15