./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1o.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/res1o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF --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 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:45:57,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:45:57,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:45:57,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:45:57,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:45:57,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:45:57,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:45:57,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:45:57,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:45:57,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:45:57,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:45:57,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:45:57,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:45:57,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:45:57,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:45:57,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:45:57,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:45:57,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:45:57,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:45:57,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:45:57,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:45:57,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:45:57,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:45:57,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:45:57,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:45:57,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:45:57,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:45:57,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:45:57,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:45:57,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:45:57,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:45:57,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:45:57,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:45:57,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:45:57,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:45:57,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:45:57,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:45:57,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:45:57,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:45:57,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:45:57,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:45:57,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:45:57,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:45:57,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:45:57,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:45:57,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:45:57,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:45:57,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:45:57,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:45:57,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:45:57,748 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:45:57,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:45:57,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:45:57,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:45:57,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:45:57,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:45:57,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:45:57,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:45:57,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:45:57,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:45:57,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:45:57,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:45:57,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:45:57,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:45:57,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:45:57,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:45:57,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:45:57,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:45:57,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:45:57,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:45:57,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:45:57,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:45:57,756 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:45:57,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:45:57,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:45:57,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:45:57,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf [2021-11-20 05:45:58,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:45:58,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:45:58,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:45:58,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:45:58,104 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:45:58,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/array-fpi/res1o.c [2021-11-20 05:45:58,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/data/6087454f5/f93fa8ee55e047ffb46d65702455d30c/FLAG38c4407a8 [2021-11-20 05:45:58,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:45:58,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/sv-benchmarks/c/array-fpi/res1o.c [2021-11-20 05:45:58,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/data/6087454f5/f93fa8ee55e047ffb46d65702455d30c/FLAG38c4407a8 [2021-11-20 05:45:59,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/data/6087454f5/f93fa8ee55e047ffb46d65702455d30c [2021-11-20 05:45:59,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:45:59,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:45:59,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:45:59,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:45:59,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:45:59,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a10f111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59, skipping insertion in model container [2021-11-20 05:45:59,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:45:59,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:45:59,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2021-11-20 05:45:59,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:45:59,423 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:45:59,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2021-11-20 05:45:59,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:45:59,472 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:45:59,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59 WrapperNode [2021-11-20 05:45:59,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:45:59,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:45:59,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:45:59,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:45:59,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,514 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2021-11-20 05:45:59,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:45:59,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:45:59,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:45:59,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:45:59,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:45:59,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:45:59,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:45:59,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:45:59,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (1/1) ... [2021-11-20 05:45:59,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:45:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:59,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:59,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:45:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:45:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:45:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:45:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:45:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:45:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:45:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:45:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:45:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:45:59,739 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:45:59,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:46:00,020 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:46:00,027 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:46:00,027 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 05:46:00,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:00 BoogieIcfgContainer [2021-11-20 05:46:00,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:46:00,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:46:00,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:46:00,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:46:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:45:59" (1/3) ... [2021-11-20 05:46:00,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e39a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:46:00, skipping insertion in model container [2021-11-20 05:46:00,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:59" (2/3) ... [2021-11-20 05:46:00,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e39a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:46:00, skipping insertion in model container [2021-11-20 05:46:00,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:00" (3/3) ... [2021-11-20 05:46:00,053 INFO L111 eAbstractionObserver]: Analyzing ICFG res1o.c [2021-11-20 05:46:00,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:46:00,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:46:00,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:46:00,157 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 [2021-11-20 05:46:00,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:46:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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) [2021-11-20 05:46:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 05:46:00,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:00,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:00,180 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:00,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1202110748, now seen corresponding path program 1 times [2021-11-20 05:46:00,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:00,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598109480] [2021-11-20 05:46:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:00,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:00,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:00,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598109480] [2021-11-20 05:46:00,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598109480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:00,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:00,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:46:00,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043623856] [2021-11-20 05:46:00,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:00,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:46:00,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:46:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:46:00,469 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-11-20 05:46:00,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:00,492 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2021-11-20 05:46:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:46:00,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2021-11-20 05:46:00,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:00,506 INFO L225 Difference]: With dead ends: 44 [2021-11-20 05:46:00,506 INFO L226 Difference]: Without dead ends: 20 [2021-11-20 05:46:00,511 INFO L932 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 [2021-11-20 05:46:00,517 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:00,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:46:00,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-20 05:46:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-20 05:46:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2021-11-20 05:46:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-20 05:46:00,586 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2021-11-20 05:46:00,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:00,587 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 05:46:00,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-11-20 05:46:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-20 05:46:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 05:46:00,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:00,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:00,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:46:00,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -944124056, now seen corresponding path program 1 times [2021-11-20 05:46:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:00,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026418864] [2021-11-20 05:46:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:00,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:00,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:00,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026418864] [2021-11-20 05:46:00,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026418864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:00,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:00,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:46:00,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062787458] [2021-11-20 05:46:00,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:00,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:46:00,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:46:00,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:46:00,787 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-11-20 05:46:00,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:00,876 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2021-11-20 05:46:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:46:00,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2021-11-20 05:46:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:00,878 INFO L225 Difference]: With dead ends: 41 [2021-11-20 05:46:00,878 INFO L226 Difference]: Without dead ends: 28 [2021-11-20 05:46:00,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:46:00,881 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:00,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 12 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:46:00,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-20 05:46:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2021-11-20 05:46:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-20 05:46:00,890 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2021-11-20 05:46:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:00,891 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-20 05:46:00,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-11-20 05:46:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-20 05:46:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 05:46:00,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:00,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:00,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:46:00,894 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1401448688, now seen corresponding path program 1 times [2021-11-20 05:46:00,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:00,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766947013] [2021-11-20 05:46:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:00,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:01,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:01,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:01,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766947013] [2021-11-20 05:46:01,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766947013] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:01,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355710850] [2021-11-20 05:46:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:01,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:01,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:01,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:46:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-20 05:46:01,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:02,098 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 [2021-11-20 05:46:02,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 05:46:02,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-20 05:46:02,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-20 05:46:02,480 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-20 05:46:02,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 31 [2021-11-20 05:46:02,793 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-20 05:46:02,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2021-11-20 05:46:03,106 INFO L354 Elim1Store]: treesize reduction 84, result has 15.2 percent of original size [2021-11-20 05:46:03,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 45 [2021-11-20 05:46:03,360 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 05:46:03,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 52 [2021-11-20 05:46:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:03,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:03,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 05:46:03,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 68 [2021-11-20 05:46:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:03,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355710850] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:03,839 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:03,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 29 [2021-11-20 05:46:03,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62034245] [2021-11-20 05:46:03,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:03,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-20 05:46:03,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:03,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-20 05:46:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2021-11-20 05:46:03,849 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 29 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 29 states have internal predecessors, (57), 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) [2021-11-20 05:46:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:04,143 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2021-11-20 05:46:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:46:04,144 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 29 states have internal predecessors, (57), 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 23 [2021-11-20 05:46:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:04,147 INFO L225 Difference]: With dead ends: 46 [2021-11-20 05:46:04,147 INFO L226 Difference]: Without dead ends: 41 [2021-11-20 05:46:04,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 29 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2021-11-20 05:46:04,149 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:04,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 65 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 91 Invalid, 0 Unknown, 38 Unchecked, 0.1s Time] [2021-11-20 05:46:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-20 05:46:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2021-11-20 05:46:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 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) [2021-11-20 05:46:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2021-11-20 05:46:04,160 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 23 [2021-11-20 05:46:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:04,161 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2021-11-20 05:46:04,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 29 states have internal predecessors, (57), 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) [2021-11-20 05:46:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2021-11-20 05:46:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 05:46:04,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:04,163 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:04,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:04,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:04,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:04,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1774307726, now seen corresponding path program 2 times [2021-11-20 05:46:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:04,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615897793] [2021-11-20 05:46:04,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:04,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 05:46:04,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:04,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615897793] [2021-11-20 05:46:04,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615897793] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:04,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517090726] [2021-11-20 05:46:04,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:46:04,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:04,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:04,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 05:46:04,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:46:04,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:04,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:46:04,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 05:46:04,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 05:46:04,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517090726] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:04,763 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:04,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-20 05:46:04,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766132324] [2021-11-20 05:46:04,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:04,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 05:46:04,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:04,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 05:46:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:46:04,769 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-11-20 05:46:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:04,979 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2021-11-20 05:46:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:46:04,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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 25 [2021-11-20 05:46:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:04,981 INFO L225 Difference]: With dead ends: 80 [2021-11-20 05:46:04,981 INFO L226 Difference]: Without dead ends: 48 [2021-11-20 05:46:04,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-11-20 05:46:04,985 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 66 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:04,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 29 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:46:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-20 05:46:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 34. [2021-11-20 05:46:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 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) [2021-11-20 05:46:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2021-11-20 05:46:05,004 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 25 [2021-11-20 05:46:05,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:05,008 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2021-11-20 05:46:05,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-11-20 05:46:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-11-20 05:46:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 05:46:05,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:05,011 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:05,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:05,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:05,214 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:05,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1964080588, now seen corresponding path program 3 times [2021-11-20 05:46:05,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:05,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119018985] [2021-11-20 05:46:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:05,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 05:46:05,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:05,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119018985] [2021-11-20 05:46:05,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119018985] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:05,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078910431] [2021-11-20 05:46:05,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:46:05,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:05,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:05,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:05,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 05:46:05,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 05:46:05,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:05,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:46:05,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 05:46:05,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 05:46:05,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078910431] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:05,568 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:05,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-20 05:46:05,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70896638] [2021-11-20 05:46:05,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:05,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 05:46:05,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:05,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 05:46:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:46:05,571 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-11-20 05:46:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:05,710 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-11-20 05:46:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:46:05,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-20 05:46:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:05,712 INFO L225 Difference]: With dead ends: 43 [2021-11-20 05:46:05,713 INFO L226 Difference]: Without dead ends: 35 [2021-11-20 05:46:05,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-11-20 05:46:05,720 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:05,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 25 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:46:05,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-20 05:46:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-11-20 05:46:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 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) [2021-11-20 05:46:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-20 05:46:05,733 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 27 [2021-11-20 05:46:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:05,734 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-20 05:46:05,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-11-20 05:46:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-20 05:46:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-20 05:46:05,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:05,736 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:05,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:05,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:05,960 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:05,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash 666081912, now seen corresponding path program 4 times [2021-11-20 05:46:05,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:05,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648625974] [2021-11-20 05:46:05,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:05,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:07,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:07,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648625974] [2021-11-20 05:46:07,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648625974] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:07,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149364833] [2021-11-20 05:46:07,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 05:46:07,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:07,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:07,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:07,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 05:46:07,505 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 05:46:07,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:07,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-20 05:46:07,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:07,546 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 [2021-11-20 05:46:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:07,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-11-20 05:46:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:07,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 05:46:08,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-11-20 05:46:08,277 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-20 05:46:08,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 38 [2021-11-20 05:46:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:08,556 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-11-20 05:46:08,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 49 [2021-11-20 05:46:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:08,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:08,812 INFO L354 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2021-11-20 05:46:08,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 57 [2021-11-20 05:46:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:09,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:09,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-11-20 05:46:09,275 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-20 05:46:09,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 40 [2021-11-20 05:46:09,458 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 05:46:09,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 48 [2021-11-20 05:46:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:09,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:12,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149364833] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:12,214 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:12,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19, 19] total 56 [2021-11-20 05:46:12,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611895878] [2021-11-20 05:46:12,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:12,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-11-20 05:46:12,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:12,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-11-20 05:46:12,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=2796, Unknown=0, NotChecked=0, Total=3080 [2021-11-20 05:46:12,218 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 56 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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) [2021-11-20 05:46:33,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:33,077 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2021-11-20 05:46:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-20 05:46:33,078 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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 31 [2021-11-20 05:46:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:33,080 INFO L225 Difference]: With dead ends: 82 [2021-11-20 05:46:33,080 INFO L226 Difference]: Without dead ends: 77 [2021-11-20 05:46:33,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2222 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=640, Invalid=6166, Unknown=0, NotChecked=0, Total=6806 [2021-11-20 05:46:33,085 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 46 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:33,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 127 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 530 Invalid, 0 Unknown, 87 Unchecked, 1.5s Time] [2021-11-20 05:46:33,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-20 05:46:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 43. [2021-11-20 05:46:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 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) [2021-11-20 05:46:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2021-11-20 05:46:33,096 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 31 [2021-11-20 05:46:33,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:33,097 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2021-11-20 05:46:33,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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) [2021-11-20 05:46:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2021-11-20 05:46:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 05:46:33,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:33,099 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:33,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:33,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:33,316 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:33,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:33,317 INFO L85 PathProgramCache]: Analyzing trace with hash 207824378, now seen corresponding path program 5 times [2021-11-20 05:46:33,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:33,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466182733] [2021-11-20 05:46:33,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:33,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-20 05:46:33,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:33,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466182733] [2021-11-20 05:46:33,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466182733] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:33,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216898885] [2021-11-20 05:46:33,410 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 05:46:33,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:33,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:33,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 05:46:33,526 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-20 05:46:33,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:33,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 05:46:33,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-20 05:46:33,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-20 05:46:33,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216898885] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:33,820 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:33,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-20 05:46:33,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470126891] [2021-11-20 05:46:33,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:33,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 05:46:33,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:33,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 05:46:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-20 05:46:33,822 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2021-11-20 05:46:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:34,039 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2021-11-20 05:46:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 05:46:34,040 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 33 [2021-11-20 05:46:34,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:34,041 INFO L225 Difference]: With dead ends: 100 [2021-11-20 05:46:34,041 INFO L226 Difference]: Without dead ends: 58 [2021-11-20 05:46:34,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-20 05:46:34,043 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 76 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:34,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 36 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:46:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-20 05:46:34,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2021-11-20 05:46:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 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) [2021-11-20 05:46:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2021-11-20 05:46:34,052 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 33 [2021-11-20 05:46:34,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:34,053 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2021-11-20 05:46:34,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2021-11-20 05:46:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-11-20 05:46:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 05:46:34,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:34,058 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:34,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:34,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 05:46:34,275 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash 236928956, now seen corresponding path program 6 times [2021-11-20 05:46:34,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:34,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018108591] [2021-11-20 05:46:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:34,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 05:46:34,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018108591] [2021-11-20 05:46:34,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018108591] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095911145] [2021-11-20 05:46:34,374 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-20 05:46:34,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:34,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:34,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 05:46:34,440 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-20 05:46:34,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:34,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 05:46:34,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 05:46:34,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 05:46:34,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095911145] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:34,731 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:34,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-20 05:46:34,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052145796] [2021-11-20 05:46:34,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:34,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 05:46:34,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:34,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 05:46:34,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-20 05:46:34,735 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2021-11-20 05:46:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:34,948 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-11-20 05:46:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 05:46:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 35 [2021-11-20 05:46:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:34,953 INFO L225 Difference]: With dead ends: 53 [2021-11-20 05:46:34,954 INFO L226 Difference]: Without dead ends: 43 [2021-11-20 05:46:34,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:46:34,955 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 53 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:34,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 33 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:46:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-20 05:46:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-11-20 05:46:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 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) [2021-11-20 05:46:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-11-20 05:46:34,964 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 35 [2021-11-20 05:46:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:34,964 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-11-20 05:46:34,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2021-11-20 05:46:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-11-20 05:46:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 05:46:34,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:34,966 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:35,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:35,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:35,186 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:35,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash 315843584, now seen corresponding path program 7 times [2021-11-20 05:46:35,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:35,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764644703] [2021-11-20 05:46:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:35,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:37,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:37,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764644703] [2021-11-20 05:46:37,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764644703] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:37,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638824785] [2021-11-20 05:46:37,711 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 05:46:37,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:37,719 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:37,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 05:46:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:37,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-20 05:46:37,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:37,808 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 [2021-11-20 05:46:37,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-20 05:46:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:37,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-20 05:46:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 05:46:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 05:46:38,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-11-20 05:46:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:38,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2021-11-20 05:46:39,066 INFO L354 Elim1Store]: treesize reduction 114, result has 16.2 percent of original size [2021-11-20 05:46:39,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 65 treesize of output 54 [2021-11-20 05:46:39,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:39,417 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-11-20 05:46:39,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 61 [2021-11-20 05:46:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:39,712 INFO L354 Elim1Store]: treesize reduction 61, result has 10.3 percent of original size [2021-11-20 05:46:39,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2021-11-20 05:46:39,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:39,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:39,994 INFO L354 Elim1Store]: treesize reduction 69, result has 9.2 percent of original size [2021-11-20 05:46:39,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 67 treesize of output 81 [2021-11-20 05:46:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,499 INFO L354 Elim1Store]: treesize reduction 138, result has 13.8 percent of original size [2021-11-20 05:46:40,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 90 [2021-11-20 05:46:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:46:40,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:46:40,815 INFO L354 Elim1Store]: treesize reduction 138, result has 13.8 percent of original size [2021-11-20 05:46:40,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 88 [2021-11-20 05:46:41,184 INFO L354 Elim1Store]: treesize reduction 252, result has 14.6 percent of original size [2021-11-20 05:46:41,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 84 treesize of output 86 [2021-11-20 05:46:41,579 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 05:46:41,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 95 treesize of output 63 [2021-11-20 05:46:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:41,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:47:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:00,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638824785] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:47:00,265 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:47:00,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 27] total 80 [2021-11-20 05:47:00,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849960297] [2021-11-20 05:47:00,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:47:00,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-11-20 05:47:00,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-11-20 05:47:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=5770, Unknown=0, NotChecked=0, Total=6320 [2021-11-20 05:47:00,276 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 80 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 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) [2021-11-20 05:47:07,065 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse1 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse0 (store .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse1) 1))) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0))) (let ((.cse74 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse1 4)) (.cse16 (select .cse15 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse33 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse1)) (.cse34 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse32 (store .cse3 .cse74 1)) (.cse12 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse11 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (.cse48 (store .cse0 .cse74 1)) (.cse61 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (or (< 2 |c_ULTIMATE.start_main_~i~0#1|) (and (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 4) .cse1)) 1) (= (select .cse0 0) 1) (= .cse2 0))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse3 .cse4) 1) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 0) (= (select .cse3 .cse5) 1) (= (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (<= (div (let ((.cse14 (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse17 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse18 (select (select (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse17))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))) (+ .cse2 .cse17 .cse18 (select (select (store .cse15 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse17 .cse18))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5)))))))) (let ((.cse13 (store (store (store (select .cse14 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse12 1) .cse11 1))) (let ((.cse8 (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse13))) (let ((.cse9 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse7 (select .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse6 (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse10 (select (select (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse7 .cse6))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12))) (+ (* .cse6 (- 1)) (* .cse7 (- 1)) (* (select (select (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse9 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse10 .cse7 .cse6))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse11) (- 1)) (* .cse10 (- 1))))))))) (- 2)) (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (<= 2 |c_ULTIMATE.start_main_~i~0#1|) (<= (div (let ((.cse25 (let ((.cse31 (store .cse32 .cse33 1))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31))) (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse27 (select .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse29 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))) (+ .cse28 .cse29 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse28 .cse29 .cse30))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse30)))))))))) (let ((.cse24 (store (store (store (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse12 1) .cse11 1))) (let ((.cse22 (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse24))) (let ((.cse23 (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (select .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse20 .cse19))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12))) (+ (* .cse19 (- 1)) (* .cse20 (- 1)) (* .cse21 (- 1)) (* (select (select (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse23 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse20 .cse19 .cse21))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse11) (- 1))))))))) (- 2)) .cse34) (<= (div (let ((.cse41 (let ((.cse47 (store .cse48 .cse33 1))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47))) (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse44 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse45 (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse46 (select (select (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))) (+ .cse44 .cse45 .cse46 (select (select (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45 .cse46))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))))))))))) (let ((.cse40 (store (store (store (select .cse41 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse12 1) .cse11 1))) (let ((.cse36 (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse40))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (select .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12))) (+ (* .cse35 (- 1)) (* (select (select (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse37 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse38 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse11) (- 1)) (* .cse39 (- 1)) (* .cse38 (- 1))))))))) (- 2)) .cse34) (= |c_ULTIMATE.start_main_~b~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~b~0#1.base|)) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (<= (div (let ((.cse55 (let ((.cse56 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (store .cse56 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse57 (select .cse56 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse60 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse58 (select (select (store .cse56 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse59 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))) (+ (select (select (store .cse56 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse58 .cse59 .cse60))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse58 .cse59 .cse60))))))))) (let ((.cse54 (store (store (store (select .cse55 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse12 1) .cse11 1))) (let ((.cse50 (store .cse55 |c_ULTIMATE.start_main_~b~0#1.base| .cse54))) (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse49 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse53 (select (select (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse52 .cse49))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12))) (+ (* .cse49 (- 1)) (* (select (select (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse52 .cse49 .cse53))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse11) (- 1)) (* .cse53 (- 1)) (* .cse52 (- 1))))))))) (- 2)) .cse61) (<= (div (let ((.cse68 (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48))) (store .cse69 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse70 (select .cse69 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse72 (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse73 (select .cse70 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse71 (select (select (store .cse69 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse72 .cse73))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))) (+ .cse71 (select (select (store .cse69 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse70 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse71 .cse72 .cse73))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse72 .cse73))))))))) (let ((.cse67 (store (store (store (select .cse68 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse12 1) .cse11 1))) (let ((.cse62 (store .cse68 |c_ULTIMATE.start_main_~b~0#1.base| .cse67))) (let ((.cse63 (select .cse62 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse64 (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse66 (select .cse63 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse65 (select (select (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse63 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse64 .cse66))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12))) (+ (* (select (select (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse63 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse64 .cse65 .cse66))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse11) (- 1)) (* .cse64 (- 1)) (* .cse65 (- 1)) (* .cse66 (- 1))))))))) (- 2)) .cse61) (< 2 c_~N~0))))))) is different from true [2021-11-20 05:47:56,875 WARN L227 SmtUtils]: Spent 12.00s on a formula simplification. DAG size of input: 225 DAG size of output: 182 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:48:33,921 WARN L227 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 224 DAG size of output: 223 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:49:18,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:18,404 INFO L93 Difference]: Finished difference Result 118 states and 134 transitions. [2021-11-20 05:49:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-20 05:49:18,405 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 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 39 [2021-11-20 05:49:18,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:49:18,406 INFO L225 Difference]: With dead ends: 118 [2021-11-20 05:49:18,406 INFO L226 Difference]: Without dead ends: 113 [2021-11-20 05:49:18,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4464 ImplicationChecksByTransitivity, 138.2s TimeCoverageRelationStatistics Valid=918, Invalid=11741, Unknown=1, NotChecked=222, Total=12882 [2021-11-20 05:49:18,411 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 94 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:49:18,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 164 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 709 Invalid, 0 Unknown, 94 Unchecked, 20.7s Time] [2021-11-20 05:49:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-20 05:49:18,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 75. [2021-11-20 05:49:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.1486486486486487) internal successors, (85), 74 states have internal predecessors, (85), 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) [2021-11-20 05:49:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-20 05:49:18,425 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 39 [2021-11-20 05:49:18,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:49:18,426 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-20 05:49:18,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 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) [2021-11-20 05:49:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-20 05:49:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 05:49:18,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:49:18,428 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:49:18,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:18,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:18,642 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:49:18,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:18,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1363759742, now seen corresponding path program 8 times [2021-11-20 05:49:18,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:18,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639529663] [2021-11-20 05:49:18,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:18,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-20 05:49:18,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:49:18,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639529663] [2021-11-20 05:49:18,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639529663] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:49:18,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513477293] [2021-11-20 05:49:18,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:49:18,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,771 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 05:49:18,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:49:18,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:49:18,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:49:18,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:49:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-20 05:49:19,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:49:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-20 05:49:19,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513477293] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:49:19,118 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:49:19,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-20 05:49:19,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109555710] [2021-11-20 05:49:19,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:49:19,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 05:49:19,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:49:19,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 05:49:19,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-11-20 05:49:19,121 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 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) [2021-11-20 05:49:19,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:19,344 INFO L93 Difference]: Finished difference Result 131 states and 145 transitions. [2021-11-20 05:49:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 05:49:19,345 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 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 41 [2021-11-20 05:49:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:49:19,346 INFO L225 Difference]: With dead ends: 131 [2021-11-20 05:49:19,346 INFO L226 Difference]: Without dead ends: 68 [2021-11-20 05:49:19,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:49:19,347 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 108 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:49:19,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 32 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:49:19,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-20 05:49:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2021-11-20 05:49:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 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) [2021-11-20 05:49:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2021-11-20 05:49:19,359 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 41 [2021-11-20 05:49:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:49:19,360 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2021-11-20 05:49:19,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 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) [2021-11-20 05:49:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-20 05:49:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 05:49:19,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:49:19,361 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:49:19,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-20 05:49:19,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 05:49:19,574 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:49:19,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:19,575 INFO L85 PathProgramCache]: Analyzing trace with hash -554920636, now seen corresponding path program 9 times [2021-11-20 05:49:19,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:19,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563850167] [2021-11-20 05:49:19,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:19,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-20 05:49:19,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:49:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563850167] [2021-11-20 05:49:19,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563850167] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:49:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808051397] [2021-11-20 05:49:19,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:49:19,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:19,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:19,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:19,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 05:49:19,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-20 05:49:19,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:49:19,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:49:19,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:49:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-20 05:49:19,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:49:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-20 05:49:20,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808051397] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:49:20,080 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:49:20,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-20 05:49:20,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940926396] [2021-11-20 05:49:20,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:49:20,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 05:49:20,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:49:20,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 05:49:20,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-11-20 05:49:20,082 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 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) [2021-11-20 05:49:20,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:20,284 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2021-11-20 05:49:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 05:49:20,285 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 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 43 [2021-11-20 05:49:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:49:20,286 INFO L225 Difference]: With dead ends: 63 [2021-11-20 05:49:20,286 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 05:49:20,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2021-11-20 05:49:20,288 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 84 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:49:20,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 25 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:49:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 05:49:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2021-11-20 05:49:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 47 states have internal predecessors, (51), 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) [2021-11-20 05:49:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2021-11-20 05:49:20,295 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 43 [2021-11-20 05:49:20,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:49:20,296 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2021-11-20 05:49:20,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 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) [2021-11-20 05:49:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2021-11-20 05:49:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 05:49:20,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:49:20,297 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:49:20,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:20,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:20,501 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:49:20,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:20,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1719679608, now seen corresponding path program 10 times [2021-11-20 05:49:20,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:20,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340993623] [2021-11-20 05:49:20,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:20,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:49:23,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:49:23,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340993623] [2021-11-20 05:49:23,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340993623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:49:23,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268325788] [2021-11-20 05:49:23,738 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 05:49:23,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:23,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:23,739 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:23,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 05:49:23,787 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 05:49:23,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:49:23,789 WARN L261 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-20 05:49:23,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:49:23,819 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 [2021-11-20 05:49:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:23,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-11-20 05:49:24,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 05:49:24,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,313 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 42 treesize of output 47 [2021-11-20 05:49:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,541 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 46 treesize of output 54 [2021-11-20 05:49:24,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:24,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2021-11-20 05:49:25,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2021-11-20 05:49:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:25,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:25,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2021-11-20 05:49:25,668 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-20 05:49:25,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 61 [2021-11-20 05:49:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:26,069 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-11-20 05:49:26,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 69 [2021-11-20 05:49:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:26,379 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-11-20 05:49:26,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 82 [2021-11-20 05:49:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:26,682 INFO L354 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2021-11-20 05:49:26,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 72 treesize of output 89 [2021-11-20 05:49:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,027 INFO L354 Elim1Store]: treesize reduction 89, result has 7.3 percent of original size [2021-11-20 05:49:27,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 79 treesize of output 99 [2021-11-20 05:49:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2021-11-20 05:49:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 68 [2021-11-20 05:49:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:49:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:49:27,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 64 [2021-11-20 05:49:28,230 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-20 05:49:28,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 79 treesize of output 63 [2021-11-20 05:49:28,438 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-20 05:49:28,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 54 [2021-11-20 05:49:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:49:28,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:50:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:50:40,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268325788] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:50:40,851 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:50:40,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 35, 35] total 104 [2021-11-20 05:50:40,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067764086] [2021-11-20 05:50:40,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:50:40,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2021-11-20 05:50:40,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:40,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-11-20 05:50:40,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=9865, Unknown=0, NotChecked=0, Total=10712 [2021-11-20 05:50:40,857 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand has 104 states, 104 states have (on average 1.2307692307692308) internal successors, (128), 104 states have internal predecessors, (128), 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) [2021-11-20 05:51:02,991 WARN L227 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 248 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:51:05,828 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse24 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse117 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse70 (store .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse117) 1)) (.cse118 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse117 4))) (let ((.cse99 (store .cse70 .cse118 1)) (.cse115 (store .cse24 .cse118 1)) (.cse116 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse117))) (let ((.cse39 (store .cse115 .cse116 1)) (.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse117)) (.cse23 (+ |c_ULTIMATE.start_main_~i~0#1| 4)) (.cse21 (store .cse99 .cse116 1)) (.cse40 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 12)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (.cse100 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (<= (div (let ((.cse10 (let ((.cse20 (store .cse21 .cse22 1))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse15 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse13 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse13 .cse14 .cse15 .cse16))))))))))) (let ((.cse9 (store (store (store (store (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse0 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse4 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse3 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4 .cse5))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse3 .cse4 .cse5))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse5 (- 1)) (* .cse2 (- 1)) (* .cse3 (- 1)) (* .cse4 (- 1)))))))))) (- 2)) .cse23) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse24 .cse19) 1) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 0) (= (select .cse24 .cse18) 1) (<= (div (let ((.cse32 (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse39))) (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse35 (select .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse36 (select .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse38 (select (select (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse37 (select (select (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse36 .cse38))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse35 .cse36 (select (select (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse34 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse35 .cse36 .cse37 .cse38))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse37 .cse38)))))))))) (let ((.cse31 (store (store (store (store (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse28 (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse31))) (let ((.cse29 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse30 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse27 (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse26 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse27))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse25 (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse27 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse25 (- 1)) (* .cse26 (- 1)) (* .cse27 (- 1)) (* (select (select (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse27 .cse26 .cse25))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse30 (- 1)))))))))) (- 2)) .cse40) (= (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (< (+ |c_ULTIMATE.start_main_~b~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (<= (div (let ((.cse48 (let ((.cse55 (store .cse39 .cse22 1))) (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse55))) (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse51 (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse53 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse54 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse51 .cse53))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse52 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse51 .cse53 .cse54))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse51 .cse52 .cse53 .cse54 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse51 .cse52 .cse53 .cse54))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17)))))))))))) (let ((.cse47 (store (store (store (store (select .cse48 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse41 (store .cse48 |c_ULTIMATE.start_main_~b~0#1.base| .cse47))) (let ((.cse42 (select .cse41 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse44 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse45 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse46 (select (select (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse43 (select (select (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45 .cse46))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse43 .cse44 .cse45 .cse46))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse46 (- 1)) (* .cse45 (- 1)) (* .cse44 (- 1)) (* .cse43 (- 1)))))))))) (- 2)) .cse23) (< 3 c_~N~0) (= (select .cse24 .cse17) 1) (= |c_ULTIMATE.start_main_~b~0#1.offset| 0) (<= (div (let ((.cse63 (let ((.cse64 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70))) (store .cse64 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse65 (select .cse64 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse67 (select .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse68 (select (select (store .cse64 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse66 .cse67))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse69 (select (select (store .cse64 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse66 .cse67 .cse68))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse66 .cse67 .cse68 .cse69 (select (select (store .cse64 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse66 .cse67 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17))))))))))) (let ((.cse62 (store (store (store (store (select .cse63 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse58 (store .cse63 |c_ULTIMATE.start_main_~b~0#1.base| .cse62))) (let ((.cse59 (select .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse60 (select .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse56 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse57 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse60 .cse56))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse61 (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse60 .cse56 .cse57))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse56 (- 1)) (* .cse57 (- 1)) (* (select (select (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse60 .cse56 .cse61 .cse57))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse60 (- 1)) (* .cse61 (- 1)))))))))) (- 2)) (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (<= (div (let ((.cse78 (let ((.cse79 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21))) (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse80 (select .cse79 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse80 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse81 (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse82 (select .cse80 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse83 (select (select (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse80 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse84 (select (select (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse80 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse81 .cse82 .cse83))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse81 .cse82 (select (select (store .cse79 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse80 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse81 .cse82 .cse83 .cse84))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse83 .cse84)))))))))) (let ((.cse77 (store (store (store (store (select .cse78 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse71 (store .cse78 |c_ULTIMATE.start_main_~b~0#1.base| .cse77))) (let ((.cse72 (select .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse74 (select .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse76 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse75 (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse74 .cse76))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse73 (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse74 .cse75 .cse76))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse71 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse72 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse73 .cse74 .cse75 .cse76))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse75 (- 1)) (* .cse76 (- 1)) (* .cse73 (- 1)) (* .cse74 (- 1)))))))))) (- 2)) .cse40) (<= (div (let ((.cse92 (let ((.cse93 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99))) (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse94 (select .cse93 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse97 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse98 (select .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse95 (select (select (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse97 .cse98))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse95 .cse97 .cse98))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse95 .cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse94 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse95 .cse96 .cse97 .cse98))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse97 .cse98)))))))))) (let ((.cse91 (store (store (store (store (select .cse92 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse89 (store .cse92 |c_ULTIMATE.start_main_~b~0#1.base| .cse91))) (let ((.cse90 (select .cse89 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse86 (select .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse88 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse85 (select (select (store .cse89 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse86 .cse88))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse87 (select (select (store .cse89 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse85 .cse86 .cse88))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse85 (- 1)) (* .cse86 (- 1)) (* .cse87 (- 1)) (* .cse88 (- 1)) (* (select (select (store .cse89 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse90 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse85 .cse87 .cse86 .cse88))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)))))))))) (- 2)) .cse100) (<= (div (let ((.cse108 (let ((.cse109 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse115))) (store .cse109 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse110 (select .cse109 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse110 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse113 (select .cse110 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse114 (select .cse115 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse112 (select (select (store .cse109 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse110 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse113 .cse114))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse111 (select (select (store .cse109 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse110 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse112 .cse113 .cse114))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse109 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse110 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse111 .cse112 .cse113 .cse114))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse111 .cse112 .cse113 .cse114)))))))))) (let ((.cse107 (store (store (store (store (select .cse108 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse102 (store .cse108 |c_ULTIMATE.start_main_~b~0#1.base| .cse107))) (let ((.cse103 (select .cse102 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse101 (select .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse106 (select .cse107 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse105 (select (select (store .cse102 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse101 .cse106))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse104 (select (select (store .cse102 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse101 .cse105 .cse106))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse101 (- 1)) (* (select (select (store .cse102 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse103 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse104 .cse101 .cse105 .cse106))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse104 (- 1)) (* .cse106 (- 1)) (* .cse105 (- 1)))))))))) (- 2)) .cse100)))))) is different from true [2021-11-20 05:51:07,842 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse34 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse50 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse65 (store .cse34 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse50 4) 1))) (let ((.cse20 (store .cse65 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse50) 1)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 12)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (<= (div (let ((.cse10 (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse13 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse14 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse15 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse13 .cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse15 .cse16)))))))))) (let ((.cse9 (store (store (store (store (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse3 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse2 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse0 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse0 (- 1)) (* .cse1 (- 1)) (* .cse2 (- 1)) (* (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1 .cse0))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse5 (- 1)))))))))) (- 2)) (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (<= (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse29 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse30 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse31 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse32 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse31 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse30 .cse31 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse29 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse30 .cse31 .cse32 .cse33))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse32 .cse33))))))))) (let ((.cse27 (store (store (store (store (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse21 (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse27))) (let ((.cse22 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse24 (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse26 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse25 (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse23 (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse24 .cse25 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse23 .cse24 .cse25 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse23 .cse24 .cse25 .cse26)))))))) (* 2 c_~N~0)) (<= (div (let ((.cse42 (let ((.cse49 (store .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse50) 1))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse49))) (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse45 (select .cse49 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse47 (select .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse48 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse47))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse46 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse45 .cse46 .cse47 .cse48 (select (select (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse44 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse46 .cse47 .cse48))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17)))))))))))) (let ((.cse41 (store (store (store (store (select .cse42 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse35 (store .cse42 |c_ULTIMATE.start_main_~b~0#1.base| .cse41))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (select .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse40 (select (select (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse37 (select (select (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse35 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse36 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse37 .cse38 .cse39 .cse40))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse40 (- 1)) (* .cse39 (- 1)) (* .cse38 (- 1)) (* .cse37 (- 1)))))))))) (- 2)) (+ |c_ULTIMATE.start_main_~i~0#1| 4)) (<= (div (let ((.cse58 (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse65))) (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse60 (select .cse59 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse63 (select .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse64 (select .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse62 (select (select (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse61 (select (select (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse59 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse60 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse61 .cse62 .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse61 .cse62 .cse63 .cse64)))))))))) (let ((.cse57 (store (store (store (store (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse52 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| .cse57))) (let ((.cse53 (select .cse52 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse51 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse56 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse55 (select (select (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse51 .cse56))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse54 (select (select (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse51 .cse55 .cse56))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse51 (- 1)) (* (select (select (store .cse52 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse54 .cse51 .cse55 .cse56))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse54 (- 1)) (* .cse56 (- 1)) (* .cse55 (- 1)))))))))) (- 2)) (+ 2 |c_ULTIMATE.start_main_~i~0#1|)))))) is different from false [2021-11-20 05:52:44,248 WARN L227 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 245 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:52:46,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:48,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:50,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:51,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:54,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:56,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:52:58,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:00,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:02,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:04,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:06,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:08,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:09,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:11,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:13,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:15,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:17,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:18,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:20,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:21,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:23,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:25,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:29,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:30,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:32,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:34,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:36,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:38,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:39,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:42,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:44,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:45,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:47,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:49,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:53:51,993 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse99 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse52 (store .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse99) 1)) (.cse98 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse99 4))) (let ((.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse99)) (.cse23 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse68 (store .cse52 .cse98 1)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 12)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (.cse21 (store .cse37 .cse98 1)) (.cse83 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (<= (div (let ((.cse10 (let ((.cse20 (store .cse21 .cse22 1))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse13 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse14 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse15 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse13 .cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse15 .cse16))))))))))) (let ((.cse9 (store (store (store (store (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse3 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse2 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse0 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse0 (- 1)) (* .cse1 (- 1)) (* .cse2 (- 1)) (* (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1 .cse0))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse5 (- 1)))))))))) (- 2)) .cse23) (<= (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse33 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse34 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse35 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse34 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse33 .cse34 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse34 .cse35 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse35 .cse36))))))))) (let ((.cse30 (store (store (store (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse24 (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse29 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse28 (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse26 (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse28 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse26 .cse27 .cse28 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse26 .cse27 .cse28 .cse29)))))))) (* 2 c_~N~0)) (<= (div (let ((.cse45 (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52))) (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse49 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse50 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse51 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49 .cse50))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse48 .cse49 .cse50 .cse51 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49 .cse50 .cse51))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17))))))))))) (let ((.cse44 (store (store (store (store (select .cse45 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse40 (store .cse45 |c_ULTIMATE.start_main_~b~0#1.base| .cse44))) (let ((.cse41 (select .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse42 (select .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse38 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse43 (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse38 (- 1)) (* .cse39 (- 1)) (* (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38 .cse43 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse42 (- 1)) (* .cse43 (- 1)))))))))) (- 2)) (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (<= (div (let ((.cse60 (let ((.cse67 (store .cse68 .cse22 1))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse63 (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse64 (select .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse65 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse66 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64 .cse65))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse63 .cse64 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64 .cse65 .cse66))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse65 .cse66))))))))))) (let ((.cse59 (store (store (store (store (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse53 (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse59))) (let ((.cse54 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse56 (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse58 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse57 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse55 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse55 .cse56 .cse57 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse57 (- 1)) (* .cse58 (- 1)) (* .cse55 (- 1)) (* .cse56 (- 1)))))))))) (- 2)) .cse23) (<= (div (let ((.cse76 (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse78 (select .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse81 (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse82 (select .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse80 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse79 .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse79 .cse80 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse79 .cse80 .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse81 .cse82)))))))))) (let ((.cse75 (store (store (store (store (select .cse76 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse73 (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse75))) (let ((.cse74 (select .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse70 (select .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse72 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse69 (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse71 (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse69 .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse69 (- 1)) (* .cse70 (- 1)) (* .cse71 (- 1)) (* .cse72 (- 1)) (* (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse69 .cse71 .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)))))))))) (- 2)) .cse83) (<= (div (let ((.cse91 (let ((.cse92 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21))) (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse93 (select .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse96 (select .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse97 (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse95 (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse94 (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse95 .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse94 .cse95 .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse94 .cse95 .cse96 .cse97)))))))))) (let ((.cse90 (store (store (store (store (select .cse91 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse85 (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| .cse90))) (let ((.cse86 (select .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse84 (select .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse89 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse88 (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse84 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse87 (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse84 .cse88 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse84 (- 1)) (* (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse87 .cse84 .cse88 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse87 (- 1)) (* .cse89 (- 1)) (* .cse88 (- 1)))))))))) (- 2)) .cse83))))) is different from false [2021-11-20 05:53:54,005 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse99 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse52 (store .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse99) 1)) (.cse98 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse99 4))) (let ((.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse99)) (.cse23 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse68 (store .cse52 .cse98 1)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 12)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (.cse21 (store .cse37 .cse98 1)) (.cse83 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (<= (div (let ((.cse10 (let ((.cse20 (store .cse21 .cse22 1))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse13 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse14 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse15 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse13 .cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse15 .cse16))))))))))) (let ((.cse9 (store (store (store (store (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse3 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse5 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse2 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse1 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse0 (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse0 (- 1)) (* .cse1 (- 1)) (* .cse2 (- 1)) (* (select (select (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse2 .cse1 .cse0))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse5 (- 1)))))))))) (- 2)) .cse23) (<= (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse33 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse34 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse35 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse34 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse33 .cse34 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse33 .cse34 .cse35 .cse36))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse35 .cse36))))))))) (let ((.cse30 (store (store (store (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse24 (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse27 (select .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse29 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse28 (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse26 (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse27 .cse28 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse25 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse26 .cse27 .cse28 .cse29))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse26 .cse27 .cse28 .cse29)))))))) (* 2 c_~N~0)) (<= (div (let ((.cse45 (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52))) (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse48 (select .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse49 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse50 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse51 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49 .cse50))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse48 .cse49 .cse50 .cse51 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse48 .cse49 .cse50 .cse51))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17))))))))))) (let ((.cse44 (store (store (store (store (select .cse45 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse40 (store .cse45 |c_ULTIMATE.start_main_~b~0#1.base| .cse44))) (let ((.cse41 (select .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse42 (select .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse38 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse39 (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse43 (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse38 (- 1)) (* .cse39 (- 1)) (* (select (select (store .cse40 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse41 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse42 .cse38 .cse43 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse42 (- 1)) (* .cse43 (- 1)))))))))) (- 2)) (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (<= (div (let ((.cse60 (let ((.cse67 (store .cse68 .cse22 1))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse63 (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse64 (select .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse65 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse66 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64 .cse65))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse63 .cse64 (select (select (store .cse61 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse62 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse63 .cse64 .cse65 .cse66))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse65 .cse66))))))))))) (let ((.cse59 (store (store (store (store (select .cse60 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse53 (store .cse60 |c_ULTIMATE.start_main_~b~0#1.base| .cse59))) (let ((.cse54 (select .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse56 (select .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse58 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse57 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse55 (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse56 .cse57 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse53 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse54 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse55 .cse56 .cse57 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse57 (- 1)) (* .cse58 (- 1)) (* .cse55 (- 1)) (* .cse56 (- 1)))))))))) (- 2)) .cse23) (<= (div (let ((.cse76 (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse68))) (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse78 (select .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse81 (select .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse82 (select .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse80 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse79 .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse79 .cse80 (select (select (store .cse77 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse78 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse79 .cse80 .cse81 .cse82))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse81 .cse82)))))))))) (let ((.cse75 (store (store (store (store (select .cse76 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse73 (store .cse76 |c_ULTIMATE.start_main_~b~0#1.base| .cse75))) (let ((.cse74 (select .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse70 (select .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse72 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse69 (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse71 (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse69 .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse69 (- 1)) (* .cse70 (- 1)) (* .cse71 (- 1)) (* .cse72 (- 1)) (* (select (select (store .cse73 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse74 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse69 .cse71 .cse70 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)))))))))) (- 2)) .cse83) (<= (div (let ((.cse91 (let ((.cse92 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21))) (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse93 (select .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse96 (select .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse97 (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse95 (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse94 (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse95 .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse92 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse93 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse94 .cse95 .cse96 .cse97))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse94 .cse95 .cse96 .cse97)))))))))) (let ((.cse90 (store (store (store (store (select .cse91 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse85 (store .cse91 |c_ULTIMATE.start_main_~b~0#1.base| .cse90))) (let ((.cse86 (select .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse84 (select .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse89 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse88 (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse84 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse87 (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse84 .cse88 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse84 (- 1)) (* (select (select (store .cse85 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse86 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse87 .cse84 .cse88 .cse89))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse87 (- 1)) (* .cse89 (- 1)) (* .cse88 (- 1)))))))))) (- 2)) .cse83))))) is different from true [2021-11-20 05:54:59,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:55:01,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:56:32,518 WARN L227 SmtUtils]: Spent 9.93s on a formula simplification that was a NOOP. DAG size: 242 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:56:35,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:56:37,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:56:41,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:56:42,797 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:56:44,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:57:10,624 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse72 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse71 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse73 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse72 4)) (.cse74 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8 .cse72))) (let ((.cse38 (store (store .cse71 .cse73 1) .cse74 1)) (.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12 .cse72)) (.cse23 (+ |c_ULTIMATE.start_main_~i~0#1| 4)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4)) (.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 12)) (.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 12)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (.cse21 (store (store (store .cse71 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse72) 1) .cse73 1) .cse74 1)) (.cse39 (+ 3 |c_ULTIMATE.start_main_~i~0#1|))) (and (<= (div (let ((.cse10 (let ((.cse20 (store .cse21 .cse22 1))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse15 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (select .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse13 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse12 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse13 .cse14 .cse15 .cse16))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse13 .cse14 .cse15 .cse16))))))))))) (let ((.cse9 (store (store (store (store (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse0 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse4 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse3 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse4 .cse5))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse2 .cse3 .cse4 .cse5))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse5 (- 1)) (* .cse2 (- 1)) (* .cse3 (- 1)) (* .cse4 (- 1)))))))))) (- 2)) .cse23) (<= (div (let ((.cse31 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse38))) (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse35 (select .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse37 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse34 .cse35))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse36 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse34 .cse35 .cse37))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse34 .cse35 (select (select (store .cse32 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse33 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse34 .cse35 .cse36 .cse37))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse36 .cse37)))))))))) (let ((.cse30 (store (store (store (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse27 (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30))) (let ((.cse28 (select .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse29 (select .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse26 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse25 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse24 (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse26 .cse25))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* .cse24 (- 1)) (* .cse25 (- 1)) (* .cse26 (- 1)) (* (select (select (store .cse27 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse28 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse29 .cse26 .cse25 .cse24))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse29 (- 1)))))))))) (- 2)) .cse39) (< (+ |c_ULTIMATE.start_main_~b~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (let ((.cse41 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse40 (select .cse41 12))) (and (= (+ 3 .cse40) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (= (select .cse41 0) 1) (= 1 (select .cse41 4)) (< (+ |ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (= (select .cse41 8) 1) (= .cse40 1))))) (<= (div (let ((.cse49 (let ((.cse56 (store .cse38 .cse22 1))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse52 (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse55 (select (select (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse52 .cse54))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse53 (select (select (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse52 .cse54 .cse55))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse52 .cse53 .cse54 .cse55 (select (select (store .cse50 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse51 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse52 .cse53 .cse54 .cse55))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17)))))))))))) (let ((.cse48 (store (store (store (store (select .cse49 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse42 (store .cse49 |c_ULTIMATE.start_main_~b~0#1.base| .cse48))) (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse45 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse46 (select .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse47 (select (select (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse46))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse44 (select (select (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse45 .cse46 .cse47))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse42 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse43 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse44 .cse45 .cse46 .cse47))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse47 (- 1)) (* .cse46 (- 1)) (* .cse45 (- 1)) (* .cse44 (- 1)))))))))) (- 2)) .cse23) (< 3 c_~N~0) (= |c_ULTIMATE.start_main_~b~0#1.offset| 0) (<= (div (let ((.cse64 (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21))) (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (let ((.cse67 (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse68 (select .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse69 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse19))) (let ((.cse70 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68 .cse69))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse18))) (+ .cse67 .cse68 (select (select (store .cse65 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse66 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse67 .cse68 .cse69 .cse70))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse17) .cse69 .cse70)))))))))) (let ((.cse63 (store (store (store (store (select .cse64 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1) .cse8 1) .cse7 1) .cse6 1))) (let ((.cse57 (store .cse64 |c_ULTIMATE.start_main_~b~0#1.base| .cse63))) (let ((.cse58 (select .cse57 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse60 (select .cse58 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse62 (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse61 (select (select (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse60 .cse62))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse59 (select (select (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse60 .cse61 .cse62))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))) (+ (* (select (select (store .cse57 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse58 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse59 .cse60 .cse61 .cse62))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) (- 1)) (* .cse61 (- 1)) (* .cse62 (- 1)) (* .cse59 (- 1)) (* .cse60 (- 1)))))))))) (- 2)) .cse39))))) is different from true [2021-11-20 05:57:59,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:57:59,061 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2021-11-20 05:57:59,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-20 05:57:59,062 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 104 states have (on average 1.2307692307692308) internal successors, (128), 104 states have internal predecessors, (128), 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 47 [2021-11-20 05:57:59,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:57:59,063 INFO L225 Difference]: With dead ends: 132 [2021-11-20 05:57:59,063 INFO L226 Difference]: Without dead ends: 127 [2021-11-20 05:57:59,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 6268 ImplicationChecksByTransitivity, 406.0s TimeCoverageRelationStatistics Valid=1102, Invalid=14630, Unknown=34, NotChecked=1004, Total=16770 [2021-11-20 05:57:59,069 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 127 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 141 IncrementalHoareTripleChecker+Unchecked, 107.5s IncrementalHoareTripleChecker+Time [2021-11-20 05:57:59,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 211 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1562 Invalid, 15 Unknown, 141 Unchecked, 107.5s Time] [2021-11-20 05:57:59,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-20 05:57:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-11-20 05:57:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.150943396226415) internal successors, (122), 106 states have internal predecessors, (122), 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) [2021-11-20 05:57:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2021-11-20 05:57:59,101 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 47 [2021-11-20 05:57:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:57:59,101 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2021-11-20 05:57:59,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 1.2307692307692308) internal successors, (128), 104 states have internal predecessors, (128), 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) [2021-11-20 05:57:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2021-11-20 05:57:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 05:57:59,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:57:59,104 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:57:59,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-20 05:57:59,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 05:57:59,318 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:57:59,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:57:59,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1003539722, now seen corresponding path program 11 times [2021-11-20 05:57:59,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:57:59,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302630412] [2021-11-20 05:57:59,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:57:59,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:57:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:57:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-20 05:57:59,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:57:59,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302630412] [2021-11-20 05:57:59,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302630412] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:57:59,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041609259] [2021-11-20 05:57:59,459 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 05:57:59,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:57:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:57:59,460 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:57:59,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 05:57:59,810 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-11-20 05:57:59,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:57:59,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 05:57:59,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:58:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-20 05:58:00,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:58:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-20 05:58:00,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041609259] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:58:00,127 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:58:00,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-20 05:58:00,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931452771] [2021-11-20 05:58:00,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:58:00,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 05:58:00,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:58:00,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 05:58:00,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:58:00,129 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 20 states, 20 states have (on average 3.4) internal successors, (68), 20 states have internal predecessors, (68), 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) [2021-11-20 05:58:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:58:00,408 INFO L93 Difference]: Finished difference Result 183 states and 204 transitions. [2021-11-20 05:58:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 05:58:00,409 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.4) internal successors, (68), 20 states have internal predecessors, (68), 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 49 [2021-11-20 05:58:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:58:00,409 INFO L225 Difference]: With dead ends: 183 [2021-11-20 05:58:00,409 INFO L226 Difference]: Without dead ends: 106 [2021-11-20 05:58:00,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2021-11-20 05:58:00,411 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 154 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:58:00,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 33 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:58:00,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-20 05:58:00,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 92. [2021-11-20 05:58:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.10989010989011) internal successors, (101), 91 states have internal predecessors, (101), 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) [2021-11-20 05:58:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2021-11-20 05:58:00,429 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 49 [2021-11-20 05:58:00,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:58:00,430 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2021-11-20 05:58:00,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.4) internal successors, (68), 20 states have internal predecessors, (68), 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) [2021-11-20 05:58:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-11-20 05:58:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 05:58:00,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:58:00,431 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:58:00,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:58:00,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 05:58:00,642 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:58:00,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:58:00,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1391362764, now seen corresponding path program 12 times [2021-11-20 05:58:00,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:58:00,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262682248] [2021-11-20 05:58:00,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:58:00,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:58:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:58:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 05:58:00,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:58:00,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262682248] [2021-11-20 05:58:00,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262682248] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:58:00,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178411338] [2021-11-20 05:58:00,812 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-20 05:58:00,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:58:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:58:00,813 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:58:00,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 05:58:00,954 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-11-20 05:58:00,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:58:00,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 05:58:00,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:58:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 05:58:01,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:58:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 05:58:01,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178411338] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:58:01,278 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:58:01,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-20 05:58:01,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484370551] [2021-11-20 05:58:01,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:58:01,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 05:58:01,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:58:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 05:58:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:58:01,279 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:58:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:58:01,622 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2021-11-20 05:58:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 05:58:01,622 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-20 05:58:01,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:58:01,623 INFO L225 Difference]: With dead ends: 101 [2021-11-20 05:58:01,623 INFO L226 Difference]: Without dead ends: 77 [2021-11-20 05:58:01,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2021-11-20 05:58:01,624 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 57 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:58:01,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 34 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:58:01,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-20 05:58:01,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 56. [2021-11-20 05:58:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 55 states have internal predecessors, (59), 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) [2021-11-20 05:58:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2021-11-20 05:58:01,636 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 51 [2021-11-20 05:58:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:58:01,636 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2021-11-20 05:58:01,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:58:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2021-11-20 05:58:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 05:58:01,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:58:01,638 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:58:01,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:58:01,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:58:01,850 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:58:01,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:58:01,851 INFO L85 PathProgramCache]: Analyzing trace with hash -162480368, now seen corresponding path program 13 times [2021-11-20 05:58:01,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:58:01,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757976181] [2021-11-20 05:58:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:58:01,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:58:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:58:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:58:05,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:58:05,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757976181] [2021-11-20 05:58:05,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757976181] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:58:05,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67085410] [2021-11-20 05:58:05,756 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 05:58:05,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:58:05,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:58:05,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:58:05,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4169727c-e368-4ffb-ab75-cd6a7787838d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-20 05:58:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:58:05,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-20 05:58:05,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:58:05,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-20 05:58:05,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 05:58:05,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-11-20 05:58:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-20 05:58:06,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,271 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 39 treesize of output 44 [2021-11-20 05:58:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,485 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 48 treesize of output 56 [2021-11-20 05:58:06,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:06,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 05:58:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2021-11-20 05:58:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 78 [2021-11-20 05:58:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 77 [2021-11-20 05:58:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:07,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:07,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 81 [2021-11-20 05:58:08,267 INFO L354 Elim1Store]: treesize reduction 190, result has 15.9 percent of original size [2021-11-20 05:58:08,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 85 treesize of output 72 [2021-11-20 05:58:08,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,667 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-11-20 05:58:08,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 89 treesize of output 83 [2021-11-20 05:58:08,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:08,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:08,987 INFO L354 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2021-11-20 05:58:08,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 85 treesize of output 94 [2021-11-20 05:58:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,340 INFO L354 Elim1Store]: treesize reduction 93, result has 7.0 percent of original size [2021-11-20 05:58:09,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 97 treesize of output 109 [2021-11-20 05:58:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:09,719 INFO L354 Elim1Store]: treesize reduction 101, result has 6.5 percent of original size [2021-11-20 05:58:09,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 93 treesize of output 112 [2021-11-20 05:58:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,154 INFO L354 Elim1Store]: treesize reduction 109, result has 6.0 percent of original size [2021-11-20 05:58:10,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 100 treesize of output 122 [2021-11-20 05:58:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2021-11-20 05:58:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:10,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 78 [2021-11-20 05:58:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 73 [2021-11-20 05:58:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 05:58:11,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 05:58:11,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 75 [2021-11-20 05:58:11,767 INFO L354 Elim1Store]: treesize reduction 190, result has 15.9 percent of original size [2021-11-20 05:58:11,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 80 treesize of output 71 [2021-11-20 05:58:12,044 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-11-20 05:58:12,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 107 treesize of output 59 [2021-11-20 05:58:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:58:12,174 INFO L328 TraceCheckSpWp]: Computing backward predicates...