./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:49:29,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:49:29,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:49:29,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:49:29,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:49:29,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:49:29,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:49:29,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:49:29,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:49:29,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:49:29,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:49:29,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:49:29,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:49:29,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:49:29,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:49:29,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:49:29,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:49:29,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:49:29,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:49:29,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:49:29,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:49:29,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:49:29,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:49:29,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:49:29,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:49:29,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:49:29,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:49:29,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:49:29,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:49:29,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:49:29,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:49:29,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:49:29,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:49:29,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:49:29,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:49:29,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:49:29,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:49:29,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:49:29,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:49:29,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:49:29,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:49:29,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-13 17:49:29,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:49:29,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:49:29,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:49:29,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:49:29,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:49:29,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:49:29,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:49:29,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:49:29,680 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:49:29,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:49:29,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:49:29,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:49:29,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:49:29,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:49:29,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:49:29,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:49:29,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:49:29,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:49:29,683 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 17:49:29,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:49:29,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:49:29,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:49:29,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:49:29,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:49:29,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:49:29,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:49:29,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:29,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:49:29,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:49:29,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:49:29,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:49:29,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:49:29,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:49:29,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:49:29,687 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_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2021-11-13 17:49:29,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:49:29,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:49:29,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:49:30,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:49:30,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:49:30,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-13 17:49:30,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/data/151ea89e5/ea558e1f3e174b0983addc4726504c25/FLAG6db4cd05e [2021-11-13 17:49:30,821 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:49:30,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-13 17:49:30,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/data/151ea89e5/ea558e1f3e174b0983addc4726504c25/FLAG6db4cd05e [2021-11-13 17:49:30,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/data/151ea89e5/ea558e1f3e174b0983addc4726504c25 [2021-11-13 17:49:30,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:49:30,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:49:30,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:30,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:49:30,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:49:30,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:30" (1/1) ... [2021-11-13 17:49:30,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212e22d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:30, skipping insertion in model container [2021-11-13 17:49:30,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:30" (1/1) ... [2021-11-13 17:49:30,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:49:31,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:49:31,579 WARN L228 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_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-13 17:49:31,911 WARN L228 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_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-13 17:49:31,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:31,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:49:31,972 WARN L228 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_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-13 17:49:32,186 WARN L228 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_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-13 17:49:32,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:32,231 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:49:32,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32 WrapperNode [2021-11-13 17:49:32,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:32,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:32,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:49:32,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:49:32,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:32,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:49:32,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:49:32,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:49:32,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:49:32,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:49:32,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:49:32,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:49:32,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (1/1) ... [2021-11-13 17:49:32,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:32,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:49:32,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:49:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:49:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 17:49:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 17:49:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:49:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:49:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:49:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:49:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:49:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:49:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 17:49:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:49:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:49:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:49:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:49:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:49:35,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:49:35,383 INFO L299 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-13 17:49:35,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:35 BoogieIcfgContainer [2021-11-13 17:49:35,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:49:35,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:49:35,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:49:35,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:49:35,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:49:30" (1/3) ... [2021-11-13 17:49:35,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef6daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:35, skipping insertion in model container [2021-11-13 17:49:35,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:32" (2/3) ... [2021-11-13 17:49:35,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef6daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:35, skipping insertion in model container [2021-11-13 17:49:35,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:35" (3/3) ... [2021-11-13 17:49:35,399 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2021-11-13 17:49:35,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:49:35,412 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-13 17:49:35,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:49:35,483 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:49:35,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-13 17:49:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 17:49:35,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:35,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:35,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-13 17:49:35,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:35,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109235689] [2021-11-13 17:49:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:35,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:35,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:35,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109235689] [2021-11-13 17:49:35,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109235689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:35,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:35,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:49:35,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88796912] [2021-11-13 17:49:35,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:35,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:49:35,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:35,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:49:35,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:49:35,839 INFO L87 Difference]: Start difference. First operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 17:49:36,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:36,060 INFO L93 Difference]: Finished difference Result 2356 states and 5068 transitions. [2021-11-13 17:49:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:49:36,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-13 17:49:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:36,117 INFO L225 Difference]: With dead ends: 2356 [2021-11-13 17:49:36,117 INFO L226 Difference]: Without dead ends: 1175 [2021-11-13 17:49:36,135 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 [2021-11-13 17:49:36,140 INFO L933 BasicCegarLoop]: 2225 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:36,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 21.92ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 17:49:36,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-13 17:49:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2021-11-13 17:49:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2021-11-13 17:49:36,824 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2021-11-13 17:49:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:36,824 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2021-11-13 17:49:36,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 17:49:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2021-11-13 17:49:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 17:49:36,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:36,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:36,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:49:36,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-13 17:49:36,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:36,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554999006] [2021-11-13 17:49:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:36,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:36,882 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:49:36,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003037983] [2021-11-13 17:49:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:36,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:36,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:36,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:49:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:37,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:49:37,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:37,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:49:37,152 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 [2021-11-13 17:49:37,217 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:49:37,218 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 11 treesize of output 11 [2021-11-13 17:49:37,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-13 17:49:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:37,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:49:37,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:37,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554999006] [2021-11-13 17:49:37,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:49:37,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003037983] [2021-11-13 17:49:37,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003037983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:37,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:37,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:49:37,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961854233] [2021-11-13 17:49:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:37,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:49:37,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:49:37,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:49:37,311 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-11-13 17:49:40,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:40,732 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2021-11-13 17:49:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:49:40,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2021-11-13 17:49:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:40,757 INFO L225 Difference]: With dead ends: 2292 [2021-11-13 17:49:40,757 INFO L226 Difference]: Without dead ends: 2290 [2021-11-13 17:49:40,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:49:40,760 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 1185 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2658.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.37ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3103.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:40,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1685 Valid, 8642 Invalid, 1760 Unknown, 0 Unchecked, 68.37ms Time], IncrementalHoareTripleChecker [15 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 3103.00ms Time] [2021-11-13 17:49:40,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-13 17:49:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2021-11-13 17:49:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2021-11-13 17:49:41,135 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2021-11-13 17:49:41,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:41,136 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2021-11-13 17:49:41,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-11-13 17:49:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2021-11-13 17:49:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 17:49:41,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:41,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:41,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:49:41,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:41,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:41,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-13 17:49:41,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:41,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712211422] [2021-11-13 17:49:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:41,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:41,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:41,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712211422] [2021-11-13 17:49:41,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712211422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:41,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:41,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:49:41,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312964904] [2021-11-13 17:49:41,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:41,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:49:41,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:41,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:49:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:49:41,448 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:42,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:42,613 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2021-11-13 17:49:42,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:49:42,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-13 17:49:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:42,638 INFO L225 Difference]: With dead ends: 3322 [2021-11-13 17:49:42,638 INFO L226 Difference]: Without dead ends: 2249 [2021-11-13 17:49:42,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:49:42,646 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 1089 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 770.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.94ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 961.30ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:42,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1589 Valid, 7043 Invalid, 621 Unknown, 0 Unchecked, 37.94ms Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 961.30ms Time] [2021-11-13 17:49:42,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-11-13 17:49:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2021-11-13 17:49:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2021-11-13 17:49:42,977 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2021-11-13 17:49:42,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:42,978 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2021-11-13 17:49:42,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:42,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2021-11-13 17:49:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 17:49:42,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:42,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:42,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:49:42,985 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:42,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-13 17:49:42,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:42,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728714949] [2021-11-13 17:49:42,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:43,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:43,024 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:49:43,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437458378] [2021-11-13 17:49:43,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:43,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:43,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:43,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:43,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:49:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:43,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:49:43,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:43,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:49:43,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:43,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728714949] [2021-11-13 17:49:43,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:49:43,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437458378] [2021-11-13 17:49:43,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437458378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:43,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:43,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:49:43,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57457348] [2021-11-13 17:49:43,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:43,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:49:43,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:49:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:49:43,300 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-13 17:49:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:43,436 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2021-11-13 17:49:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:49:43,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 57 [2021-11-13 17:49:43,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:43,449 INFO L225 Difference]: With dead ends: 2375 [2021-11-13 17:49:43,450 INFO L226 Difference]: Without dead ends: 1202 [2021-11-13 17:49:43,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:49:43,457 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.32ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.17ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:43,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 10.32ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 55.17ms Time] [2021-11-13 17:49:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2021-11-13 17:49:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2021-11-13 17:49:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2021-11-13 17:49:43,623 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2021-11-13 17:49:43,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:43,624 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2021-11-13 17:49:43,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-13 17:49:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2021-11-13 17:49:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 17:49:43,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:43,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:43,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:49:43,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:43,840 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:43,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-13 17:49:43,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:43,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149065603] [2021-11-13 17:49:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:43,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:43,884 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:49:43,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078675736] [2021-11-13 17:49:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:43,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:43,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:43,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:43,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 17:49:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:44,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:49:44,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:44,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:49:44,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:44,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149065603] [2021-11-13 17:49:44,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:49:44,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078675736] [2021-11-13 17:49:44,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078675736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:44,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:44,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:49:44,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392721300] [2021-11-13 17:49:44,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:44,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:49:44,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:44,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:49:44,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:49:44,181 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2021-11-13 17:49:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:44,340 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2021-11-13 17:49:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:49:44,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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 57 [2021-11-13 17:49:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:44,353 INFO L225 Difference]: With dead ends: 2384 [2021-11-13 17:49:44,353 INFO L226 Difference]: Without dead ends: 1191 [2021-11-13 17:49:44,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:49:44,361 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.67ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.25ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:44,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 14.67ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 59.25ms Time] [2021-11-13 17:49:44,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2021-11-13 17:49:44,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2021-11-13 17:49:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-13 17:49:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2021-11-13 17:49:44,564 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2021-11-13 17:49:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:44,565 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2021-11-13 17:49:44,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2021-11-13 17:49:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2021-11-13 17:49:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 17:49:44,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:44,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:44,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:49:44,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:44,784 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:44,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-13 17:49:44,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:44,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260648144] [2021-11-13 17:49:44,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:44,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:49:44,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593521427] [2021-11-13 17:49:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:44,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:44,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:44,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:44,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:49:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:44,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:49:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:45,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:49:45,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:45,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260648144] [2021-11-13 17:49:45,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:49:45,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593521427] [2021-11-13 17:49:45,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593521427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:45,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:45,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:49:45,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896964978] [2021-11-13 17:49:45,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:45,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:49:45,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:45,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:49:45,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:49:45,272 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-13 17:49:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:45,474 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2021-11-13 17:49:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:49:45,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 57 [2021-11-13 17:49:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:45,497 INFO L225 Difference]: With dead ends: 3460 [2021-11-13 17:49:45,498 INFO L226 Difference]: Without dead ends: 2281 [2021-11-13 17:49:45,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:49:45,505 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.27ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.38ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:45,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 4956 Invalid, 14 Unknown, 0 Unchecked, 14.27ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 63.38ms Time] [2021-11-13 17:49:45,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-11-13 17:49:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-11-13 17:49:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-13 17:49:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2021-11-13 17:49:45,965 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2021-11-13 17:49:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:45,966 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2021-11-13 17:49:45,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-13 17:49:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2021-11-13 17:49:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 17:49:45,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:45,968 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:49:46,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:49:46,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:46,184 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:49:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash 760263666, now seen corresponding path program 1 times [2021-11-13 17:49:46,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:46,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868175122] [2021-11-13 17:49:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:46,203 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:49:46,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491294035] [2021-11-13 17:49:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:46,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:49:46,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:46,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:49:46,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 17:49:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:46,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-13 17:49:46,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:49:46,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:49:46,405 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 [2021-11-13 17:49:46,468 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 17:49:46,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-13 17:49:46,529 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 18 [2021-11-13 17:49:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:46,623 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 34 treesize of output 32 [2021-11-13 17:49:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 57 [2021-11-13 17:49:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:47,894 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 43 treesize of output 44 [2021-11-13 17:49:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,017 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 77 treesize of output 66 [2021-11-13 17:49:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,039 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 58 treesize of output 47 [2021-11-13 17:49:48,103 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 29 treesize of output 25 [2021-11-13 17:49:48,119 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-13 17:49:48,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-13 17:49:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:48,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2021-11-13 17:49:48,166 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 13 treesize of output 9 [2021-11-13 17:49:48,309 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-13 17:49:48,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 45 [2021-11-13 17:49:49,784 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-13 17:49:49,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2286 [2021-11-13 17:49:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,059 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-13 17:49:52,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3252 treesize of output 2910 [2021-11-13 17:49:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:49:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:01,037 WARN L227 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 17:50:01,038 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-13 17:50:01,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4250 treesize of output 2277 [2021-11-13 17:50:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:02,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 54 treesize of output 24 [2021-11-13 17:50:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:02,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 66 treesize of output 30 [2021-11-13 17:50:05,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:50:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:05,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:06,809 INFO L354 Elim1Store]: treesize reduction 36652, result has 1.4 percent of original size [2021-11-13 17:50:06,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 17414 treesize of output 15861 [2021-11-13 17:50:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:50:14,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 64 treesize of output 28 [2021-11-13 17:50:15,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:50:15,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:50:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:06,041 WARN L227 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 17:52:06,044 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-13 17:52:06,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 927350 treesize of output 385055 [2021-11-13 17:52:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,597 INFO L244 Elim1Store]: Index analysis took 302 ms [2021-11-13 17:52:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 17:52:11,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 944 treesize of output 440 [2021-11-13 17:52:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,734 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-13 17:52:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:11,894 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 17:52:11,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-13 17:52:12,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:12,418 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-13 17:52:12,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 793332 treesize of output 527763 [2021-11-13 17:52:12,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:13,039 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-13 17:52:13,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 792505 treesize of output 527200 [2021-11-13 17:52:13,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:13,625 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-13 17:52:13,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 791478 treesize of output 526500 [2021-11-13 17:52:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:14,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:14,207 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-13 17:52:14,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 790100 treesize of output 525374 [2021-11-13 17:52:14,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:14,633 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-13 17:52:14,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 788566 treesize of output 524557 [2021-11-13 17:52:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:14,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:15,041 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-13 17:52:15,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 787851 treesize of output 524070 [2021-11-13 17:52:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:15,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:15,586 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-13 17:52:15,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 787012 treesize of output 523467 [2021-11-13 17:52:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:15,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:16,167 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-13 17:52:16,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 785869 treesize of output 409323 [2021-11-13 17:52:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:16,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:16,670 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-13 17:52:16,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 784231 treesize of output 521602 [2021-11-13 17:52:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:17,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:17,130 INFO L354 Elim1Store]: treesize reduction 206, result has 0.5 percent of original size [2021-11-13 17:52:17,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 783263 treesize of output 520961 [2021-11-13 17:52:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:17,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:17,561 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-13 17:52:17,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 781741 treesize of output 519916 [2021-11-13 17:52:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:17,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:17,916 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-13 17:52:17,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 780443 treesize of output 358094 [2021-11-13 17:52:18,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:18,256 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-13 17:52:18,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 779463 treesize of output 449074 [2021-11-13 17:52:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:18,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:18,641 INFO L354 Elim1Store]: treesize reduction 1528, result has 0.1 percent of original size [2021-11-13 17:52:18,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 778459 treesize of output 610031 [2021-11-13 17:52:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:19,015 INFO L354 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2021-11-13 17:52:19,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 777860 treesize of output 609590 [2021-11-13 17:52:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:19,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:19,454 INFO L354 Elim1Store]: treesize reduction 2723, result has 0.0 percent of original size [2021-11-13 17:52:19,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 776302 treesize of output 675698 [2021-11-13 17:52:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:19,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:19,788 INFO L354 Elim1Store]: treesize reduction 3436, result has 0.0 percent of original size [2021-11-13 17:52:19,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 754554 treesize of output 753766 [2021-11-13 17:52:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:19,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:20,098 INFO L354 Elim1Store]: treesize reduction 2226, result has 0.0 percent of original size [2021-11-13 17:52:20,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 753304 treesize of output 752840 [2021-11-13 17:52:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:20,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:20,357 INFO L354 Elim1Store]: treesize reduction 2686, result has 0.0 percent of original size [2021-11-13 17:52:20,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 752453 treesize of output 751905 [2021-11-13 17:52:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:20,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:20,613 INFO L354 Elim1Store]: treesize reduction 3418, result has 0.0 percent of original size [2021-11-13 17:52:20,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 751462 treesize of output 750758 [2021-11-13 17:52:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:52:20,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:52:20,829 INFO L354 Elim1Store]: treesize reduction 2578, result has 0.0 percent of original size [2021-11-13 17:52:20,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 750200 treesize of output 749646 [2021-11-13 17:53:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,553 INFO L354 Elim1Store]: treesize reduction 587, result has 11.5 percent of original size [2021-11-13 17:53:33,553 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 7 new quantified variables, introduced 5 case distinctions, treesize of input 459 treesize of output 374 [2021-11-13 17:53:33,713 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-13 17:53:33,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 604 treesize of output 405 [2021-11-13 17:53:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:33,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 124 [2021-11-13 17:53:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 157 [2021-11-13 17:53:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:34,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 100 [2021-11-13 17:53:34,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:53:34,980 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-13 17:53:34,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 385 treesize of output 288 [2021-11-13 17:53:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:53:35,183 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-13 17:53:35,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 336 treesize of output 328 [2021-11-13 17:53:35,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:53:35,235 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-13 17:53:35,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 285 treesize of output 233 [2021-11-13 17:53:36,236 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-13 17:53:36,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 277 treesize of output 485 [2021-11-13 17:53:36,262 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-13 17:53:36,263 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 467 treesize of output 385 [2021-11-13 17:53:36,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 17:53:36,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 346 treesize of output 269 [2021-11-13 17:53:36,387 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-13 17:53:36,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 260 treesize of output 280 [2021-11-13 17:54:14,128 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-13 17:54:14,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 441 treesize of output 391 [2021-11-13 17:54:58,447 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-13 17:54:58,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 446 treesize of output 222 [2021-11-13 17:54:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 17:54:58,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:54:58,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:58,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868175122] [2021-11-13 17:54:58,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:54:58,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491294035] [2021-11-13 17:54:58,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491294035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:58,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:58,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 17:54:58,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611976535] [2021-11-13 17:54:58,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:58,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 17:54:58,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:58,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 17:54:58,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:54:58,560 INFO L87 Difference]: Start difference. First operand 2277 states and 4337 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:55:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:19,342 INFO L93 Difference]: Finished difference Result 2303 states and 4373 transitions. [2021-11-13 17:55:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:55:19,343 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-13 17:55:19,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:19,368 INFO L225 Difference]: With dead ends: 2303 [2021-11-13 17:55:19,368 INFO L226 Difference]: Without dead ends: 2302 [2021-11-13 17:55:19,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-11-13 17:55:19,371 INFO L933 BasicCegarLoop]: 2187 mSDtfsCounter, 125 mSDsluCounter, 14235 mSDsCounter, 0 mSdLazyCounter, 4048 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17963.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 16422 SdHoareTripleChecker+Invalid, 5743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 133.24ms SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 4048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1159 IncrementalHoareTripleChecker+Unchecked, 19827.92ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:19,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 16422 Invalid, 5743 Unknown, 0 Unchecked, 133.24ms Time], IncrementalHoareTripleChecker [536 Valid, 4048 Invalid, 0 Unknown, 1159 Unchecked, 19827.92ms Time] [2021-11-13 17:55:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2021-11-13 17:55:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2276. [2021-11-13 17:55:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1264 states have (on average 1.8433544303797469) internal successors, (2330), 2270 states have internal predecessors, (2330), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-13 17:55:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 4336 transitions. [2021-11-13 17:55:19,674 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 4336 transitions. Word has length 72 [2021-11-13 17:55:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:19,675 INFO L470 AbstractCegarLoop]: Abstraction has 2276 states and 4336 transitions. [2021-11-13 17:55:19,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:55:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 4336 transitions. [2021-11-13 17:55:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 17:55:19,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:19,677 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:19,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:19,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:19,892 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-13 17:55:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2093337582, now seen corresponding path program 1 times [2021-11-13 17:55:19,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:19,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427976574] [2021-11-13 17:55:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:19,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:19,929 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:19,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303155164] [2021-11-13 17:55:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:19,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:19,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:19,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:19,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bad3d95-9e7f-48fa-8437-3a78ddd6a13c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 17:55:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:20,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-13 17:55:20,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:20,108 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 [2021-11-13 17:55:20,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:55:20,186 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 17:55:20,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-13 17:55:20,279 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 18 [2021-11-13 17:55:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:20,395 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 34 treesize of output 32 [2021-11-13 17:55:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 57 [2021-11-13 17:55:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,659 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 [2021-11-13 17:55:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,753 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 73 treesize of output 66 [2021-11-13 17:55:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,770 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 54 treesize of output 47 [2021-11-13 17:55:21,843 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 13 treesize of output 9 [2021-11-13 17:55:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:21,871 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 54 treesize of output 47 [2021-11-13 17:55:21,893 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 29 treesize of output 25 [2021-11-13 17:55:21,910 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-13 17:55:21,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-13 17:55:22,045 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-13 17:55:22,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 45 [2021-11-13 17:55:24,066 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-13 17:55:24,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2833 treesize of output 2282 [2021-11-13 17:55:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:28,365 INFO L354 Elim1Store]: treesize reduction 7776, result has 3.0 percent of original size [2021-11-13 17:55:28,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3302 treesize of output 1805 [2021-11-13 17:55:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:29,702 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-13 17:55:29,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 1970 treesize of output 1730 [2021-11-13 17:55:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:30,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 54 treesize of output 24 [2021-11-13 17:55:30,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:30,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 66 treesize of output 30 [2021-11-13 17:55:31,001 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-13 17:55:31,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 624 treesize of output 454 [2021-11-13 17:55:31,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:31,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,111 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-13 17:55:32,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 900 treesize of output 418 [2021-11-13 17:55:32,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 40 treesize of output 20 [2021-11-13 17:55:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:33,508 INFO L354 Elim1Store]: treesize reduction 25410, result has 0.6 percent of original size [2021-11-13 17:55:33,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 14997 treesize of output 14142 [2021-11-13 17:55:33,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:33,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:50,053 WARN L227 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 1408 DAG size of output: 355 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 17:56:50,054 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-13 17:56:50,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1520647 treesize of output 627308 [2021-11-13 17:56:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,498 INFO L244 Elim1Store]: Index analysis took 335 ms [2021-11-13 17:56:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:53,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 17:56:53,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1519 treesize of output 667 [2021-11-13 17:56:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,131 INFO L244 Elim1Store]: Index analysis took 345 ms [2021-11-13 17:56:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:56:55,434 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 17:56:55,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 928 treesize of output 432