./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF --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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:09:55,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:09:55,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:09:55,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:09:55,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:09:55,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:09:55,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:09:55,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:09:55,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:09:55,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:09:55,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:09:55,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:09:55,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:09:55,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:09:55,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:09:55,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:09:55,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:09:55,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:09:55,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:09:55,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:09:55,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:09:55,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:09:55,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:09:55,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:09:55,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:09:55,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:09:55,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:09:55,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:09:55,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:09:55,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:09:55,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:09:55,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:09:55,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:09:55,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:09:55,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:09:55,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:09:55,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:09:55,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:09:55,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:09:55,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:09:55,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:09:55,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 06:09:55,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:09:55,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:09:55,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:09:55,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:09:55,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:09:55,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:09:55,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:09:55,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:09:55,837 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:09:55,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:09:55,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:09:55,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:09:55,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:09:55,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:09:55,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:09:55,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:09:55,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:09:55,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:09:55,840 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 06:09:55,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:09:55,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:09:55,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:09:55,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:09:55,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:09:55,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:09:55,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:09:55,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:09:55,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:09:55,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:09:55,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:09:55,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:09:55,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:09:55,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:09:55,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:09:55,844 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_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2021-11-20 06:09:56,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:09:56,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:09:56,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:09:56,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:09:56,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:09:56,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-20 06:09:56,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/data/9dc5549c9/0cbe8e8043434be6885859d30301f9a3/FLAGba12e2ab9 [2021-11-20 06:09:56,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:09:56,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-20 06:09:56,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/data/9dc5549c9/0cbe8e8043434be6885859d30301f9a3/FLAGba12e2ab9 [2021-11-20 06:09:57,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/data/9dc5549c9/0cbe8e8043434be6885859d30301f9a3 [2021-11-20 06:09:57,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:09:57,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:09:57,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:57,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:09:57,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:09:57,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc7ad1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57, skipping insertion in model container [2021-11-20 06:09:57,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:09:57,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:09:57,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-20 06:09:57,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-20 06:09:57,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-20 06:09:57,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:57,599 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:09:57,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-20 06:09:57,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-20 06:09:57,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-20 06:09:57,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:57,781 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:09:57,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57 WrapperNode [2021-11-20 06:09:57,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:57,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:57,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:09:57,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:09:57,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,883 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-20 06:09:57,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:57,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:09:57,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:09:57,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:09:57,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:57,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:58,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:58,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:58,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:09:58,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:09:58,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:09:58,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:09:58,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (1/1) ... [2021-11-20 06:09:58,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:09:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:58,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:09:58,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:09:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:09:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:09:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:09:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:09:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:09:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:09:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:09:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:09:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:09:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:09:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:09:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:09:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:09:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:09:58,333 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:09:58,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:09:59,193 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:09:59,201 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:09:59,201 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 06:09:59,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:59 BoogieIcfgContainer [2021-11-20 06:09:59,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:09:59,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:09:59,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:09:59,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:09:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:09:57" (1/3) ... [2021-11-20 06:09:59,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddfcfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:59, skipping insertion in model container [2021-11-20 06:09:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:57" (2/3) ... [2021-11-20 06:09:59,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddfcfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:59, skipping insertion in model container [2021-11-20 06:09:59,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:59" (3/3) ... [2021-11-20 06:09:59,211 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2021-11-20 06:09:59,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:09:59,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 06:09:59,265 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:09:59,272 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 [2021-11-20 06:09:59,272 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 06:09:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:09:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 06:09:59,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:09:59,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:09:59,303 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:09:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:59,308 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 06:09:59,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811895045] [2021-11-20 06:09:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:59,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:09:59,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:59,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811895045] [2021-11-20 06:09:59,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811895045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:59,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:59,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:09:59,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600612417] [2021-11-20 06:09:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:59,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:09:59,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:59,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:09:59,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:09:59,527 INFO L87 Difference]: Start difference. First operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2021-11-20 06:09:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:59,574 INFO L93 Difference]: Finished difference Result 385 states and 633 transitions. [2021-11-20 06:09:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:09:59,576 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 [2021-11-20 06:09:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:09:59,587 INFO L225 Difference]: With dead ends: 385 [2021-11-20 06:09:59,587 INFO L226 Difference]: Without dead ends: 187 [2021-11-20 06:09:59,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:09:59,595 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:09:59,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:09:59,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-20 06:09:59,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-20 06:09:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 177 states have (on average 1.3333333333333333) internal successors, (236), 182 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:09:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 242 transitions. [2021-11-20 06:09:59,648 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 242 transitions. Word has length 7 [2021-11-20 06:09:59,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:09:59,649 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 242 transitions. [2021-11-20 06:09:59,649 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) [2021-11-20 06:09:59,649 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-20 06:09:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 06:09:59,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:09:59,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:09:59,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:09:59,651 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:09:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 06:09:59,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:59,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127194922] [2021-11-20 06:09:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:59,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:59,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:09:59,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349043325] [2021-11-20 06:09:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:59,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:09:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:59,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:09:59,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:09:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:59,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:09:59,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:09:59,964 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 [2021-11-20 06:09:59,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:10:00,032 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 06:10:00,033 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 [2021-11-20 06:10:00,124 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 [2021-11-20 06:10:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:00,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:10:00,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:00,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127194922] [2021-11-20 06:10:00,136 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:10:00,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349043325] [2021-11-20 06:10:00,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349043325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:00,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:00,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:10:00,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546959521] [2021-11-20 06:10:00,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:00,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:10:00,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:00,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:10:00,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:10:00,146 INFO L87 Difference]: Start difference. First operand 187 states and 242 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) [2021-11-20 06:10:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:00,850 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2021-11-20 06:10:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:10:00,850 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 [2021-11-20 06:10:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:00,854 INFO L225 Difference]: With dead ends: 306 [2021-11-20 06:10:00,855 INFO L226 Difference]: Without dead ends: 304 [2021-11-20 06:10:00,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:00,856 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 188 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:00,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 735 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 06:10:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-20 06:10:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 193. [2021-11-20 06:10:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 188 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:10:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2021-11-20 06:10:00,875 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 7 [2021-11-20 06:10:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:00,875 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2021-11-20 06:10:00,875 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) [2021-11-20 06:10:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-20 06:10:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 06:10:00,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:00,878 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] [2021-11-20 06:10:00,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:01,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-20 06:10:01,095 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:10:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -385089840, now seen corresponding path program 1 times [2021-11-20 06:10:01,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:01,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768118924] [2021-11-20 06:10:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:01,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:01,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:01,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768118924] [2021-11-20 06:10:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768118924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:01,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:01,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:10:01,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270359421] [2021-11-20 06:10:01,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:01,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:01,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:01,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:01,205 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:10:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:01,567 INFO L93 Difference]: Finished difference Result 355 states and 462 transitions. [2021-11-20 06:10:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-11-20 06:10:01,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:01,570 INFO L225 Difference]: With dead ends: 355 [2021-11-20 06:10:01,570 INFO L226 Difference]: Without dead ends: 270 [2021-11-20 06:10:01,571 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 [2021-11-20 06:10:01,573 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 99 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:01,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 615 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 06:10:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-20 06:10:01,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 193. [2021-11-20 06:10:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3224043715846994) internal successors, (242), 188 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:10:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2021-11-20 06:10:01,595 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 50 [2021-11-20 06:10:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:01,595 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2021-11-20 06:10:01,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:10:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2021-11-20 06:10:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 06:10:01,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:01,603 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] [2021-11-20 06:10:01,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:10:01,604 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:10:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:01,606 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 06:10:01,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:01,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133317413] [2021-11-20 06:10:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:01,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:01,639 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:10:01,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597885972] [2021-11-20 06:10:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:01,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:01,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:01,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:01,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:10:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:01,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:10:01,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:01,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:10:01,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:01,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133317413] [2021-11-20 06:10:01,978 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:10:01,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597885972] [2021-11-20 06:10:01,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597885972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:01,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:01,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:10:01,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002650969] [2021-11-20 06:10:01,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:01,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:10:01,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:01,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:10:01,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:10:01,981 INFO L87 Difference]: Start difference. First operand 193 states and 248 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) [2021-11-20 06:10:02,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:02,049 INFO L93 Difference]: Finished difference Result 399 states and 519 transitions. [2021-11-20 06:10:02,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:10:02,050 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 [2021-11-20 06:10:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:02,052 INFO L225 Difference]: With dead ends: 399 [2021-11-20 06:10:02,052 INFO L226 Difference]: Without dead ends: 214 [2021-11-20 06:10:02,055 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 [2021-11-20 06:10:02,059 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 9 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:02,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 429 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:10:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-20 06:10:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2021-11-20 06:10:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.29064039408867) internal successors, (262), 208 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:10:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 268 transitions. [2021-11-20 06:10:02,084 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 268 transitions. Word has length 57 [2021-11-20 06:10:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:02,085 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 268 transitions. [2021-11-20 06:10:02,088 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) [2021-11-20 06:10:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2021-11-20 06:10:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 06:10:02,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:02,089 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] [2021-11-20 06:10:02,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:02,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:02,307 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:10:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 06:10:02,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:02,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927004525] [2021-11-20 06:10:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:02,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:02,327 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:10:02,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622791055] [2021-11-20 06:10:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:02,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:02,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:02,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:02,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:10:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:02,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:10:02,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:02,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:10:02,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:02,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927004525] [2021-11-20 06:10:02,612 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:10:02,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622791055] [2021-11-20 06:10:02,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622791055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:02,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:02,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:10:02,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678657323] [2021-11-20 06:10:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:02,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:02,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:02,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:02,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:02,615 INFO L87 Difference]: Start difference. First operand 213 states and 268 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) [2021-11-20 06:10:02,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:02,695 INFO L93 Difference]: Finished difference Result 408 states and 518 transitions. [2021-11-20 06:10:02,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:02,695 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 [2021-11-20 06:10:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:02,697 INFO L225 Difference]: With dead ends: 408 [2021-11-20 06:10:02,697 INFO L226 Difference]: Without dead ends: 203 [2021-11-20 06:10:02,699 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 [2021-11-20 06:10:02,699 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 220 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:02,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 453 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:10:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-20 06:10:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2021-11-20 06:10:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 194 states have internal predecessors, (241), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:10:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 247 transitions. [2021-11-20 06:10:02,709 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 247 transitions. Word has length 57 [2021-11-20 06:10:02,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:02,709 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 247 transitions. [2021-11-20 06:10:02,709 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) [2021-11-20 06:10:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 247 transitions. [2021-11-20 06:10:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 06:10:02,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:02,714 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] [2021-11-20 06:10:02,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:02,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:02,943 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:10:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:02,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 06:10:02,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:02,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050696674] [2021-11-20 06:10:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:02,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:02,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:10:02,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571649101] [2021-11-20 06:10:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:02,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:02,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:02,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:10:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:03,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:10:03,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:03,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:10:03,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:03,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050696674] [2021-11-20 06:10:03,389 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:10:03,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571649101] [2021-11-20 06:10:03,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571649101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:03,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:03,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:10:03,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022142293] [2021-11-20 06:10:03,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:03,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:10:03,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:10:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:10:03,392 INFO L87 Difference]: Start difference. First operand 199 states and 247 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) [2021-11-20 06:10:03,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:03,470 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-11-20 06:10:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:10:03,471 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 [2021-11-20 06:10:03,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:03,473 INFO L225 Difference]: With dead ends: 499 [2021-11-20 06:10:03,473 INFO L226 Difference]: Without dead ends: 308 [2021-11-20 06:10:03,474 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 [2021-11-20 06:10:03,474 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 99 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:03,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 483 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:10:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-20 06:10:03,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 305. [2021-11-20 06:10:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 295 states have (on average 1.2677966101694915) internal successors, (374), 300 states have internal predecessors, (374), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:10:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2021-11-20 06:10:03,486 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 57 [2021-11-20 06:10:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:03,487 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2021-11-20 06:10:03,487 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) [2021-11-20 06:10:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2021-11-20 06:10:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 06:10:03,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:03,488 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] [2021-11-20 06:10:03,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:03,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 06:10:03,715 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:10:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:03,715 INFO L85 PathProgramCache]: Analyzing trace with hash 984432562, now seen corresponding path program 1 times [2021-11-20 06:10:03,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:03,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751642858] [2021-11-20 06:10:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:03,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:03,731 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:10:03,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841165541] [2021-11-20 06:10:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:03,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:03,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:03,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:10:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:03,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 06:10:03,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:03,912 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 [2021-11-20 06:10:03,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:10:03,972 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 06:10:03,973 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 [2021-11-20 06:10:04,037 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 [2021-11-20 06:10:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:04,122 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 [2021-11-20 06:10:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2021-11-20 06:10:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 06:10:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,115 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 48 treesize of output 42 [2021-11-20 06:10:05,181 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 32 treesize of output 28 [2021-11-20 06:10:05,194 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 06:10:05,194 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 31 treesize of output 29 [2021-11-20 06:10:05,206 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 [2021-11-20 06:10:05,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:05,230 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 33 [2021-11-20 06:10:05,362 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 51 treesize of output 43 [2021-11-20 06:10:05,374 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 06:10:05,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 24 [2021-11-20 06:10:06,910 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 06:10:06,911 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 2823 treesize of output 2272 [2021-11-20 06:10:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:12,539 WARN L227 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 311 DAG size of output: 84 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 06:10:12,540 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-20 06:10:12,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 3292 treesize of output 1828 [2021-11-20 06:10:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:13,797 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 06:10:13,798 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 2021 treesize of output 1763 [2021-11-20 06:10:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:14,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-20 06:10:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:14,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-20 06:10:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:15,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 63 [2021-11-20 06:10:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:10:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:10:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:10:16,903 INFO L244 Elim1Store]: Index analysis took 233 ms [2021-11-20 06:10:16,904 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 878 treesize of output 400 [2021-11-20 06:10:16,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:10:17,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:10:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:38,476 WARN L227 SmtUtils]: Spent 1.36m 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) [2021-11-20 06:11:38,479 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-20 06:11:38,482 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 184816 treesize of output 85122 [2021-11-20 06:11:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,597 INFO L244 Elim1Store]: Index analysis took 291 ms [2021-11-20 06:11:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:41,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:11:41,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1032 treesize of output 464 [2021-11-20 06:11:42,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:42,915 INFO L244 Elim1Store]: Index analysis took 391 ms [2021-11-20 06:11:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:11:43,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 664 treesize of output 300 [2021-11-20 06:11:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,497 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-20 06:11:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:43,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:11:43,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 572 treesize of output 254 [2021-11-20 06:11:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,235 INFO L244 Elim1Store]: Index analysis took 362 ms [2021-11-20 06:11:44,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:11:44,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:11:44,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1777 treesize of output 841 [2021-11-20 06:20:00,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:01,360 INFO L244 Elim1Store]: Index analysis took 1783 ms [2021-11-20 06:20:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:02,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,672 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:03,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1271 treesize of output 563 [2021-11-20 06:20:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:04,103 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-20 06:20:04,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15901 treesize of output 12492 [2021-11-20 06:20:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,534 INFO L244 Elim1Store]: Index analysis took 241 ms [2021-11-20 06:20:25,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:25,890 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:25,890 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 10690 treesize of output 7633 [2021-11-20 06:20:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,088 INFO L244 Elim1Store]: Index analysis took 560 ms [2021-11-20 06:20:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:31,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:31,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1527 treesize of output 671 [2021-11-20 06:20:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,703 INFO L244 Elim1Store]: Index analysis took 728 ms [2021-11-20 06:20:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:33,307 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:33,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 800 treesize of output 362 [2021-11-20 06:20:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,282 INFO L244 Elim1Store]: Index analysis took 810 ms [2021-11-20 06:20:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,283 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:35,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1435 treesize of output 625 [2021-11-20 06:20:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,282 INFO L244 Elim1Store]: Index analysis took 800 ms [2021-11-20 06:20:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:36,720 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:36,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 608 treesize of output 272 [2021-11-20 06:20:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,394 INFO L244 Elim1Store]: Index analysis took 548 ms [2021-11-20 06:20:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:37,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:37,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1447 treesize of output 631 [2021-11-20 06:20:38,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:38,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:38,645 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 06:20:38,646 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 12023 treesize of output 6625 [2021-11-20 06:20:38,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:38,800 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 06:20:38,800 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 10553 treesize of output 6928 [2021-11-20 06:20:38,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:38,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:38,964 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-20 06:20:38,965 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 9602 treesize of output 5756 [2021-11-20 06:20:39,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:39,187 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 06:20:39,188 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 8795 treesize of output 5830 [2021-11-20 06:20:39,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:39,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:39,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:39,517 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:20:39,518 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 7843 treesize of output 5190 [2021-11-20 06:20:39,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:39,807 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:20:39,808 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 6996 treesize of output 4619 [2021-11-20 06:20:39,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:39,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:39,955 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:20:39,956 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 6032 treesize of output 3967 [2021-11-20 06:20:39,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:40,055 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 06:20:40,055 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 5044 treesize of output 3311 [2021-11-20 06:20:40,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:40,143 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 06:20:40,143 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 4221 treesize of output 2324 [2021-11-20 06:20:40,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:40,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:40,870 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 06:20:40,871 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 2963 treesize of output 1629 [2021-11-20 06:20:40,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:40,982 INFO L354 Elim1Store]: treesize reduction 2572, result has 0.0 percent of original size [2021-11-20 06:20:40,982 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 15 case distinctions, treesize of input 1825 treesize of output 1303 [2021-11-20 06:20:42,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:42,246 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-20 06:20:42,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 828 treesize of output 836 [2021-11-20 06:20:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:42,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2021-11-20 06:20:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:42,613 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-20 06:20:42,613 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 6 new quantified variables, introduced 4 case distinctions, treesize of input 187 treesize of output 171 [2021-11-20 06:20:43,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,954 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-20 06:20:43,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 311 treesize of output 214 [2021-11-20 06:20:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:44,192 INFO L354 Elim1Store]: treesize reduction 544, result has 12.3 percent of original size [2021-11-20 06:20:44,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 262 treesize of output 255 [2021-11-20 06:20:44,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:20:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:20:44,234 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-20 06:20:44,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 211 treesize of output 201 [2021-11-20 06:20:45,183 INFO L354 Elim1Store]: treesize reduction 364, result has 39.8 percent of original size [2021-11-20 06:20:45,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 37 case distinctions, treesize of input 221 treesize of output 366 [2021-11-20 06:20:45,205 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-20 06:20:45,205 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 345 treesize of output 259 [2021-11-20 06:20:45,290 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-20 06:20:45,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 31 case distinctions, treesize of input 247 treesize of output 264 [2021-11-20 06:20:45,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:20:45,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 243 treesize of output 231 [2021-11-20 06:21:42,949 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-20 06:21:42,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 243 treesize of output 270 [2021-11-20 06:22:24,569 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 06:22:24,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 213 treesize of output 113 [2021-11-20 06:22:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:22:24,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:22:24,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:24,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751642858] [2021-11-20 06:22:24,620 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:22:24,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841165541] [2021-11-20 06:22:24,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841165541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:24,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:24,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 06:22:24,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866744375] [2021-11-20 06:22:24,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:24,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:22:24,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:24,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:22:24,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:22:24,623 INFO L87 Difference]: Start difference. First operand 305 states and 380 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) [2021-11-20 06:22:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:27,492 INFO L93 Difference]: Finished difference Result 334 states and 420 transitions. [2021-11-20 06:22:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:22:27,494 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 [2021-11-20 06:22:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:27,497 INFO L225 Difference]: With dead ends: 334 [2021-11-20 06:22:27,497 INFO L226 Difference]: Without dead ends: 333 [2021-11-20 06:22:27,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:22:27,499 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 107 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:27,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 1501 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 495 Invalid, 0 Unknown, 96 Unchecked, 2.3s Time] [2021-11-20 06:22:27,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-20 06:22:27,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2021-11-20 06:22:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 318 states have (on average 1.2610062893081762) internal successors, (401), 324 states have internal predecessors, (401), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-11-20 06:22:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 416 transitions. [2021-11-20 06:22:27,517 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 416 transitions. Word has length 72 [2021-11-20 06:22:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:27,518 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 416 transitions. [2021-11-20 06:22:27,518 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) [2021-11-20 06:22:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 416 transitions. [2021-11-20 06:22:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 06:22:27,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:27,520 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] [2021-11-20 06:22:27,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-20 06:22:27,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 06:22:27,735 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:22:27,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:27,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1377459572, now seen corresponding path program 1 times [2021-11-20 06:22:27,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:27,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480447759] [2021-11-20 06:22:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:27,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:27,752 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:22:27,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173905096] [2021-11-20 06:22:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:27,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:27,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:27,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:22:27,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:22:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:28,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:22:28,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:28,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:22:28,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:28,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480447759] [2021-11-20 06:22:28,345 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:22:28,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173905096] [2021-11-20 06:22:28,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173905096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:28,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:28,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:22:28,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506807484] [2021-11-20 06:22:28,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:28,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:22:28,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:28,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:22:28,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:22:28,347 INFO L87 Difference]: Start difference. First operand 331 states and 416 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:22:28,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:28,404 INFO L93 Difference]: Finished difference Result 589 states and 747 transitions. [2021-11-20 06:22:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:22:28,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-20 06:22:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:28,408 INFO L225 Difference]: With dead ends: 589 [2021-11-20 06:22:28,408 INFO L226 Difference]: Without dead ends: 311 [2021-11-20 06:22:28,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:22:28,410 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 2 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:28,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 692 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:22:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-20 06:22:28,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2021-11-20 06:22:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 297 states have (on average 1.2693602693602695) internal successors, (377), 303 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:22:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 384 transitions. [2021-11-20 06:22:28,446 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 384 transitions. Word has length 72 [2021-11-20 06:22:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:28,447 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 384 transitions. [2021-11-20 06:22:28,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:22:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 384 transitions. [2021-11-20 06:22:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 06:22:28,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:28,449 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:28,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:28,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:28,663 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 06:22:28,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:28,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1802358612, now seen corresponding path program 1 times [2021-11-20 06:22:28,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:28,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828689401] [2021-11-20 06:22:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:28,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:28,687 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:22:28,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151867255] [2021-11-20 06:22:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:28,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:22:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:28,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:22:28,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b084031e-2f3e-498c-94d9-c19cb04d94e5/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:22:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:28,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-20 06:22:28,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:28,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:22:28,896 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 [2021-11-20 06:22:28,989 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 06:22:28,990 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 [2021-11-20 06:22:29,100 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 [2021-11-20 06:22:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:29,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:22:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2021-11-20 06:22:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 06:22:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,201 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 48 treesize of output 42 [2021-11-20 06:22:31,254 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 [2021-11-20 06:22:31,258 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 40 treesize of output 36 [2021-11-20 06:22:31,285 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-20 06:22:31,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 52 [2021-11-20 06:22:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:31,303 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 33 [2021-11-20 06:22:31,457 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 69 treesize of output 57 [2021-11-20 06:22:31,463 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 06:22:31,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 45 [2021-11-20 06:22:31,467 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 36 treesize of output 32 [2021-11-20 06:22:40,241 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-20 06:22:40,241 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 96 [2021-11-20 06:22:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:40,308 INFO L354 Elim1Store]: treesize reduction 126, result has 16.0 percent of original size [2021-11-20 06:22:40,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 131 [2021-11-20 06:22:40,344 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-20 06:22:40,344 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 1 case distinctions, treesize of input 119 treesize of output 112 [2021-11-20 06:22:46,664 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-20 06:22:46,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2888 treesize of output 2358 [2021-11-20 06:22:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:22:59,429 WARN L227 SmtUtils]: Spent 12.71s on a formula simplification. DAG size of input: 367 DAG size of output: 102 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 06:22:59,429 INFO L354 Elim1Store]: treesize reduction 7848, result has 5.4 percent of original size [2021-11-20 06:22:59,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 3443 treesize of output 2142 [2021-11-20 06:22:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:01,918 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-20 06:23:01,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2432 treesize of output 2155 [2021-11-20 06:23:02,985 INFO L354 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2021-11-20 06:23:02,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 8921 treesize of output 8925 [2021-11-20 06:23:28,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:28,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-20 06:23:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:28,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-20 06:23:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:31,001 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-11-20 06:23:31,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 968 treesize of output 464 [2021-11-20 06:23:31,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:31,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 162 [2021-11-20 06:23:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:31,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:35,433 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-20 06:23:35,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 122412 treesize of output 63704 [2021-11-20 06:23:35,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 06:23:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:36,340 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-20 06:23:36,636 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-20 06:23:36,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1901 treesize of output 1119 [2021-11-20 06:23:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:23:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:23:37,217 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-20 06:23:37,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:23:37,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1855 treesize of output 1175