./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:00:25,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:00:25,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:00:25,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:00:25,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:00:25,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:00:25,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:00:25,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:00:25,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:00:25,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:00:25,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:00:25,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:00:25,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:00:25,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:00:25,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:00:25,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:00:25,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:00:25,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:00:25,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:00:25,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:00:25,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:00:25,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:00:25,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:00:25,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:00:25,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:00:25,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:00:25,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:00:25,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:00:25,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:00:25,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:00:25,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:00:25,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:00:25,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:00:25,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:00:25,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:00:25,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:00:25,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:00:25,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:00:25,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:00:25,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:00:25,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:00:25,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:00:25,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:00:25,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:00:25,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:00:25,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:00:25,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:00:25,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:00:25,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:00:25,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:00:25,668 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:00:25,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:00:25,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:00:25,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:00:25,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:00:25,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:00:25,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:00:25,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:00:25,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:00:25,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:00:25,671 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:00:25,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:00:25,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:00:25,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:00:25,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:00:25,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:00:25,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:00:25,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:00:25,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:00:25,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:00:25,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:00:25,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:00:25,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:00:25,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:00:25,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:00:25,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:00:25,676 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2021-11-20 07:00:26,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:00:26,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:00:26,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:00:26,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:00:26,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:00:26,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-20 07:00:26,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/data/a7ed3f416/0fabe6e536b2470bafefae7b1f25c89a/FLAG8534b8c53 [2021-11-20 07:00:26,908 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:00:26,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-20 07:00:26,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/data/a7ed3f416/0fabe6e536b2470bafefae7b1f25c89a/FLAG8534b8c53 [2021-11-20 07:00:27,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/data/a7ed3f416/0fabe6e536b2470bafefae7b1f25c89a [2021-11-20 07:00:27,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:00:27,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:00:27,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:00:27,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:00:27,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:00:27,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:27" (1/1) ... [2021-11-20 07:00:27,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e63afea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:27, skipping insertion in model container [2021-11-20 07:00:27,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:27" (1/1) ... [2021-11-20 07:00:27,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:00:27,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:00:27,648 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-20 07:00:27,777 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-20 07:00:27,778 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-20 07:00:27,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:00:27,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:00:27,870 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-20 07:00:27,974 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-20 07:00:27,976 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_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-20 07:00:27,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:00:28,042 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:00:28,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28 WrapperNode [2021-11-20 07:00:28,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:00:28,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:00:28,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:00:28,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:00:28,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,200 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-20 07:00:28,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:00:28,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:00:28,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:00:28,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:00:28,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:00:28,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:00:28,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:00:28,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:00:28,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (1/1) ... [2021-11-20 07:00:28,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:00:28,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:28,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:28,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:00:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:00:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:00:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:00:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:00:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:00:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:00:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:00:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:00:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:00:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:00:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:00:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:00:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:00:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:00:28,814 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:00:28,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:00:30,217 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:00:30,234 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:00:30,234 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 07:00:30,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:30 BoogieIcfgContainer [2021-11-20 07:00:30,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:00:30,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:00:30,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:00:30,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:00:30,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:00:27" (1/3) ... [2021-11-20 07:00:30,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669a2ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:00:30, skipping insertion in model container [2021-11-20 07:00:30,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:28" (2/3) ... [2021-11-20 07:00:30,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669a2ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:00:30, skipping insertion in model container [2021-11-20 07:00:30,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:30" (3/3) ... [2021-11-20 07:00:30,258 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i [2021-11-20 07:00:30,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:00:30,265 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 07:00:30,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:00:30,357 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 07:00:30,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 07:00:30,384 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 07:00:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:00:30,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:30,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:30,389 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 07:00:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:30,396 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 07:00:30,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:30,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339030361] [2021-11-20 07:00:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:30,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:30,625 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 07:00:30,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:30,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339030361] [2021-11-20 07:00:30,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339030361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:30,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:30,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:00:30,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084377135] [2021-11-20 07:00:30,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:30,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:00:30,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:30,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:00:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:00:30,683 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 07:00:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:30,785 INFO L93 Difference]: Finished difference Result 385 states and 633 transitions. [2021-11-20 07:00:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:00:30,787 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 07:00:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:30,803 INFO L225 Difference]: With dead ends: 385 [2021-11-20 07:00:30,804 INFO L226 Difference]: Without dead ends: 187 [2021-11-20 07:00:30,809 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 07:00:30,816 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 07:00:30,818 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 07:00:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-20 07:00:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-20 07:00:30,901 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 07:00:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 242 transitions. [2021-11-20 07:00:30,904 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 242 transitions. Word has length 7 [2021-11-20 07:00:30,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:30,905 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 242 transitions. [2021-11-20 07:00:30,906 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 07:00:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-20 07:00:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:00:30,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:30,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:30,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:00:30,908 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 07:00:30,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:30,912 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 07:00:30,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:30,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485630535] [2021-11-20 07:00:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:30,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:30,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:00:30,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242958266] [2021-11-20 07:00:30,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:30,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:30,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:30,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:00:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:00:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:31,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:00:31,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:31,251 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 07:00:31,268 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 07:00:31,334 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:00:31,335 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 07:00:31,420 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 07:00:31,430 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 07:00:31,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:00:31,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:31,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485630535] [2021-11-20 07:00:31,432 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:00:31,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242958266] [2021-11-20 07:00:31,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242958266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:31,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:31,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:00:31,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693844644] [2021-11-20 07:00:31,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:31,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:00:31,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:00:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:00:31,436 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 07:00:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:32,252 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2021-11-20 07:00:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:00:32,253 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 07:00:32,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:32,258 INFO L225 Difference]: With dead ends: 306 [2021-11-20 07:00:32,258 INFO L226 Difference]: Without dead ends: 304 [2021-11-20 07:00:32,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:00:32,261 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 188 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:32,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 735 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 07:00:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-20 07:00:32,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 193. [2021-11-20 07:00:32,280 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 07:00:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2021-11-20 07:00:32,282 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 7 [2021-11-20 07:00:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:32,282 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2021-11-20 07:00:32,283 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 07:00:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-20 07:00:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 07:00:32,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:32,286 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 07:00:32,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:32,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:32,502 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 07:00:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash -385089840, now seen corresponding path program 1 times [2021-11-20 07:00:32,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:32,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349238589] [2021-11-20 07:00:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:32,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:32,659 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 07:00:32,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:32,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349238589] [2021-11-20 07:00:32,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349238589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:32,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:32,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:00:32,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540546846] [2021-11-20 07:00:32,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:32,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:00:32,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:00:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:00:32,668 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 07:00:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:33,156 INFO L93 Difference]: Finished difference Result 355 states and 462 transitions. [2021-11-20 07:00:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:00:33,157 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 07:00:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:33,159 INFO L225 Difference]: With dead ends: 355 [2021-11-20 07:00:33,159 INFO L226 Difference]: Without dead ends: 270 [2021-11-20 07:00:33,160 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 07:00:33,162 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 99 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:33,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 615 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 07:00:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-20 07:00:33,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 193. [2021-11-20 07:00:33,177 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 07:00:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2021-11-20 07:00:33,179 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 50 [2021-11-20 07:00:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:33,179 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2021-11-20 07:00:33,180 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 07:00:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2021-11-20 07:00:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:00:33,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:33,182 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 07:00:33,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:00:33,183 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 07:00:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 07:00:33,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:33,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087015321] [2021-11-20 07:00:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:33,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:33,208 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:00:33,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211937902] [2021-11-20 07:00:33,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:33,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:33,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:33,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:00:33,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:00:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:33,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:00:33,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:33,542 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 07:00:33,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:00:33,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:33,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087015321] [2021-11-20 07:00:33,543 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:00:33,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211937902] [2021-11-20 07:00:33,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211937902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:33,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:33,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:00:33,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207863200] [2021-11-20 07:00:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:33,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:00:33,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:33,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:00:33,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:00:33,547 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 07:00:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:33,618 INFO L93 Difference]: Finished difference Result 399 states and 519 transitions. [2021-11-20 07:00:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:00:33,619 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 07:00:33,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:33,621 INFO L225 Difference]: With dead ends: 399 [2021-11-20 07:00:33,622 INFO L226 Difference]: Without dead ends: 214 [2021-11-20 07:00:33,624 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 07:00:33,630 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 07:00:33,632 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 07:00:33,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-20 07:00:33,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2021-11-20 07:00:33,648 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 07:00:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 268 transitions. [2021-11-20 07:00:33,650 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 268 transitions. Word has length 57 [2021-11-20 07:00:33,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:33,651 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 268 transitions. [2021-11-20 07:00:33,651 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 07:00:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2021-11-20 07:00:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:00:33,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:33,654 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 07:00:33,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:33,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:33,869 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 07:00:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 07:00:33,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:33,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733023690] [2021-11-20 07:00:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:33,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:33,895 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:00:33,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340583397] [2021-11-20 07:00:33,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:33,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:33,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:33,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:00:33,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:00:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:00:34,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:34,238 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 07:00:34,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:00:34,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:34,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733023690] [2021-11-20 07:00:34,238 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:00:34,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340583397] [2021-11-20 07:00:34,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340583397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:34,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:34,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:00:34,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428975184] [2021-11-20 07:00:34,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:34,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:00:34,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:00:34,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:00:34,241 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 07:00:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:34,323 INFO L93 Difference]: Finished difference Result 408 states and 518 transitions. [2021-11-20 07:00:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:00:34,324 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 07:00:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:34,326 INFO L225 Difference]: With dead ends: 408 [2021-11-20 07:00:34,326 INFO L226 Difference]: Without dead ends: 203 [2021-11-20 07:00:34,327 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 07:00:34,328 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 220 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 07:00:34,328 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 07:00:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-20 07:00:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2021-11-20 07:00:34,337 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 07:00:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 247 transitions. [2021-11-20 07:00:34,339 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 247 transitions. Word has length 57 [2021-11-20 07:00:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:34,339 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 247 transitions. [2021-11-20 07:00:34,339 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 07:00:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 247 transitions. [2021-11-20 07:00:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:00:34,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:34,342 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 07:00:34,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:34,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:34,568 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 07:00:34,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 07:00:34,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:34,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623311067] [2021-11-20 07:00:34,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:34,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:34,588 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:00:34,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303634836] [2021-11-20 07:00:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:34,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:34,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:00:34,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:00:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:00:34,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:35,100 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 07:00:35,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:00:35,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:35,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623311067] [2021-11-20 07:00:35,101 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:00:35,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303634836] [2021-11-20 07:00:35,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303634836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:35,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:35,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:00:35,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615029782] [2021-11-20 07:00:35,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:35,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:00:35,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:35,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:00:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:00:35,105 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 07:00:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:35,212 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-11-20 07:00:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:00:35,213 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 07:00:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:35,216 INFO L225 Difference]: With dead ends: 499 [2021-11-20 07:00:35,216 INFO L226 Difference]: Without dead ends: 308 [2021-11-20 07:00:35,217 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 07:00:35,218 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 07:00:35,219 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 07:00:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-20 07:00:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 305. [2021-11-20 07:00:35,232 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 07:00:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2021-11-20 07:00:35,234 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 57 [2021-11-20 07:00:35,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:35,235 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2021-11-20 07:00:35,235 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 07:00:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2021-11-20 07:00:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:00:35,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:35,237 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 07:00:35,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:35,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:35,456 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 07:00:35,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:35,456 INFO L85 PathProgramCache]: Analyzing trace with hash 984432562, now seen corresponding path program 1 times [2021-11-20 07:00:35,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:35,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618007285] [2021-11-20 07:00:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:35,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:35,473 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:00:35,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114498695] [2021-11-20 07:00:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:35,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:00:35,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:35,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:00:35,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:00:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:35,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 07:00:35,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:35,716 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 07:00:35,723 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 07:00:35,780 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:00:35,781 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 07:00:35,857 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 07:00:35,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:35,972 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 07:00:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,014 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 07:00:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,024 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 07:00:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,114 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 07:00:37,176 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 07:00:37,188 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 07:00:37,188 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 07:00:37,199 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 07:00:37,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:37,227 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 07:00:37,372 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 07:00:37,384 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:00:37,385 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 07:00:39,057 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 07:00:39,058 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 07:00:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:45,489 WARN L227 SmtUtils]: Spent 6.37s 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 07:00:45,491 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-20 07:00:45,492 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 07:00:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:47,132 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 07:00:47,133 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 07:00:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:48,015 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 07:00:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:48,242 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 07:00:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:48,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:48,771 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 07:00:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:00:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:00:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:50,951 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-20 07:00:50,953 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 07:00:51,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:00:51,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:00:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:21,608 WARN L227 SmtUtils]: Spent 1.51m 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 07:02:21,611 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-20 07:02:21,613 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 07:02:24,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,611 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-20 07:02:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:24,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:02:24,835 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 07:02:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,814 INFO L244 Elim1Store]: Index analysis took 345 ms [2021-11-20 07:02:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,039 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:02:26,040 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 07:02:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,384 INFO L244 Elim1Store]: Index analysis took 233 ms [2021-11-20 07:02:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,673 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:02:26,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 07:02:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,100 INFO L244 Elim1Store]: Index analysis took 327 ms [2021-11-20 07:02:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:27,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:02:27,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 07:11:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:44,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:44,922 INFO L244 Elim1Store]: Index analysis took 1870 ms [2021-11-20 07:11:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:46,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:11:47,285 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 07:11:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:11:47,789 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-20 07:11:47,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 07:12:11,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,262 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-11-20 07:12:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,597 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:11,598 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 07:12:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:16,816 INFO L244 Elim1Store]: Index analysis took 501 ms [2021-11-20 07:12:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:17,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:17,709 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 07:12:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:18,935 INFO L244 Elim1Store]: Index analysis took 1055 ms [2021-11-20 07:12:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:19,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:19,745 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 07:12:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:20,950 INFO L244 Elim1Store]: Index analysis took 1003 ms [2021-11-20 07:12:21,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:22,029 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:22,030 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 07:12:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:22,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,161 INFO L244 Elim1Store]: Index analysis took 902 ms [2021-11-20 07:12:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:23,633 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:23,633 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 07:12:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,275 INFO L244 Elim1Store]: Index analysis took 531 ms [2021-11-20 07:12:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:24,758 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:24,759 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 07:12:24,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:24,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:25,599 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:25,599 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 07:12:25,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:25,759 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:25,760 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 07:12:25,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:25,973 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-20 07:12:25,974 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 07:12:26,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:26,225 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:26,226 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 07:12:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:26,504 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:26,505 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 07:12:26,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:26,752 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:26,752 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 07:12:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:26,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:26,938 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:26,938 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 07:12:26,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:27,101 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:27,101 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 07:12:27,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:27,224 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:27,224 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 07:12:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:27,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:28,052 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:28,053 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 07:12:28,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:28,175 INFO L354 Elim1Store]: treesize reduction 2572, result has 0.0 percent of original size [2021-11-20 07:12:28,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 07:12:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:29,514 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-20 07:12:29,514 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 07:12:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:29,769 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 07:12:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:29,844 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-20 07:12:29,844 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 07:12:31,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,203 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-20 07:12:31,204 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 07:12:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,464 INFO L354 Elim1Store]: treesize reduction 544, result has 12.3 percent of original size [2021-11-20 07:12:31,465 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 07:12:31,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:31,516 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-20 07:12:31,516 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 07:12:32,577 INFO L354 Elim1Store]: treesize reduction 364, result has 39.8 percent of original size [2021-11-20 07:12:32,577 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 07:12:32,596 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-20 07:12:32,596 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 07:12:32,665 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-20 07:12:32,666 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 07:12:32,681 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:32,682 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 07:13:33,295 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-20 07:13:33,296 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 07:14:15,156 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 07:14:15,157 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 07:14:15,218 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 07:14:15,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:14:15,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:14:15,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618007285] [2021-11-20 07:14:15,219 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:14:15,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114498695] [2021-11-20 07:14:15,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114498695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:14:15,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:14:15,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:14:15,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051292753] [2021-11-20 07:14:15,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:14:15,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:14:15,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:14:15,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:14:15,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:14:15,222 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 07:14:18,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:14:18,082 INFO L93 Difference]: Finished difference Result 334 states and 420 transitions. [2021-11-20 07:14:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:14:18,084 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 07:14:18,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:14:18,090 INFO L225 Difference]: With dead ends: 334 [2021-11-20 07:14:18,091 INFO L226 Difference]: Without dead ends: 333 [2021-11-20 07:14:18,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:14:18,092 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, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:14:18,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 1501 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 495 Invalid, 0 Unknown, 96 Unchecked, 2.2s Time] [2021-11-20 07:14:18,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-20 07:14:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2021-11-20 07:14:18,107 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 07:14:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 416 transitions. [2021-11-20 07:14:18,110 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 416 transitions. Word has length 72 [2021-11-20 07:14:18,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:14:18,110 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 416 transitions. [2021-11-20 07:14:18,110 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 07:14:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 416 transitions. [2021-11-20 07:14:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:14:18,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:14:18,112 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 07:14:18,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:14:18,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 07:14:18,328 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 07:14:18,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:14:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1377459572, now seen corresponding path program 1 times [2021-11-20 07:14:18,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:14:18,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019831233] [2021-11-20 07:14:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:18,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:14:18,343 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:14:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394621129] [2021-11-20 07:14:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:18,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:18,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:14:18,359 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:14:18,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:14:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:18,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:14:18,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:14:18,965 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 07:14:18,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:14:18,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:14:18,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019831233] [2021-11-20 07:14:18,965 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:14:18,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394621129] [2021-11-20 07:14:18,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394621129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:14:18,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:14:18,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:14:18,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416774719] [2021-11-20 07:14:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:14:18,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:14:18,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:14:18,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:14:18,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:14:18,967 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 07:14:19,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:14:19,021 INFO L93 Difference]: Finished difference Result 589 states and 747 transitions. [2021-11-20 07:14:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:14:19,022 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 07:14:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:14:19,025 INFO L225 Difference]: With dead ends: 589 [2021-11-20 07:14:19,025 INFO L226 Difference]: Without dead ends: 311 [2021-11-20 07:14:19,026 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 07:14:19,027 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 07:14:19,027 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 07:14:19,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-20 07:14:19,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2021-11-20 07:14:19,039 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 07:14:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 384 transitions. [2021-11-20 07:14:19,041 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 384 transitions. Word has length 72 [2021-11-20 07:14:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:14:19,041 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 384 transitions. [2021-11-20 07:14:19,042 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 07:14:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 384 transitions. [2021-11-20 07:14:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 07:14:19,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:14:19,043 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 07:14:19,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:14:19,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:19,268 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 07:14:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:14:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1802358612, now seen corresponding path program 1 times [2021-11-20 07:14:19,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:14:19,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860014269] [2021-11-20 07:14:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:19,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:14:19,286 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:14:19,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148235078] [2021-11-20 07:14:19,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:19,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:19,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:14:19,289 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:14:19,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23749d4a-2ee1-4c67-a200-ac124eaa4a5b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:14:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:19,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-20 07:14:19,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:14:19,484 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 07:14:19,502 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 07:14:19,597 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:14:19,597 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 07:14:19,717 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 07:14:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:19,889 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 07:14:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,742 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 07:14:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,770 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 07:14:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:21,917 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 07:14:21,982 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 07:14:21,998 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 07:14:22,049 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-20 07:14:22,049 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 07:14:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:22,067 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 07:14:22,239 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 07:14:22,246 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:14:22,247 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 07:14:22,251 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