./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL --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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:20:49,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:20:49,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:20:49,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:20:49,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:20:49,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:20:49,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:20:49,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:20:49,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:20:49,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:20:49,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:20:49,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:20:49,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:20:49,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:20:49,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:20:49,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:20:49,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:20:49,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:20:49,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:20:49,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:20:49,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:20:49,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:20:49,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:20:49,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:20:49,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:20:49,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:20:49,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:20:49,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:20:49,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:20:49,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:20:49,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:20:49,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:20:49,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:20:49,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:20:49,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:20:49,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:20:49,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:20:49,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:20:49,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:20:49,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:20:49,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:20:49,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-19 05:20:49,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:20:49,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:20:49,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:20:49,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:20:49,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:20:49,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:20:49,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:20:49,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:20:49,613 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:20:49,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:20:49,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:20:49,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:20:49,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:20:49,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:20:49,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:20:49,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:20:49,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:20:49,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:20:49,616 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 05:20:49,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:20:49,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:20:49,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:20:49,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:20:49,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:20:49,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:20:49,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:20:49,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:20:49,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:20:49,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:20:49,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:20:49,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:20:49,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:20:49,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:20:49,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:20:49,622 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_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2021-11-19 05:20:49,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:20:49,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:20:49,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:20:49,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:20:49,896 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:20:49,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-19 05:20:49,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/data/634e36a2e/5ec3c448b2ee47a7a5bad85abb0b032e/FLAG585529093 [2021-11-19 05:20:50,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:20:50,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-19 05:20:50,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/data/634e36a2e/5ec3c448b2ee47a7a5bad85abb0b032e/FLAG585529093 [2021-11-19 05:20:50,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/data/634e36a2e/5ec3c448b2ee47a7a5bad85abb0b032e [2021-11-19 05:20:50,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:20:50,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:20:50,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:20:50,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:20:50,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:20:50,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:50" (1/1) ... [2021-11-19 05:20:50,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d84031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:50, skipping insertion in model container [2021-11-19 05:20:50,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:50" (1/1) ... [2021-11-19 05:20:50,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:20:51,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:20:51,689 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_c5a87793-10db-4ab0-acfb-e40431a9725c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-19 05:20:52,102 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_c5a87793-10db-4ab0-acfb-e40431a9725c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-19 05:20:52,134 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:20:52,157 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:20:52,214 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_c5a87793-10db-4ab0-acfb-e40431a9725c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-19 05:20:52,350 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_c5a87793-10db-4ab0-acfb-e40431a9725c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-19 05:20:52,369 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:20:52,411 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:20:52,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52 WrapperNode [2021-11-19 05:20:52,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:20:52,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:20:52,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:20:52,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:20:52,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,672 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3027 [2021-11-19 05:20:52,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:20:52,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:20:52,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:20:52,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:20:52,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:20:52,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:20:52,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:20:52,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:20:52,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (1/1) ... [2021-11-19 05:20:52,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:20:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:20:52,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:20:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:20:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:20:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 05:20:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 05:20:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:20:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 05:20:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 05:20:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:20:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:20:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:20:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:20:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 05:20:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:20:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:20:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:20:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:20:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:20:53,283 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:20:53,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:20:56,137 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:20:56,169 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:20:56,169 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-19 05:20:56,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:56 BoogieIcfgContainer [2021-11-19 05:20:56,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:20:56,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:20:56,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:20:56,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:20:56,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:50" (1/3) ... [2021-11-19 05:20:56,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ef2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:56, skipping insertion in model container [2021-11-19 05:20:56,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:52" (2/3) ... [2021-11-19 05:20:56,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ef2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:56, skipping insertion in model container [2021-11-19 05:20:56,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:56" (3/3) ... [2021-11-19 05:20:56,195 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2021-11-19 05:20:56,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:20:56,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-19 05:20:56,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:20:56,274 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 [2021-11-19 05:20:56,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-19 05:20:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:20:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:20:56,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:56,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:56,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:20:56,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:56,345 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-19 05:20:56,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:56,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959312476] [2021-11-19 05:20:56,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:56,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:56,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:56,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959312476] [2021-11-19 05:20:56,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959312476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:56,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:56,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:20:56,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778306116] [2021-11-19 05:20:56,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:56,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:20:56,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:56,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:20:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:20:56,584 INFO L87 Difference]: Start difference. First operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:20:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:56,814 INFO L93 Difference]: Finished difference Result 2414 states and 5166 transitions. [2021-11-19 05:20:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:20:56,817 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 [2021-11-19 05:20:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:56,855 INFO L225 Difference]: With dead ends: 2414 [2021-11-19 05:20:56,856 INFO L226 Difference]: Without dead ends: 1175 [2021-11-19 05:20:56,870 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 [2021-11-19 05:20:56,874 INFO L933 BasicCegarLoop]: 2265 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, 2265 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 [2021-11-19 05:20:56,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:20:56,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-19 05:20:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2021-11-19 05:20:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:20:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2021-11-19 05:20:57,453 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2021-11-19 05:20:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:57,453 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2021-11-19 05:20:57,454 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) [2021-11-19 05:20:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2021-11-19 05:20:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 05:20:57,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:57,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:57,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:20:57,456 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:20:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-19 05:20:57,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:57,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295378217] [2021-11-19 05:20:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:57,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:57,503 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:20:57,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397768323] [2021-11-19 05:20:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:57,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:20:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:20:57,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:20:57,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:20:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:57,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:20:57,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:20:57,809 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 [2021-11-19 05:20:57,815 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 [2021-11-19 05:20:57,871 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:20:57,871 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 [2021-11-19 05:20:57,964 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 26 treesize of output 14 [2021-11-19 05:20:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:57,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:20:57,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:57,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295378217] [2021-11-19 05:20:57,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:20:57,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397768323] [2021-11-19 05:20:57,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397768323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:57,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:57,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:20:57,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661726982] [2021-11-19 05:20:57,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:57,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:20:57,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:20:57,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:20:57,993 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:01,660 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2021-11-19 05:21:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:21:01,661 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 [2021-11-19 05:21:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:01,689 INFO L225 Difference]: With dead ends: 2292 [2021-11-19 05:21:01,689 INFO L226 Difference]: Without dead ends: 2290 [2021-11-19 05:21:01,691 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 [2021-11-19 05:21:01,692 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 1185 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:01,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1685 Valid, 8642 Invalid, 1760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 05:21:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-19 05:21:02,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2021-11-19 05:21:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:21:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2021-11-19 05:21:02,099 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2021-11-19 05:21:02,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:02,100 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2021-11-19 05:21:02,100 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) [2021-11-19 05:21:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2021-11-19 05:21:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-19 05:21:02,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:02,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:02,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:02,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:21:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:02,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-19 05:21:02,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:02,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542158083] [2021-11-19 05:21:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:02,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:02,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:02,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542158083] [2021-11-19 05:21:02,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542158083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:02,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:02,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:21:02,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681680364] [2021-11-19 05:21:02,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:02,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:21:02,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:02,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:21:02,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:21:02,397 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:03,717 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2021-11-19 05:21:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:21:03,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-19 05:21:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:03,745 INFO L225 Difference]: With dead ends: 3322 [2021-11-19 05:21:03,746 INFO L226 Difference]: Without dead ends: 2249 [2021-11-19 05:21:03,753 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 [2021-11-19 05:21:03,758 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 1089 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:03,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1589 Valid, 7043 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 05:21:03,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-11-19 05:21:04,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2021-11-19 05:21:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:21:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2021-11-19 05:21:04,098 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2021-11-19 05:21:04,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:04,098 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2021-11-19 05:21:04,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2021-11-19 05:21:04,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 05:21:04,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:04,102 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] [2021-11-19 05:21:04,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:21:04,103 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:21:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:04,104 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-19 05:21:04,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:04,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403700059] [2021-11-19 05:21:04,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:04,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:04,128 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:21:04,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392827725] [2021-11-19 05:21:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:04,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:04,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:21:04,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:21:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:04,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:21:04,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:04,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:21:04,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:04,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403700059] [2021-11-19 05:21:04,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:21:04,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392827725] [2021-11-19 05:21:04,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392827725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:04,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:04,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:21:04,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023778796] [2021-11-19 05:21:04,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:04,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:21:04,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:21:04,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:21:04,467 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:04,650 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2021-11-19 05:21:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:21:04,651 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 [2021-11-19 05:21:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:04,664 INFO L225 Difference]: With dead ends: 2375 [2021-11-19 05:21:04,665 INFO L226 Difference]: Without dead ends: 1202 [2021-11-19 05:21:04,671 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 [2021-11-19 05:21:04,672 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 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 [2021-11-19 05:21:04,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:21:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2021-11-19 05:21:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2021-11-19 05:21:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:21:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2021-11-19 05:21:04,863 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2021-11-19 05:21:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:04,864 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2021-11-19 05:21:04,864 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) [2021-11-19 05:21:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2021-11-19 05:21:04,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 05:21:04,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:04,867 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] [2021-11-19 05:21:04,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:05,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:05,094 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:21:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-19 05:21:05,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:05,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459081203] [2021-11-19 05:21:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:05,114 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:21:05,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289680360] [2021-11-19 05:21:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:05,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:05,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:21:05,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:21:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:05,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:21:05,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:05,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:21:05,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:05,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459081203] [2021-11-19 05:21:05,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:21:05,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289680360] [2021-11-19 05:21:05,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289680360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:05,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:05,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:21:05,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248379182] [2021-11-19 05:21:05,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:05,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:21:05,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:05,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:21:05,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:21:05,381 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:05,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:05,555 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2021-11-19 05:21:05,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:21:05,556 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 [2021-11-19 05:21:05,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:05,585 INFO L225 Difference]: With dead ends: 2384 [2021-11-19 05:21:05,585 INFO L226 Difference]: Without dead ends: 1191 [2021-11-19 05:21:05,591 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 [2021-11-19 05:21:05,592 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 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 [2021-11-19 05:21:05,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:21:05,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2021-11-19 05:21:05,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2021-11-19 05:21:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 05:21:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2021-11-19 05:21:05,776 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2021-11-19 05:21:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:05,777 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2021-11-19 05:21:05,777 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) [2021-11-19 05:21:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2021-11-19 05:21:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 05:21:05,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:05,779 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] [2021-11-19 05:21:05,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:06,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:06,006 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:21:06,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-19 05:21:06,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:06,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697317180] [2021-11-19 05:21:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:06,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:06,025 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:21:06,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134169225] [2021-11-19 05:21:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:06,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:06,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:06,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:21:06,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:21:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:06,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:21:06,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:06,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:21:06,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:06,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697317180] [2021-11-19 05:21:06,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:21:06,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134169225] [2021-11-19 05:21:06,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134169225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:06,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:06,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:21:06,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386711120] [2021-11-19 05:21:06,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:06,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:21:06,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:06,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:21:06,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:21:06,579 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:06,820 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2021-11-19 05:21:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:21:06,822 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 [2021-11-19 05:21:06,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:06,849 INFO L225 Difference]: With dead ends: 3460 [2021-11-19 05:21:06,849 INFO L226 Difference]: Without dead ends: 2281 [2021-11-19 05:21:06,856 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 [2021-11-19 05:21:06,858 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:06,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 4956 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:21:06,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-11-19 05:21:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-11-19 05:21:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-19 05:21:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2021-11-19 05:21:07,423 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2021-11-19 05:21:07,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:07,424 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2021-11-19 05:21:07,424 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) [2021-11-19 05:21:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2021-11-19 05:21:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 05:21:07,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:07,426 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] [2021-11-19 05:21:07,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:07,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-19 05:21:07,642 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:21:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:07,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1888458446, now seen corresponding path program 1 times [2021-11-19 05:21:07,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:07,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501614642] [2021-11-19 05:21:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:07,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:07,674 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:21:07,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480074916] [2021-11-19 05:21:07,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:07,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:21:07,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:07,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:21:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:21:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:07,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-19 05:21:07,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:07,915 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 [2021-11-19 05:21:07,924 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 [2021-11-19 05:21:07,987 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 05:21:07,988 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 [2021-11-19 05:21:08,071 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 [2021-11-19 05:21:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:08,180 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 [2021-11-19 05:21:09,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,340 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 [2021-11-19 05:21:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,350 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 [2021-11-19 05:21:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,468 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 [2021-11-19 05:21:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:09,533 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 [2021-11-19 05:21:09,548 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 [2021-11-19 05:21:09,567 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-19 05:21:09,568 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 [2021-11-19 05:21:09,593 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 [2021-11-19 05:21:09,726 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 [2021-11-19 05:21:09,736 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 05:21:09,736 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 [2021-11-19 05:21:11,777 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-19 05:21:11,778 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 [2021-11-19 05:21:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:18,129 WARN L227 SmtUtils]: Spent 6.29s 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) [2021-11-19 05:21:18,130 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-19 05:21:18,131 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 [2021-11-19 05:21:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:19,883 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-19 05:21:19,884 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 [2021-11-19 05:21:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:20,838 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 [2021-11-19 05:21:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:21,097 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 [2021-11-19 05:21:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:21,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:21,626 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 [2021-11-19 05:21:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:21:22,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:21:22,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:21:22,916 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-19 05:21:22,918 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 876 treesize of output 400 [2021-11-19 05:21:22,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:21:23,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:21:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:16,262 WARN L227 SmtUtils]: Spent 1.89m 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) [2021-11-19 05:23:16,265 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-19 05:23:16,267 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 330423 treesize of output 146476 [2021-11-19 05:23:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:19,996 INFO L244 Elim1Store]: Index analysis took 371 ms [2021-11-19 05:23:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:20,296 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:23:20,296 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 812 treesize of output 368 [2021-11-19 05:23:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,157 INFO L244 Elim1Store]: Index analysis took 508 ms [2021-11-19 05:23:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:22,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:23:22,675 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 940 treesize of output 418 [2021-11-19 05:23:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,326 INFO L244 Elim1Store]: Index analysis took 496 ms [2021-11-19 05:23:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:23:23,788 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 [2021-11-19 05:23:23,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:23,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:24,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:24,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:24,195 INFO L354 Elim1Store]: treesize reduction 427, result has 0.2 percent of original size [2021-11-19 05:23:24,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 287424 treesize of output 242115 [2021-11-19 05:23:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,302 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-19 05:23:32,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:32,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:23:32,632 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 1698 treesize of output 800 [2021-11-19 05:23:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,008 INFO L244 Elim1Store]: Index analysis took 1244 ms [2021-11-19 05:23:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:23:59,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:23:59,968 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 1235 treesize of output 545 [2021-11-19 05:24:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,368 INFO L244 Elim1Store]: Index analysis took 1180 ms [2021-11-19 05:24:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,398 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:02,398 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 1327 treesize of output 591 [2021-11-19 05:24:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,003 INFO L244 Elim1Store]: Index analysis took 462 ms [2021-11-19 05:24:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:03,355 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:03,356 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 10808 treesize of output 7804 [2021-11-19 05:24:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,692 INFO L244 Elim1Store]: Index analysis took 656 ms [2021-11-19 05:24:08,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:09,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:09,539 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 1471 treesize of output 643 [2021-11-19 05:24:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,177 INFO L244 Elim1Store]: Index analysis took 1484 ms [2021-11-19 05:24:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:11,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:12,431 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:12,432 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 [2021-11-19 05:24:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,377 INFO L244 Elim1Store]: Index analysis took 691 ms [2021-11-19 05:24:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:13,827 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:13,828 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 [2021-11-19 05:24:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:14,999 INFO L244 Elim1Store]: Index analysis took 974 ms [2021-11-19 05:24:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:15,799 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:15,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-11-19 05:24:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,224 INFO L244 Elim1Store]: Index analysis took 293 ms [2021-11-19 05:24:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,898 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:24:16,899 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 836 treesize of output 380 [2021-11-19 05:24:16,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:16,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:17,201 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-19 05:24:17,201 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 11069 treesize of output 7227 [2021-11-19 05:24:17,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:17,404 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-19 05:24:17,405 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 9543 treesize of output 6257 [2021-11-19 05:24:17,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:17,707 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-19 05:24:17,708 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 8568 treesize of output 5603 [2021-11-19 05:24:17,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:17,852 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-19 05:24:17,853 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 7628 treesize of output 4987 [2021-11-19 05:24:17,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:17,986 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-19 05:24:17,987 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 6382 treesize of output 4173 [2021-11-19 05:24:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:18,118 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-19 05:24:18,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 5430 treesize of output 3050 [2021-11-19 05:24:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:18,239 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-19 05:24:18,239 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 9 new quantified variables, introduced 14 case distinctions, treesize of input 5063 treesize of output 3482 [2021-11-19 05:24:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:18,321 INFO L354 Elim1Store]: treesize reduction 749, result has 0.1 percent of original size [2021-11-19 05:24:18,322 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 8 new quantified variables, introduced 14 case distinctions, treesize of input 3883 treesize of output 2956 [2021-11-19 05:24:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:18,448 INFO L354 Elim1Store]: treesize reduction 763, result has 0.1 percent of original size [2021-11-19 05:24:18,448 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 8 new quantified variables, introduced 14 case distinctions, treesize of input 2932 treesize of output 2063 [2021-11-19 05:24:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:18,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:18,639 INFO L354 Elim1Store]: treesize reduction 2699, result has 0.0 percent of original size [2021-11-19 05:24:18,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 1925 treesize of output 1263 [2021-11-19 05:24:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,641 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-19 05:24:19,641 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 [2021-11-19 05:24:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,942 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-19 05:24:19,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 198 treesize of output 185 [2021-11-19 05:24:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:19,993 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 [2021-11-19 05:24:20,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:20,864 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-19 05:24:20,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 347 treesize of output 250 [2021-11-19 05:24:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:21,081 INFO L354 Elim1Store]: treesize reduction 946, result has 9.6 percent of original size [2021-11-19 05:24:21,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 298 treesize of output 291 [2021-11-19 05:24:21,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:24:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:24:21,119 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-19 05:24:21,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 247 treesize of output 210 [2021-11-19 05:24:22,062 INFO L354 Elim1Store]: treesize reduction 874, result has 25.2 percent of original size [2021-11-19 05:24:22,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 37 case distinctions, treesize of input 247 treesize of output 428 [2021-11-19 05:24:22,083 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-19 05:24:22,084 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 407 treesize of output 314 [2021-11-19 05:24:22,107 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-11-19 05:24:22,108 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 305 treesize of output 256 [2021-11-19 05:24:22,220 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-19 05:24:22,220 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 226 treesize of output 243 [2021-11-19 05:24:52,751 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-19 05:24:52,751 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 290 treesize of output 317 [2021-11-19 05:25:48,937 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-19 05:25:48,938 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 262 treesize of output 134 [2021-11-19 05:25:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:25:48,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:25:48,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:48,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501614642] [2021-11-19 05:25:48,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:25:48,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480074916] [2021-11-19 05:25:48,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480074916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:48,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:48,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 05:25:48,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914874860] [2021-11-19 05:25:48,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:48,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:25:48,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:48,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:25:48,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:25:48,989 INFO L87 Difference]: Start difference. First operand 2277 states and 4337 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:25:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:57,917 INFO L93 Difference]: Finished difference Result 2306 states and 4377 transitions. [2021-11-19 05:25:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:25:57,918 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 [2021-11-19 05:25:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:57,945 INFO L225 Difference]: With dead ends: 2306 [2021-11-19 05:25:57,945 INFO L226 Difference]: Without dead ends: 2305 [2021-11-19 05:25:57,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:25:57,948 INFO L933 BasicCegarLoop]: 2185 mSDtfsCounter, 113 mSDsluCounter, 9894 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 593 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:57,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 12079 Invalid, 3476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [523 Valid, 2360 Invalid, 0 Unknown, 593 Unchecked, 8.0s Time] [2021-11-19 05:25:57,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2021-11-19 05:25:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 2303. [2021-11-19 05:25:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1287 states have (on average 1.832167832167832) internal successors, (2358), 2295 states have internal predecessors, (2358), 1005 states have call successors, (1005), 2 states have call predecessors, (1005), 3 states have return successors, (1010), 7 states have call predecessors, (1010), 1005 states have call successors, (1010) [2021-11-19 05:25:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 4373 transitions. [2021-11-19 05:25:58,344 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 4373 transitions. Word has length 72 [2021-11-19 05:25:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:58,345 INFO L470 AbstractCegarLoop]: Abstraction has 2303 states and 4373 transitions. [2021-11-19 05:25:58,345 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) [2021-11-19 05:25:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 4373 transitions. [2021-11-19 05:25:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 05:25:58,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:58,347 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] [2021-11-19 05:25:58,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:58,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:25:58,574 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:25:58,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1495431436, now seen corresponding path program 1 times [2021-11-19 05:25:58,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:58,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084454794] [2021-11-19 05:25:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:58,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:58,603 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:25:58,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976468202] [2021-11-19 05:25:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:58,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:25:58,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:25:58,612 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:25:58,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:25:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:58,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:25:58,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:59,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:25:59,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:59,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084454794] [2021-11-19 05:25:59,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:25:59,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976468202] [2021-11-19 05:25:59,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976468202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:59,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:59,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:25:59,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571160070] [2021-11-19 05:25:59,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:59,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:25:59,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:59,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:25:59,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:25:59,042 INFO L87 Difference]: Start difference. First operand 2303 states and 4373 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) [2021-11-19 05:25:59,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:59,190 INFO L93 Difference]: Finished difference Result 4533 states and 8661 transitions. [2021-11-19 05:25:59,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:25:59,191 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 [2021-11-19 05:25:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:59,220 INFO L225 Difference]: With dead ends: 4533 [2021-11-19 05:25:59,220 INFO L226 Difference]: Without dead ends: 2283 [2021-11-19 05:25:59,233 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 [2021-11-19 05:25:59,234 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 2 mSDsluCounter, 4418 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6629 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 [2021-11-19 05:25:59,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 6629 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:25:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2021-11-19 05:25:59,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2280. [2021-11-19 05:25:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2280 states, 1266 states have (on average 1.8436018957345972) internal successors, (2334), 2274 states have internal predecessors, (2334), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2021-11-19 05:25:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 4341 transitions. [2021-11-19 05:25:59,715 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 4341 transitions. Word has length 72 [2021-11-19 05:25:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:59,716 INFO L470 AbstractCegarLoop]: Abstraction has 2280 states and 4341 transitions. [2021-11-19 05:25:59,716 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) [2021-11-19 05:25:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 4341 transitions. [2021-11-19 05:25:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-19 05:25:59,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:59,718 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] [2021-11-19 05:25:59,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:59,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:25:59,934 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:25:59,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2037115948, now seen corresponding path program 1 times [2021-11-19 05:25:59,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:59,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574569664] [2021-11-19 05:25:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:59,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:59,966 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:25:59,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016582156] [2021-11-19 05:25:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:59,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:25:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:25:59,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:25:59,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:26:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:00,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-19 05:26:00,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:00,183 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 [2021-11-19 05:26:00,193 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 [2021-11-19 05:26:00,278 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 05:26:00,278 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 [2021-11-19 05:26:00,410 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 [2021-11-19 05:26:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:00,588 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 [2021-11-19 05:26:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,103 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 [2021-11-19 05:26:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,119 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 [2021-11-19 05:26:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,196 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 [2021-11-19 05:26:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:02,260 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 [2021-11-19 05:26:02,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-19 05:26:02,273 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 [2021-11-19 05:26:02,297 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-19 05:26:02,297 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 [2021-11-19 05:26:02,458 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 [2021-11-19 05:26:02,465 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 05:26:02,465 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 [2021-11-19 05:26:02,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-19 05:26:11,336 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-19 05:26:11,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 96 [2021-11-19 05:26:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:11,447 INFO L354 Elim1Store]: treesize reduction 126, result has 16.0 percent of original size [2021-11-19 05:26:11,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 131 [2021-11-19 05:26:11,492 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-19 05:26:11,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 112 [2021-11-19 05:26:18,982 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-19 05:26:18,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2888 treesize of output 2358 [2021-11-19 05:26:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:25,303 WARN L227 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 136 DAG size of output: 57 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:26:25,303 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-19 05:26:25,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 3415 treesize of output 3120 [2021-11-19 05:26:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:26:42,261 WARN L227 SmtUtils]: Spent 16.88s on a formula simplification. DAG size of input: 555 DAG size of output: 146 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:26:42,261 INFO L354 Elim1Store]: treesize reduction 12038, result has 5.4 percent of original size [2021-11-19 05:26:42,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 4569 treesize of output 2815 [2021-11-19 05:26:43,154 INFO L354 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2021-11-19 05:26:43,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 10490 treesize of output 10494 [2021-11-19 05:27:02,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:02,683 INFO L244 Elim1Store]: Index analysis took 511 ms [2021-11-19 05:27:02,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 891 treesize of output 409 [2021-11-19 05:27:04,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:04,958 INFO L244 Elim1Store]: Index analysis took 464 ms [2021-11-19 05:27:04,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 978 treesize of output 452 [2021-11-19 05:27:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:05,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-19 05:27:05,784 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 05:27:05,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 583 treesize of output 408 [2021-11-19 05:27:05,904 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-19 05:27:05,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 518 treesize of output 482 [2021-11-19 05:27:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:07,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,284 INFO L354 Elim1Store]: treesize reduction 3158, result has 0.0 percent of original size [2021-11-19 05:27:07,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 15833 treesize of output 15337 [2021-11-19 05:27:07,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:08,901 INFO L354 Elim1Store]: treesize reduction 21836, result has 0.7 percent of original size [2021-11-19 05:27:08,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 14994 treesize of output 14136 [2021-11-19 05:27:09,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:09,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:09,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:09,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:27:09,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 160 treesize of output 91 [2021-11-19 05:27:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:09,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:17,761 WARN L227 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 471 DAG size of output: 136 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:27:17,762 INFO L354 Elim1Store]: treesize reduction 16608, result has 2.0 percent of original size [2021-11-19 05:27:17,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 17 new quantified variables, introduced 30 case distinctions, treesize of input 112974 treesize of output 56219 [2021-11-19 05:27:18,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:18,668 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-19 05:27:18,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1704 treesize of output 754 [2021-11-19 05:27:18,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:19,738 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-19 05:27:19,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1648 treesize of output 726 [2021-11-19 05:27:19,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:20,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:20,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:20,937 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-19 05:27:21,088 INFO L354 Elim1Store]: treesize reduction 197, result has 22.7 percent of original size [2021-11-19 05:27:21,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1743 treesize of output 833 [2021-11-19 05:27:21,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:21,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:21,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:21,845 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-19 05:27:21,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1720 treesize of output 770 [2021-11-19 05:27:22,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 05:27:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:22,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:27:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:27:22,724 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 0 case distinctions, treesize of input 1527 treesize of output 687 [2021-11-19 05:28:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:06,370 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-19 05:28:06,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 9276 treesize of output 6586 [2021-11-19 05:28:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,564 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-19 05:28:06,565 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 12 case distinctions, treesize of input 5400 treesize of output 4896 [2021-11-19 05:28:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:06,761 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-19 05:28:06,762 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 12 case distinctions, treesize of input 4890 treesize of output 4386 [2021-11-19 05:28:09,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,498 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-19 05:28:09,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1319 treesize of output 627 [2021-11-19 05:28:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,628 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:28:09,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 73 [2021-11-19 05:28:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,711 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:28:09,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-19 05:28:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,743 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 05:28:09,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1004 treesize of output 522 [2021-11-19 05:28:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,773 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 05:28:09,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 876 treesize of output 382 [2021-11-19 05:28:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,804 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 05:28:09,804 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 744 treesize of output 527 [2021-11-19 05:28:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,832 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 05:28:09,832 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 616 treesize of output 459 [2021-11-19 05:28:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:09,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:09,858 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 05:28:09,859 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 12 case distinctions, treesize of input 484 treesize of output 373 [2021-11-19 05:28:12,856 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr237_6| Int)) (let ((.cse0 (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr237_6|))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 0))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 |#Ultimate.C_memset_#value|))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (mod |#Ultimate.C_memset_#value| 256))))))) is different from true [2021-11-19 05:28:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,114 INFO L354 Elim1Store]: treesize reduction 188, result has 14.9 percent of original size [2021-11-19 05:28:13,114 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 6 new quantified variables, introduced 10 case distinctions, treesize of input 332 treesize of output 176 [2021-11-19 05:28:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,203 INFO L354 Elim1Store]: treesize reduction 132, result has 21.4 percent of original size [2021-11-19 05:28:13,204 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 330 treesize of output 280 [2021-11-19 05:28:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:13,411 INFO L354 Elim1Store]: treesize reduction 752, result has 9.2 percent of original size [2021-11-19 05:28:13,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 359 treesize of output 360 [2021-11-19 05:28:14,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,859 INFO L354 Elim1Store]: treesize reduction 322, result has 10.8 percent of original size [2021-11-19 05:28:14,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 488 treesize of output 279 [2021-11-19 05:28:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:15,210 INFO L354 Elim1Store]: treesize reduction 932, result has 9.8 percent of original size [2021-11-19 05:28:15,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 41 case distinctions, treesize of input 439 treesize of output 435 [2021-11-19 05:28:15,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:28:15,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:28:15,314 INFO L354 Elim1Store]: treesize reduction 232, result has 16.2 percent of original size [2021-11-19 05:28:15,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 388 treesize of output 304 [2021-11-19 05:28:18,318 INFO L354 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2021-11-19 05:28:18,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 372 treesize of output 220 [2021-11-19 05:28:18,342 INFO L354 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2021-11-19 05:28:18,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 205 treesize of output 187 [2021-11-19 05:28:18,789 INFO L354 Elim1Store]: treesize reduction 608, result has 12.9 percent of original size [2021-11-19 05:28:18,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 165 treesize of output 163 [2021-11-19 05:28:18,980 INFO L354 Elim1Store]: treesize reduction 396, result has 7.7 percent of original size [2021-11-19 05:28:18,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 139 treesize of output 151 [2021-11-19 05:28:19,792 INFO L354 Elim1Store]: treesize reduction 268, result has 15.7 percent of original size [2021-11-19 05:28:19,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 90 treesize of output 96 [2021-11-19 05:28:20,723 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-19 05:28:20,723 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 70 treesize of output 38 [2021-11-19 05:28:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2021-11-19 05:28:20,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:28:23,196 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_DerPreprocessor_15 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int)) (<= (select (select (let ((.cse1 (let ((.cse5 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))))) (let ((.cse0 (let ((.cse2 (store |c_#memory_int| .cse1 (let ((.cse3 (select |c_#memory_int| .cse1)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_15) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_14))))) (store .cse0 .cse1 (store (select .cse0 .cse1) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_13)))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 2147483646)) is different from false [2021-11-19 05:28:30,653 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_DerPreprocessor_17 Int) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_16 Int) (|v_#Ultimate.C_memset_#ptr.offset_5| Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (|v_#Ultimate.C_memset_#value_4| Int) (|v_#Ultimate.C_memset_#t~loopctr237_11| Int)) (<= (select (select (let ((.cse10 (+ |v_#Ultimate.C_memset_#t~loopctr237_11| |v_#Ultimate.C_memset_#ptr.offset_5|))) (let ((.cse14 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 (mod |v_#Ultimate.C_memset_#value_4| 256)))) (.cse13 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 0))) (.cse12 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse7 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse9 (+ 12 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (let ((.cse1 (select (let ((.cse11 (store .cse13 .cse7 (store (select .cse13 .cse7) .cse9 v_DerPreprocessor_16)))) (select .cse11 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (select (select (store .cse14 .cse7 (store (select .cse14 .cse7) .cse9 v_DerPreprocessor_17)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)))) (let ((.cse0 (let ((.cse2 (let ((.cse3 (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem51#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_#t~mem51#1.base|) .cse10 |v_#Ultimate.C_memset_#value_4|)))) (store .cse6 .cse7 (let ((.cse8 (select .cse6 .cse7))) (store .cse8 .cse9 (+ (select .cse8 .cse9) 1))))))) (store .cse3 .cse1 (let ((.cse4 (select .cse3 .cse1)) (.cse5 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse4 .cse5 (+ (select .cse4 .cse5) 1))))))) (store .cse2 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_15) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_14))))) (store .cse0 .cse1 (store (select .cse0 .cse1) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_13))))))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 2147483646)) is different from false [2021-11-19 05:28:30,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:30,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574569664] [2021-11-19 05:28:30,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:28:30,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016582156] [2021-11-19 05:28:30,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016582156] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:28:30,718 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:28:30,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-11-19 05:28:30,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889724212] [2021-11-19 05:28:30,719 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-19 05:28:30,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 05:28:30,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:30,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 05:28:30,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=501, Unknown=10, NotChecked=144, Total=756 [2021-11-19 05:28:30,720 INFO L87 Difference]: Start difference. First operand 2280 states and 4341 transitions. Second operand has 21 states, 18 states have (on average 3.888888888888889) internal successors, (70), 20 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:28:52,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:52,820 INFO L93 Difference]: Finished difference Result 2316 states and 4388 transitions. [2021-11-19 05:28:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:28:52,821 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 3.888888888888889) internal successors, (70), 20 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-19 05:28:52,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:52,846 INFO L225 Difference]: With dead ends: 2316 [2021-11-19 05:28:52,846 INFO L226 Difference]: Without dead ends: 2313 [2021-11-19 05:28:52,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=12, NotChecked=156, Total=870 [2021-11-19 05:28:52,849 INFO L933 BasicCegarLoop]: 2185 mSDtfsCounter, 98 mSDsluCounter, 17550 mSDsCounter, 0 mSdLazyCounter, 3446 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 19735 SdHoareTripleChecker+Invalid, 9492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 3446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5533 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:52,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 19735 Invalid, 9492 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [513 Valid, 3446 Invalid, 0 Unknown, 5533 Unchecked, 17.4s Time] [2021-11-19 05:28:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2021-11-19 05:28:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2311. [2021-11-19 05:28:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1293 states have (on average 1.8298530549110597) internal successors, (2366), 2302 states have internal predecessors, (2366), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 5 states have return successors, (1011), 7 states have call predecessors, (1011), 1005 states have call successors, (1011) [2021-11-19 05:28:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4382 transitions. [2021-11-19 05:28:53,332 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4382 transitions. Word has length 74 [2021-11-19 05:28:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:53,333 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4382 transitions. [2021-11-19 05:28:53,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 3.888888888888889) internal successors, (70), 20 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:28:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4382 transitions. [2021-11-19 05:28:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-19 05:28:53,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:53,335 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] [2021-11-19 05:28:53,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:28:53,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-19 05:28:53,550 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:28:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:53,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1644088938, now seen corresponding path program 1 times [2021-11-19 05:28:53,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:53,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016922574] [2021-11-19 05:28:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:53,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:53,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:28:53,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724473245] [2021-11-19 05:28:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:53,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:28:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:28:53,588 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:28:53,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:28:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:54,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:28:54,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:28:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:28:54,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:28:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:28:54,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:54,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016922574] [2021-11-19 05:28:54,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:28:54,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724473245] [2021-11-19 05:28:54,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724473245] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:28:54,516 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:28:54,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-19 05:28:54,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018951326] [2021-11-19 05:28:54,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:28:54,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:28:54,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:54,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:28:54,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:28:54,518 INFO L87 Difference]: Start difference. First operand 2311 states and 4382 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:28:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:54,887 INFO L93 Difference]: Finished difference Result 4552 states and 8688 transitions. [2021-11-19 05:28:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:28:54,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 74 [2021-11-19 05:28:54,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:54,910 INFO L225 Difference]: With dead ends: 4552 [2021-11-19 05:28:54,910 INFO L226 Difference]: Without dead ends: 2297 [2021-11-19 05:28:54,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:28:54,929 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 19 mSDsluCounter, 6627 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8838 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:54,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 8838 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:28:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2021-11-19 05:28:55,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2295. [2021-11-19 05:28:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 1279 states have (on average 1.8397185301016419) internal successors, (2353), 2287 states have internal predecessors, (2353), 1004 states have call successors, (1004), 4 states have call predecessors, (1004), 4 states have return successors, (1006), 5 states have call predecessors, (1006), 1004 states have call successors, (1006) [2021-11-19 05:28:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 4363 transitions. [2021-11-19 05:28:55,380 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 4363 transitions. Word has length 74 [2021-11-19 05:28:55,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:55,381 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 4363 transitions. [2021-11-19 05:28:55,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:28:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 4363 transitions. [2021-11-19 05:28:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-19 05:28:55,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:55,383 INFO L514 BasicCegarLoop]: trace histogram [6, 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] [2021-11-19 05:28:55,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:28:55,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:28:55,610 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 05:28:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash 379560114, now seen corresponding path program 2 times [2021-11-19 05:28:55,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:55,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280677378] [2021-11-19 05:28:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:55,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:55,641 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:28:55,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229079510] [2021-11-19 05:28:55,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:28:55,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:28:55,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:28:55,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:28:55,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a87793-10db-4ab0-acfb-e40431a9725c/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 05:29:16,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:29:16,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:29:16,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-19 05:29:16,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:16,479 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 [2021-11-19 05:29:16,511 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 [2021-11-19 05:29:16,667 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 05:29:16,667 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 [2021-11-19 05:29:16,863 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 [2021-11-19 05:29:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:17,045 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 [2021-11-19 05:29:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,498 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 [2021-11-19 05:29:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,514 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 [2021-11-19 05:29:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,694 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 [2021-11-19 05:29:19,790 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 [2021-11-19 05:29:19,830 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 38 treesize of output 34 [2021-11-19 05:29:19,919 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-19 05:29:19,920 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 43 treesize of output 50 [2021-11-19 05:29:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:19,981 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 [2021-11-19 05:29:20,356 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 70 treesize of output 58 [2021-11-19 05:29:20,371 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 05:29:20,371 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 58 treesize of output 46 [2021-11-19 05:29:20,378 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 37 treesize of output 33 [2021-11-19 05:29:34,415 INFO L354 Elim1Store]: treesize reduction 104, result has 15.4 percent of original size [2021-11-19 05:29:34,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 115 [2021-11-19 05:29:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:34,704 INFO L354 Elim1Store]: treesize reduction 328, result has 10.6 percent of original size [2021-11-19 05:29:34,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 157 treesize of output 166 [2021-11-19 05:29:34,859 INFO L354 Elim1Store]: treesize reduction 182, result has 17.6 percent of original size [2021-11-19 05:29:34,859 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 2 case distinctions, treesize of input 178 treesize of output 181 [2021-11-19 05:29:48,261 WARN L227 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 123 DAG size of output: 50 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:29:48,262 INFO L354 Elim1Store]: treesize reduction 742, result has 16.9 percent of original size [2021-11-19 05:29:48,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 2964 treesize of output 2449 [2021-11-19 05:29:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:01,328 WARN L227 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 183 DAG size of output: 74 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:30:01,329 INFO L354 Elim1Store]: treesize reduction 1158, result has 19.2 percent of original size [2021-11-19 05:30:01,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 3603 treesize of output 3355 [2021-11-19 05:30:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:28,356 WARN L227 SmtUtils]: Spent 26.94s on a formula simplification. DAG size of input: 643 DAG size of output: 167 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 05:30:28,357 INFO L354 Elim1Store]: treesize reduction 14272, result has 6.4 percent of original size [2021-11-19 05:30:28,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 43 case distinctions, treesize of input 4913 treesize of output 3371 [2021-11-19 05:30:29,497 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-19 05:30:29,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21998 treesize of output 21998 [2021-11-19 05:30:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:30,021 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-19 05:30:30,736 INFO L354 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2021-11-19 05:30:30,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 98 [2021-11-19 05:30:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:31,557 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-11-19 05:30:32,187 INFO L354 Elim1Store]: treesize reduction 36, result has 50.7 percent of original size [2021-11-19 05:30:32,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 128 treesize of output 104