./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:55:39,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:55:39,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:55:39,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:55:39,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:55:39,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:55:39,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:55:39,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:55:39,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:55:39,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:55:39,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:55:39,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:55:39,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:55:39,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:55:39,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:55:39,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:55:39,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:55:39,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:55:39,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:55:39,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:55:39,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:55:39,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:55:39,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:55:39,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:55:39,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:55:39,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:55:39,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:55:39,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:55:39,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:55:39,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:55:39,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:55:39,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:55:39,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:55:39,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:55:39,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:55:39,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:55:39,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:55:39,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:55:39,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:55:39,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:55:39,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:55:39,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:55:39,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:55:39,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:55:39,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:55:39,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:55:39,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:55:39,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:55:39,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:55:39,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:55:39,752 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:55:39,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:55:39,754 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:55:39,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:55:39,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:55:39,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:55:39,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:55:39,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:55:39,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:55:39,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:55:39,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:55:39,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:55:39,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:55:39,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:55:39,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:55:39,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:55:39,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:39,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:55:39,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:55:39,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:55:39,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:55:39,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:55:39,763 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:55:39,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:55:39,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:55:39,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:55:39,765 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_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 [2021-11-13 17:55:40,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:55:40,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:55:40,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:55:40,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:55:40,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:55:40,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-fpi/nsqm.c [2021-11-13 17:55:40,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/data/2146d50b9/7c2168069a464e88a8efa92d0a416ea5/FLAGabf67d3b6 [2021-11-13 17:55:41,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:55:41,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/sv-benchmarks/c/array-fpi/nsqm.c [2021-11-13 17:55:41,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/data/2146d50b9/7c2168069a464e88a8efa92d0a416ea5/FLAGabf67d3b6 [2021-11-13 17:55:41,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/data/2146d50b9/7c2168069a464e88a8efa92d0a416ea5 [2021-11-13 17:55:41,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:55:41,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:55:41,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:41,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:55:41,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:55:41,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c8d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41, skipping insertion in model container [2021-11-13 17:55:41,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:55:41,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:55:41,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-11-13 17:55:41,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:41,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:55:41,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-11-13 17:55:41,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:41,846 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:55:41,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41 WrapperNode [2021-11-13 17:55:41,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:41,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:41,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:55:41,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:55:41,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:41,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:55:41,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:55:41,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:55:41,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:55:41,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:55:41,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:55:41,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:55:41,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (1/1) ... [2021-11-13 17:55:41,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:42,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:55:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:55:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:55:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:55:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:55:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:55:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:55:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:55:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:55:42,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:55:42,363 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 17:55:42,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:42 BoogieIcfgContainer [2021-11-13 17:55:42,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:55:42,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:55:42,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:55:42,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:55:42,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:55:41" (1/3) ... [2021-11-13 17:55:42,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3e506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:42, skipping insertion in model container [2021-11-13 17:55:42,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:41" (2/3) ... [2021-11-13 17:55:42,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3e506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:42, skipping insertion in model container [2021-11-13 17:55:42,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:42" (3/3) ... [2021-11-13 17:55:42,377 INFO L111 eAbstractionObserver]: Analyzing ICFG nsqm.c [2021-11-13 17:55:42,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:55:42,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:55:42,505 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:55:42,514 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:55:42,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:55:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 17:55:42,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:42,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:42,586 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-11-13 17:55:42,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:42,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218722332] [2021-11-13 17:55:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:42,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:42,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218722332] [2021-11-13 17:55:42,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218722332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:42,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:42,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:55:42,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866736479] [2021-11-13 17:55:42,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:42,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:55:42,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:55:42,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:55:42,999 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:43,021 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-11-13 17:55:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:55:43,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-11-13 17:55:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:43,035 INFO L225 Difference]: With dead ends: 38 [2021-11-13 17:55:43,035 INFO L226 Difference]: Without dead ends: 17 [2021-11-13 17:55:43,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:55:43,046 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:43,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 3.11ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 17:55:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-13 17:55:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-13 17:55:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-13 17:55:43,092 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-11-13 17:55:43,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:43,093 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-13 17:55:43,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-13 17:55:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 17:55:43,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:43,096 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:43,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:55:43,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:43,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:43,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-11-13 17:55:43,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:43,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496826120] [2021-11-13 17:55:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:43,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:43,138 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:43,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059061671] [2021-11-13 17:55:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:43,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:43,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:43,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:55:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:43,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:55:43,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:43,421 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-13 17:55:43,423 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 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-13 17:55:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:43,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:55:43,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:43,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496826120] [2021-11-13 17:55:43,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:43,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059061671] [2021-11-13 17:55:43,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059061671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:43,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:43,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:55:43,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910271261] [2021-11-13 17:55:43,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:43,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:55:43,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:43,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:55:43,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:55:43,699 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:43,884 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-11-13 17:55:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:55:43,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-11-13 17:55:43,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:43,888 INFO L225 Difference]: With dead ends: 34 [2021-11-13 17:55:43,888 INFO L226 Difference]: Without dead ends: 32 [2021-11-13 17:55:43,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:43,894 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.67ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.24ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:43,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 48 Invalid, 44 Unknown, 0 Unchecked, 4.67ms Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 110.24ms Time] [2021-11-13 17:55:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-13 17:55:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-11-13 17:55:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-11-13 17:55:43,908 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-11-13 17:55:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:43,909 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-11-13 17:55:43,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-13 17:55:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 17:55:43,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:43,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:43,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:44,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:44,127 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-11-13 17:55:44,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:44,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796388066] [2021-11-13 17:55:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:44,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:44,163 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:44,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936736752] [2021-11-13 17:55:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:44,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:44,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:44,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:44,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:55:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:44,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:55:44,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:44,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:55:44,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:44,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796388066] [2021-11-13 17:55:44,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:44,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936736752] [2021-11-13 17:55:44,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936736752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:44,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:44,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:55:44,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658051860] [2021-11-13 17:55:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:44,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:55:44,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:44,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:55:44,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:55:44,439 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:44,539 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-11-13 17:55:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:55:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2021-11-13 17:55:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:44,542 INFO L225 Difference]: With dead ends: 49 [2021-11-13 17:55:44,542 INFO L226 Difference]: Without dead ends: 40 [2021-11-13 17:55:44,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:44,545 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.11ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.27ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:44,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 43 Unknown, 0 Unchecked, 2.11ms Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 68.27ms Time] [2021-11-13 17:55:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-13 17:55:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-11-13 17:55:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-11-13 17:55:44,554 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-11-13 17:55:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:44,555 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-11-13 17:55:44,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-11-13 17:55:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 17:55:44,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:44,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:44,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:44,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:44,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-11-13 17:55:44,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:44,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574961055] [2021-11-13 17:55:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:44,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:44,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:44,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681073331] [2021-11-13 17:55:44,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:44,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:44,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:44,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:44,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 17:55:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:44,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:55:44,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:44,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:45,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:45,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574961055] [2021-11-13 17:55:45,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:45,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681073331] [2021-11-13 17:55:45,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681073331] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:55:45,046 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:55:45,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-13 17:55:45,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419888558] [2021-11-13 17:55:45,047 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:55:45,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:55:45,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:45,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:55:45,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:55:45,054 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:45,261 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-11-13 17:55:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:55:45,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 14 [2021-11-13 17:55:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:45,263 INFO L225 Difference]: With dead ends: 44 [2021-11-13 17:55:45,263 INFO L226 Difference]: Without dead ends: 37 [2021-11-13 17:55:45,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:55:45,266 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.03ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.51ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:45,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 72 Unknown, 0 Unchecked, 4.03ms Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 139.51ms Time] [2021-11-13 17:55:45,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-13 17:55:45,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-11-13 17:55:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-13 17:55:45,280 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-11-13 17:55:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:45,290 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-13 17:55:45,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-13 17:55:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 17:55:45,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:45,292 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:45,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:45,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:45,506 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:45,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-11-13 17:55:45,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:45,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114771209] [2021-11-13 17:55:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:45,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:45,528 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:45,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301482729] [2021-11-13 17:55:45,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:45,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:45,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:45,530 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:45,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:55:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:45,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:55:45,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:45,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:55:45,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:45,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114771209] [2021-11-13 17:55:45,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:45,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301482729] [2021-11-13 17:55:45,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301482729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:45,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:45,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:55:45,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428103308] [2021-11-13 17:55:45,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:45,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:55:45,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:45,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:55:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:55:45,772 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:45,885 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-11-13 17:55:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:55:45,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2021-11-13 17:55:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:45,888 INFO L225 Difference]: With dead ends: 41 [2021-11-13 17:55:45,888 INFO L226 Difference]: Without dead ends: 27 [2021-11-13 17:55:45,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:55:45,894 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.24ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:45,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 32 Invalid, 52 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 72.24ms Time] [2021-11-13 17:55:45,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-13 17:55:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-11-13 17:55:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-13 17:55:45,912 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-11-13 17:55:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:45,912 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-13 17:55:45,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-13 17:55:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 17:55:45,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:45,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:45,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:46,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:46,139 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:46,140 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-11-13 17:55:46,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:46,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218240749] [2021-11-13 17:55:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:46,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:46,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:46,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454859263] [2021-11-13 17:55:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:46,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:46,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:46,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:46,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 17:55:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:46,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 17:55:46,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:46,350 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-13 17:55:46,350 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 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-13 17:55:46,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 17:55:46,513 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-13 17:55:46,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2021-11-13 17:55:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:46,784 INFO L354 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2021-11-13 17:55:46,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 51 [2021-11-13 17:55:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:47,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:48,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:48,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218240749] [2021-11-13 17:55:48,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:48,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454859263] [2021-11-13 17:55:48,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454859263] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:55:48,351 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:55:48,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-11-13 17:55:48,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883225388] [2021-11-13 17:55:48,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:55:48,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:55:48,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:48,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:55:48,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:55:48,354 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:49,890 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2021-11-13 17:55:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:55:49,891 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 16 [2021-11-13 17:55:49,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:49,894 INFO L225 Difference]: With dead ends: 41 [2021-11-13 17:55:49,894 INFO L226 Difference]: Without dead ends: 39 [2021-11-13 17:55:49,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-11-13 17:55:49,896 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 452.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 510.26ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:49,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 56 Invalid, 104 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [15 Valid, 69 Invalid, 0 Unknown, 20 Unchecked, 510.26ms Time] [2021-11-13 17:55:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-13 17:55:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2021-11-13 17:55:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-11-13 17:55:49,906 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 16 [2021-11-13 17:55:49,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:49,906 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-11-13 17:55:49,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-13 17:55:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 17:55:49,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:49,908 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:49,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:50,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:50,135 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:50,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:50,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-11-13 17:55:50,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:50,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760161581] [2021-11-13 17:55:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:50,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:50,172 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:50,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193831538] [2021-11-13 17:55:50,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:55:50,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:50,174 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:50,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 17:55:50,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 17:55:50,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:55:50,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:55:50,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:50,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:50,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:50,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760161581] [2021-11-13 17:55:50,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:50,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193831538] [2021-11-13 17:55:50,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193831538] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:55:50,439 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:55:50,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-13 17:55:50,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810136865] [2021-11-13 17:55:50,440 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:55:50,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:55:50,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:50,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:55:50,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:55:50,442 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:50,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:50,632 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2021-11-13 17:55:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:55:50,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 18 [2021-11-13 17:55:50,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:50,635 INFO L225 Difference]: With dead ends: 67 [2021-11-13 17:55:50,635 INFO L226 Difference]: Without dead ends: 58 [2021-11-13 17:55:50,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:55:50,637 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 36 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.81ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.52ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:50,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 46 Invalid, 89 Unknown, 0 Unchecked, 1.81ms Time], IncrementalHoareTripleChecker [20 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 123.52ms Time] [2021-11-13 17:55:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-13 17:55:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 34. [2021-11-13 17:55:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2021-11-13 17:55:50,649 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 18 [2021-11-13 17:55:50,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:50,650 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2021-11-13 17:55:50,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2021-11-13 17:55:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 17:55:50,652 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:50,652 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:50,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:50,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-13 17:55:50,875 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:50,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:50,875 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2021-11-13 17:55:50,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:50,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038147993] [2021-11-13 17:55:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:50,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:50,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:50,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548051127] [2021-11-13 17:55:50,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:50,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:50,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:50,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:50,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 17:55:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:51,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 17:55:51,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:51,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 17:55:51,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-13 17:55:51,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:51,202 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 36 treesize of output 34 [2021-11-13 17:55:51,410 INFO L354 Elim1Store]: treesize reduction 109, result has 16.8 percent of original size [2021-11-13 17:55:51,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 51 [2021-11-13 17:55:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:51,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:53,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:53,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038147993] [2021-11-13 17:55:53,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:55:53,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548051127] [2021-11-13 17:55:53,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548051127] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:55:53,406 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:55:53,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-13 17:55:53,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130020605] [2021-11-13 17:55:53,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:55:53,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 17:55:53,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:53,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 17:55:53,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:55:53,410 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:55:55,832 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2021-11-13 17:55:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 17:55:55,833 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-13 17:55:55,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:55:55,834 INFO L225 Difference]: With dead ends: 74 [2021-11-13 17:55:55,835 INFO L226 Difference]: Without dead ends: 72 [2021-11-13 17:55:55,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2021-11-13 17:55:55,837 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 124 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 666.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.12ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 739.51ms IncrementalHoareTripleChecker+Time [2021-11-13 17:55:55,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 89 Invalid, 197 Unknown, 0 Unchecked, 4.12ms Time], IncrementalHoareTripleChecker [58 Valid, 122 Invalid, 0 Unknown, 17 Unchecked, 739.51ms Time] [2021-11-13 17:55:55,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-11-13 17:55:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 43. [2021-11-13 17:55:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2021-11-13 17:55:55,851 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 20 [2021-11-13 17:55:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:55:55,851 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-11-13 17:55:55,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2021-11-13 17:55:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 17:55:55,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:55,854 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:55,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-13 17:55:56,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-13 17:55:56,072 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:56,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 3 times [2021-11-13 17:55:56,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:56,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486217593] [2021-11-13 17:55:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:56,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:56,126 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 17:55:56,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034942878] [2021-11-13 17:55:56,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:55:56,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:55:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:56,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:55:56,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 17:55:56,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-13 17:55:56,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:55:56,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 17:55:56,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:56,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 17:55:56,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-13 17:55:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:56,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,625 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 7 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 278 [2021-11-13 17:55:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2021-11-13 17:55:56,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 17:55:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 57 [2021-11-13 17:55:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:56,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 49 [2021-11-13 17:55:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,019 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 53 treesize of output 48 [2021-11-13 17:55:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,390 INFO L354 Elim1Store]: treesize reduction 88, result has 17.8 percent of original size [2021-11-13 17:55:57,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 30 case distinctions, treesize of input 276 treesize of output 516 [2021-11-13 17:55:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 121 [2021-11-13 17:55:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 169 [2021-11-13 17:55:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:57,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:57,912 INFO L354 Elim1Store]: treesize reduction 33, result has 8.3 percent of original size [2021-11-13 17:55:57,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 247 treesize of output 150 [2021-11-13 17:55:58,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,380 INFO L354 Elim1Store]: treesize reduction 84, result has 15.2 percent of original size [2021-11-13 17:55:58,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 38 case distinctions, treesize of input 360 treesize of output 558 [2021-11-13 17:55:58,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 393 treesize of output 263 [2021-11-13 17:55:58,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 17:55:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 202 [2021-11-13 17:55:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 17:55:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 17:55:58,953 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 17:55:58,954 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 22 case distinctions, treesize of input 372 treesize of output 169 [2021-11-13 17:55:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:59,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:56:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:12,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:12,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486217593] [2021-11-13 17:56:12,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 17:56:12,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034942878] [2021-11-13 17:56:12,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034942878] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:56:12,548 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:56:12,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-11-13 17:56:12,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438305046] [2021-11-13 17:56:12,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:56:12,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 17:56:12,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:12,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 17:56:12,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2021-11-13 17:56:12,551 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:57:04,391 WARN L227 SmtUtils]: Spent 44.70s on a formula simplification that was a NOOP. DAG size: 318 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 17:57:06,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:07,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:09,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:45,042 WARN L227 SmtUtils]: Spent 28.39s on a formula simplification that was a NOOP. DAG size: 309 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:00:11,601 WARN L227 SmtUtils]: Spent 2.37m on a formula simplification. DAG size of input: 328 DAG size of output: 311 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:00:18,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:00:20,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:04:33,723 WARN L227 SmtUtils]: Spent 4.14m on a formula simplification. DAG size of input: 330 DAG size of output: 313 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:05:17,658 WARN L227 SmtUtils]: Spent 37.38s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:05:21,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:05:26,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:06:02,048 WARN L227 SmtUtils]: Spent 31.58s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:06:04,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:06:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:17,316 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2021-11-13 18:06:17,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-13 18:06:17,317 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-13 18:06:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:06:17,319 INFO L225 Difference]: With dead ends: 86 [2021-11-13 18:06:17,319 INFO L226 Difference]: Without dead ends: 73 [2021-11-13 18:06:17,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 583.7s TimeCoverageRelationStatistics Valid=520, Invalid=1369, Unknown=3, NotChecked=0, Total=1892 [2021-11-13 18:06:17,321 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 71 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 118 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29780.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.60ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 30821.77ms IncrementalHoareTripleChecker+Time [2021-11-13 18:06:17,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 122 Invalid, 401 Unknown, 0 Unchecked, 5.60ms Time], IncrementalHoareTripleChecker [118 Valid, 238 Invalid, 3 Unknown, 42 Unchecked, 30821.77ms Time] [2021-11-13 18:06:17,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-13 18:06:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 51. [2021-11-13 18:06:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:17,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-11-13 18:06:17,335 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 20 [2021-11-13 18:06:17,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:06:17,336 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-11-13 18:06:17,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-13 18:06:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 18:06:17,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:06:17,338 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:17,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:17,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:17,550 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:06:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2021-11-13 18:06:17,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:17,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960774537] [2021-11-13 18:06:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:17,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:17,570 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:06:17,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042793218] [2021-11-13 18:06:17,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:06:17,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:17,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:17,572 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:06:17,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 18:06:17,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:06:17,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:06:17,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:06:17,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 18:06:17,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:06:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 18:06:17,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:17,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960774537] [2021-11-13 18:06:17,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:06:17,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042793218] [2021-11-13 18:06:17,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042793218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:06:17,878 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:06:17,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-11-13 18:06:17,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157998847] [2021-11-13 18:06:17,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:06:17,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 18:06:17,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 18:06:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:06:17,881 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:18,107 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2021-11-13 18:06:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:06:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 18:06:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:06:18,109 INFO L225 Difference]: With dead ends: 101 [2021-11-13 18:06:18,109 INFO L226 Difference]: Without dead ends: 81 [2021-11-13 18:06:18,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-13 18:06:18,111 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 55 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.43ms IncrementalHoareTripleChecker+Time [2021-11-13 18:06:18,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 55 Invalid, 109 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [31 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 162.43ms Time] [2021-11-13 18:06:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-13 18:06:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 61. [2021-11-13 18:06:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2021-11-13 18:06:18,126 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 24 [2021-11-13 18:06:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:06:18,126 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-11-13 18:06:18,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2021-11-13 18:06:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 18:06:18,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:06:18,129 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:18,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:18,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-13 18:06:18,351 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:06:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1083970380, now seen corresponding path program 3 times [2021-11-13 18:06:18,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:18,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817893583] [2021-11-13 18:06:18,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:18,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:18,373 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:06:18,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690110550] [2021-11-13 18:06:18,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:06:18,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:18,375 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:06:18,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 18:06:18,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-13 18:06:18,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:06:18,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:06:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:06:18,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:06:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:06:18,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:18,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817893583] [2021-11-13 18:06:18,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:06:18,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690110550] [2021-11-13 18:06:18,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690110550] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:06:18,700 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:06:18,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-13 18:06:18,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167055426] [2021-11-13 18:06:18,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:06:18,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:06:18,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:06:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:06:18,702 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:18,989 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2021-11-13 18:06:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 18:06:18,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 24 [2021-11-13 18:06:18,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:06:18,991 INFO L225 Difference]: With dead ends: 79 [2021-11-13 18:06:18,991 INFO L226 Difference]: Without dead ends: 67 [2021-11-13 18:06:18,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-13 18:06:18,992 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 40 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 203.84ms IncrementalHoareTripleChecker+Time [2021-11-13 18:06:18,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 33 Invalid, 86 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [21 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 203.84ms Time] [2021-11-13 18:06:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-13 18:06:19,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 51. [2021-11-13 18:06:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-11-13 18:06:19,005 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 24 [2021-11-13 18:06:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:06:19,006 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-11-13 18:06:19,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-13 18:06:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 18:06:19,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:06:19,008 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:19,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:19,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:19,231 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:06:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:19,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585326, now seen corresponding path program 4 times [2021-11-13 18:06:19,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:19,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072533644] [2021-11-13 18:06:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:19,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:19,265 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:06:19,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980967129] [2021-11-13 18:06:19,265 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 18:06:19,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:19,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:06:19,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12a4e8d-b853-44dc-9ed3-ad271836f26c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-13 18:06:19,816 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 18:06:19,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:06:19,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 18:06:19,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:19,868 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-13 18:06:19,868 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 1 case distinctions, treesize of input 29 treesize of output 25 [2021-11-13 18:06:19,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 18:06:20,141 INFO L354 Elim1Store]: treesize reduction 667, result has 15.2 percent of original size [2021-11-13 18:06:20,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 273 [2021-11-13 18:06:20,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:20,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2021-11-13 18:06:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:20,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 75 [2021-11-13 18:06:20,385 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-13 18:06:20,385 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 80 [2021-11-13 18:06:20,572 INFO L354 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2021-11-13 18:06:20,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 48 [2021-11-13 18:06:21,420 INFO L354 Elim1Store]: treesize reduction 1004, result has 20.4 percent of original size [2021-11-13 18:06:21,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 206 treesize of output 416 [2021-11-13 18:06:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 99 [2021-11-13 18:06:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:21,671 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-13 18:06:21,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 99 [2021-11-13 18:06:22,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 77 [2021-11-13 18:06:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:22,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 127 [2021-11-13 18:06:23,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 85 [2021-11-13 18:06:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:23,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 82 [2021-11-13 18:06:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,235 INFO L354 Elim1Store]: treesize reduction 213, result has 0.5 percent of original size [2021-11-13 18:06:26,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 168 treesize of output 91 [2021-11-13 18:06:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,343 INFO L354 Elim1Store]: treesize reduction 223, result has 0.4 percent of original size [2021-11-13 18:06:26,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 259 treesize of output 174 [2021-11-13 18:06:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:26,598 INFO L354 Elim1Store]: treesize reduction 199, result has 11.2 percent of original size [2021-11-13 18:06:26,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 256 treesize of output 195 [2021-11-13 18:06:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:30,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 60 [2021-11-13 18:06:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:32,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 157 [2021-11-13 18:06:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 44 [2021-11-13 18:06:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 54 [2021-11-13 18:06:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,284 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-11-13 18:06:35,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 203 treesize of output 124 [2021-11-13 18:06:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,337 INFO L354 Elim1Store]: treesize reduction 672, result has 0.1 percent of original size [2021-11-13 18:06:35,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 4 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 379 treesize of output 281 [2021-11-13 18:06:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:35,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2021-11-13 18:06:36,190 INFO L354 Elim1Store]: treesize reduction 918, result has 11.2 percent of original size [2021-11-13 18:06:36,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 313 treesize of output 532 [2021-11-13 18:06:36,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:36,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:06:36,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 14 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 144 [2021-11-13 18:06:36,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:06:36,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 14 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 136 [2021-11-13 18:06:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:36,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:06:36,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 14 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 245 [2021-11-13 18:06:36,992 INFO L354 Elim1Store]: treesize reduction 349, result has 2.0 percent of original size [2021-11-13 18:06:36,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 344 treesize of output 204 [2021-11-13 18:06:37,881 INFO L354 Elim1Store]: treesize reduction 1131, result has 10.9 percent of original size [2021-11-13 18:06:37,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 37 case distinctions, treesize of input 353 treesize of output 566 [2021-11-13 18:06:37,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:38,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:39,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 18:06:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 18:06:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 18:06:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 17 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 765 treesize of output 627 [2021-11-13 18:06:40,026 INFO L354 Elim1Store]: treesize reduction 266, result has 0.4 percent of original size [2021-11-13 18:06:40,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 827 treesize of output 595 [2021-11-13 18:06:40,040 INFO L354 Elim1Store]: treesize reduction 266, result has 0.4 percent of original size [2021-11-13 18:06:40,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 604 treesize of output 319 [2021-11-13 18:06:40,758 INFO L354 Elim1Store]: treesize reduction 499, result has 10.7 percent of original size [2021-11-13 18:06:40,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 214 treesize of output 137 [2021-11-13 18:06:42,554 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-13 18:06:42,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 264 treesize of output 100 [2021-11-13 18:06:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:42,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:07:38,058 WARN L227 SmtUtils]: Spent 15.31s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 18:08:11,666 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse18 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (let ((.cse16 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse12 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse17 (* .cse16 8))) (let ((.cse7 (< 2147483647 .cse16)) (.cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17)) (.cse0 (+ c_~N~0 1)) (.cse2 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse10 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17 (- 34359738368))) (.cse8 (<= .cse16 2147483647)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse11 (* .cse12 8))) (and (or (let ((.cse6 (+ 2 (select .cse4 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse11))))) (and (or (= .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse1 (store .cse4 .cse5 .cse6))) (store .cse1 .cse2 (+ 2 (select .cse1 .cse3))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse7) (or .cse8 (= .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse9 (store .cse4 .cse10 .cse6))) (store .cse9 .cse2 (+ 2 (select .cse9 .cse3))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< 2147483647 .cse12)) (or (let ((.cse14 (+ 2 (select .cse4 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))))) (and (or .cse7 (= .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse13 (store .cse4 .cse5 .cse14))) (store .cse13 .cse2 (+ (select .cse13 .cse3) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse15 (store .cse4 .cse10 .cse14))) (store .cse15 .cse2 (+ (select .cse15 .cse3) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse8))) (<= .cse12 2147483647)))))) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (<= .cse18 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse18)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse19 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse19 2147483648) (let ((.cse37 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse32 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (* .cse37 8))) (let ((.cse29 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse36)) (.cse30 (< 2147483647 .cse37)) (.cse27 (<= .cse37 2147483647)) (.cse20 (+ c_~N~0 1)) (.cse22 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse23 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse36 (- 34359738368))) (.cse24 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse31 (* .cse32 8))) (and (or (let ((.cse26 (+ 2 (select .cse24 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse31))))) (and (or (= .cse20 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse21 (store .cse24 .cse25 .cse26))) (store .cse21 .cse22 (+ 2 (select .cse21 .cse23))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse27) (or (= .cse20 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse28 (store .cse24 .cse29 .cse26))) (store .cse28 .cse22 (+ 2 (select .cse28 .cse23))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse30))) (< 2147483647 .cse32)) (or (let ((.cse34 (+ 2 (select .cse24 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse31 (- 34359738368)))))) (and (or (= .cse20 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse33 (store .cse24 .cse29 .cse34))) (store .cse33 .cse22 (+ (select .cse33 .cse23) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse30) (or .cse27 (= .cse20 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse35 (store .cse24 .cse25 .cse34))) (store .cse35 .cse22 (+ (select .cse35 .cse23) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (<= .cse32 2147483647)))))) (<= 4294967297 .cse19)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse56 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse55 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse50 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse54 (* .cse55 8))) (let ((.cse46 (< 2147483647 .cse55)) (.cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse54)) (.cse45 (<= .cse55 2147483647)) (.cse38 (+ c_~N~0 1)) (.cse40 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse41 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse43 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse54 (- 34359738368))) (.cse42 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse49 (* .cse50 8))) (and (or (let ((.cse44 (+ 2 (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49 (- 34359738368)))))) (and (or (= .cse38 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse39 (store .cse42 .cse43 .cse44))) (store .cse39 .cse40 (+ 2 (select .cse39 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse45) (or .cse46 (= .cse38 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse47 (store .cse42 .cse48 .cse44))) (store .cse47 .cse40 (+ 2 (select .cse47 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (<= .cse50 2147483647)) (or (let ((.cse52 (+ 2 (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49))))) (and (or .cse46 (= .cse38 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse51 (store .cse42 .cse48 .cse52))) (store .cse51 .cse40 (+ (select .cse51 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or .cse45 (= .cse38 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse53 (store .cse42 .cse43 .cse52))) (store .cse53 .cse40 (+ (select .cse53 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< 2147483647 .cse50)))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse56 1) (< 2147483648 .cse56)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse75 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse73 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse69 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse74 (* .cse73 8))) (let ((.cse57 (< 2147483647 .cse73)) (.cse62 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse74)) (.cse64 (+ c_~N~0 1)) (.cse59 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse60 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse66 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse74 (- 34359738368))) (.cse67 (<= .cse73 2147483647)) (.cse61 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse68 (* .cse69 8))) (and (or (let ((.cse63 (+ 2 (select .cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse68 (- 34359738368)))))) (and (or .cse57 (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse58 (store .cse61 .cse62 .cse63))) (store .cse58 .cse59 (+ 2 (select .cse58 .cse60))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse64)) (or (= .cse64 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse65 (store .cse61 .cse66 .cse63))) (store .cse65 .cse59 (+ 2 (select .cse65 .cse60))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse67))) (<= .cse69 2147483647)) (or (< 2147483647 .cse69) (let ((.cse71 (+ 2 (select .cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse68))))) (and (or .cse57 (= .cse64 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse70 (store .cse61 .cse62 .cse71))) (store .cse70 .cse59 (+ (select .cse70 .cse60) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse64 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse72 (store .cse61 .cse66 .cse71))) (store .cse72 .cse59 (+ (select .cse72 .cse60) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse67)))))))) (< .cse75 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse75))))) is different from false [2021-11-13 18:08:27,433 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse18 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse16 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse17 (* .cse16 8))) (let ((.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17)) (.cse8 (< 2147483647 .cse16)) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse4 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse10 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17 (- 34359738368))) (.cse1 (+ c_~N~0 1)) (.cse11 (<= .cse16 2147483647)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse12 (* .cse0 8))) (and (or (< 2147483647 .cse0) (let ((.cse7 (+ (select .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12)) 2))) (and (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse2 (store .cse5 .cse6 .cse7))) (store .cse2 .cse3 (+ 2 (select .cse2 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse8) (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse9 (store .cse5 .cse10 .cse7))) (store .cse9 .cse3 (+ 2 (select .cse9 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse11)))) (or (let ((.cse14 (+ (select .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12 (- 34359738368))) 2))) (and (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse13 (store .cse5 .cse6 .cse14))) (store .cse13 .cse3 (+ 2 (select .cse13 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse8) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse15 (store .cse5 .cse10 .cse14))) (store .cse15 .cse3 (+ 2 (select .cse15 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse1) .cse11))) (<= .cse0 2147483647)))))) (<= .cse18 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse18)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse19 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse19 1) (let ((.cse36 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse20 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse37 (* .cse36 8))) (let ((.cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse37)) (.cse31 (< 2147483647 .cse36)) (.cse23 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse24 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse26 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse37 (- 34359738368))) (.cse21 (+ c_~N~0 1)) (.cse28 (<= .cse36 2147483647)) (.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse32 (* .cse20 8))) (and (or (<= .cse20 2147483647) (let ((.cse27 (+ (select .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32 (- 34359738368))) 2))) (and (or (= .cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (store .cse25 .cse26 .cse27))) (store .cse22 .cse23 (+ 2 (select .cse22 .cse24))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse28) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse29 (store .cse25 .cse30 .cse27))) (store .cse29 .cse23 (+ 2 (select .cse29 .cse24))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse31)))) (or (< 2147483647 .cse20) (let ((.cse34 (+ (select .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32)) 2))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse33 (store .cse25 .cse30 .cse34))) (store .cse33 .cse23 (+ (select .cse33 .cse24) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse31) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse35 (store .cse25 .cse26 .cse34))) (store .cse35 .cse23 (+ (select .cse35 .cse24) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse28)))))))) (< 2147483648 .cse19)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse56 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse54 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse38 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse55 (* .cse54 8))) (let ((.cse43 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse55)) (.cse46 (< 2147483647 .cse54)) (.cse45 (+ c_~N~0 1)) (.cse40 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse41 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse55 (- 34359738368))) (.cse49 (<= .cse54 2147483647)) (.cse42 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse50 (* .cse38 8))) (and (or (<= .cse38 2147483647) (let ((.cse44 (+ (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse50 (- 34359738368))) 2))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse39 (store .cse42 .cse43 .cse44))) (store .cse39 .cse40 (+ 2 (select .cse39 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse45) .cse46) (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse47 (store .cse42 .cse48 .cse44))) (store .cse47 .cse40 (+ 2 (select .cse47 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse49)))) (or (< 2147483647 .cse38) (let ((.cse52 (+ (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse50)) 2))) (and (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse51 (store .cse42 .cse43 .cse52))) (store .cse51 .cse40 (+ (select .cse51 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse46) (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse53 (store .cse42 .cse48 .cse52))) (store .cse53 .cse40 (+ (select .cse53 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse49)))))))) (< .cse56 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse56)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse57 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse57 2147483648) (let ((.cse74 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse75 (* .cse74 8))) (let ((.cse63 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse75)) (.cse65 (< 2147483647 .cse74)) (.cse58 (+ c_~N~0 1)) (.cse60 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse67 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse75 (- 34359738368))) (.cse68 (<= .cse74 2147483647)) (.cse62 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse69 (* .cse70 8))) (and (or (let ((.cse64 (+ (select .cse62 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse69)) 2))) (and (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse59 (store .cse62 .cse63 .cse64))) (store .cse59 .cse60 (+ 2 (select .cse59 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse65) (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse66 (store .cse62 .cse67 .cse64))) (store .cse66 .cse60 (+ 2 (select .cse66 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse68))) (< 2147483647 .cse70)) (or (<= .cse70 2147483647) (let ((.cse72 (+ (select .cse62 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse69 (- 34359738368))) 2))) (and (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse71 (store .cse62 .cse63 .cse72))) (store .cse71 .cse60 (+ 2 (select .cse71 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse65) (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse73 (store .cse62 .cse67 .cse72))) (store .cse73 .cse60 (+ 2 (select .cse73 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse68)))))))) (<= 4294967297 .cse57))))) is different from false [2021-11-13 18:08:29,452 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse18 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse16 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse17 (* .cse16 8))) (let ((.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17)) (.cse8 (< 2147483647 .cse16)) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse4 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse10 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17 (- 34359738368))) (.cse1 (+ c_~N~0 1)) (.cse11 (<= .cse16 2147483647)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse12 (* .cse0 8))) (and (or (< 2147483647 .cse0) (let ((.cse7 (+ (select .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12)) 2))) (and (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse2 (store .cse5 .cse6 .cse7))) (store .cse2 .cse3 (+ 2 (select .cse2 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse8) (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse9 (store .cse5 .cse10 .cse7))) (store .cse9 .cse3 (+ 2 (select .cse9 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse11)))) (or (let ((.cse14 (+ (select .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12 (- 34359738368))) 2))) (and (or (= .cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse13 (store .cse5 .cse6 .cse14))) (store .cse13 .cse3 (+ 2 (select .cse13 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse8) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse15 (store .cse5 .cse10 .cse14))) (store .cse15 .cse3 (+ 2 (select .cse15 .cse4))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse1) .cse11))) (<= .cse0 2147483647)))))) (<= .cse18 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse18)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse19 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse19 1) (let ((.cse36 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse20 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse37 (* .cse36 8))) (let ((.cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse37)) (.cse31 (< 2147483647 .cse36)) (.cse23 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse24 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse26 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse37 (- 34359738368))) (.cse21 (+ c_~N~0 1)) (.cse28 (<= .cse36 2147483647)) (.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse32 (* .cse20 8))) (and (or (<= .cse20 2147483647) (let ((.cse27 (+ (select .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32 (- 34359738368))) 2))) (and (or (= .cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (store .cse25 .cse26 .cse27))) (store .cse22 .cse23 (+ 2 (select .cse22 .cse24))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse28) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse29 (store .cse25 .cse30 .cse27))) (store .cse29 .cse23 (+ 2 (select .cse29 .cse24))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse31)))) (or (< 2147483647 .cse20) (let ((.cse34 (+ (select .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32)) 2))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse33 (store .cse25 .cse30 .cse34))) (store .cse33 .cse23 (+ (select .cse33 .cse24) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse31) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse35 (store .cse25 .cse26 .cse34))) (store .cse35 .cse23 (+ (select .cse35 .cse24) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse21) .cse28)))))))) (< 2147483648 .cse19)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse56 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse54 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse38 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse55 (* .cse54 8))) (let ((.cse43 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse55)) (.cse46 (< 2147483647 .cse54)) (.cse45 (+ c_~N~0 1)) (.cse40 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse41 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (.cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse55 (- 34359738368))) (.cse49 (<= .cse54 2147483647)) (.cse42 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse50 (* .cse38 8))) (and (or (<= .cse38 2147483647) (let ((.cse44 (+ (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse50 (- 34359738368))) 2))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse39 (store .cse42 .cse43 .cse44))) (store .cse39 .cse40 (+ 2 (select .cse39 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) .cse45) .cse46) (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse47 (store .cse42 .cse48 .cse44))) (store .cse47 .cse40 (+ 2 (select .cse47 .cse41))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse49)))) (or (< 2147483647 .cse38) (let ((.cse52 (+ (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse50)) 2))) (and (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse51 (store .cse42 .cse43 .cse52))) (store .cse51 .cse40 (+ (select .cse51 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse46) (or (= .cse45 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse53 (store .cse42 .cse48 .cse52))) (store .cse53 .cse40 (+ (select .cse53 .cse41) 2)))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse49)))))))) (< .cse56 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse56)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse57 (+ (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse57 2147483648) (let ((.cse74 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse75 (* .cse74 8))) (let ((.cse63 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse75)) (.cse65 (< 2147483647 .cse74)) (.cse58 (+ c_~N~0 1)) (.cse60 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8))) (.cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8) (- 34359738368))) (.cse67 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse75 (- 34359738368))) (.cse68 (<= .cse74 2147483647)) (.cse62 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse69 (* .cse70 8))) (and (or (let ((.cse64 (+ (select .cse62 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse69)) 2))) (and (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse59 (store .cse62 .cse63 .cse64))) (store .cse59 .cse60 (+ 2 (select .cse59 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse65) (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse66 (store .cse62 .cse67 .cse64))) (store .cse66 .cse60 (+ 2 (select .cse66 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse68))) (< 2147483647 .cse70)) (or (<= .cse70 2147483647) (let ((.cse72 (+ (select .cse62 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse69 (- 34359738368))) 2))) (and (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse71 (store .cse62 .cse63 .cse72))) (store .cse71 .cse60 (+ 2 (select .cse71 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse65) (or (= .cse58 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse73 (store .cse62 .cse67 .cse72))) (store .cse73 .cse60 (+ 2 (select .cse73 .cse61))))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse68)))))))) (<= 4294967297 .cse57))))) is different from true