./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0 --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 f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:16:46,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:16:46,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:16:46,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:16:46,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:16:46,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:16:46,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:16:46,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:16:46,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:16:46,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:16:46,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:16:46,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:16:46,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:16:46,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:16:46,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:16:46,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:16:46,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:16:46,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:16:46,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:16:46,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:16:46,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:16:46,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:16:46,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:16:46,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:16:46,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:16:46,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:16:46,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:16:46,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:16:46,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:16:46,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:16:46,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:16:46,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:16:46,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:16:46,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:16:46,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:16:46,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:16:46,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:16:46,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:16:46,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:16:46,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:16:46,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:16:46,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:16:46,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:16:46,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:16:46,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:16:46,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:16:46,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:16:46,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:16:46,941 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:16:46,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:16:46,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:16:46,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:16:46,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:16:46,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:16:46,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:16:46,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:16:46,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:16:46,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:16:46,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:16:46,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:16:46,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:16:46,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:16:46,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:16:46,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:16:46,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:46,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:16:46,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:16:46,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:16:46,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:16:46,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:16:46,950 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:16:46,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:16:46,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:16:46,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:16:46,952 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_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 [2021-11-22 16:16:47,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:16:47,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:16:47,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:16:47,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:16:47,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:16:47,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-11-22 16:16:47,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/data/ce7136dc1/edc6a4ced815460ca7ffa6f6801b0272/FLAG696ea74f8 [2021-11-22 16:16:47,984 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:16:47,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-11-22 16:16:47,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/data/ce7136dc1/edc6a4ced815460ca7ffa6f6801b0272/FLAG696ea74f8 [2021-11-22 16:16:48,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/data/ce7136dc1/edc6a4ced815460ca7ffa6f6801b0272 [2021-11-22 16:16:48,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:16:48,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:16:48,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:48,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:16:48,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:16:48,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0d0a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48, skipping insertion in model container [2021-11-22 16:16:48,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:16:48,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:16:48,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-11-22 16:16:48,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:48,571 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:16:48,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-11-22 16:16:48,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:48,613 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:16:48,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48 WrapperNode [2021-11-22 16:16:48,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:48,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:48,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:16:48,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:16:48,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,659 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2021-11-22 16:16:48,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:48,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:16:48,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:16:48,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:16:48,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:16:48,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:16:48,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:16:48,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:16:48,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (1/1) ... [2021-11-22 16:16:48,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:48,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:48,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:48,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:16:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:16:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:16:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:16:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:16:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:16:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:16:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:16:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:16:48,913 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:16:48,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:16:49,177 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:16:49,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:16:49,184 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 16:16:49,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:49 BoogieIcfgContainer [2021-11-22 16:16:49,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:16:49,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:16:49,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:16:49,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:16:49,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:16:48" (1/3) ... [2021-11-22 16:16:49,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8d59f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:49, skipping insertion in model container [2021-11-22 16:16:49,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:48" (2/3) ... [2021-11-22 16:16:49,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8d59f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:16:49, skipping insertion in model container [2021-11-22 16:16:49,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:49" (3/3) ... [2021-11-22 16:16:49,195 INFO L111 eAbstractionObserver]: Analyzing ICFG sum10-1.i [2021-11-22 16:16:49,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:16:49,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 16:16:49,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:16:49,263 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 [2021-11-22 16:16:49,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 16:16:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.48) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-11-22 16:16:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 16:16:49,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:49,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:49,294 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:49,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:49,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1858201700, now seen corresponding path program 1 times [2021-11-22 16:16:49,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:49,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90346016] [2021-11-22 16:16:49,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:49,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:49,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:49,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90346016] [2021-11-22 16:16:49,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90346016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:49,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:49,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:16:49,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137199087] [2021-11-22 16:16:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:49,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:16:49,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:49,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:16:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:16:49,647 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.48) internal successors, (37), 26 states have internal predecessors, (37), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-22 16:16:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:49,694 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2021-11-22 16:16:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:49,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-11-22 16:16:49,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:49,706 INFO L225 Difference]: With dead ends: 52 [2021-11-22 16:16:49,707 INFO L226 Difference]: Without dead ends: 25 [2021-11-22 16:16:49,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:16:49,718 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:49,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:49,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-22 16:16:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-11-22 16:16:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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) [2021-11-22 16:16:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-11-22 16:16:49,773 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 17 [2021-11-22 16:16:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:49,773 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-11-22 16:16:49,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-22 16:16:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-22 16:16:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 16:16:49,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:49,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:49,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:16:49,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash 290125730, now seen corresponding path program 1 times [2021-11-22 16:16:49,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:49,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738334467] [2021-11-22 16:16:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:49,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:49,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:49,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738334467] [2021-11-22 16:16:49,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738334467] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:49,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417193543] [2021-11-22 16:16:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:49,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:49,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:49,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:49,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:16:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:49,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 16:16:49,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:16:50,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:16:50,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417193543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:50,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:16:50,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 16:16:50,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036698499] [2021-11-22 16:16:50,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:50,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:16:50,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:50,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:16:50,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:50,074 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-11-22 16:16:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:50,122 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2021-11-22 16:16:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:50,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Word has length 19 [2021-11-22 16:16:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:50,126 INFO L225 Difference]: With dead ends: 46 [2021-11-22 16:16:50,127 INFO L226 Difference]: Without dead ends: 30 [2021-11-22 16:16:50,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:50,133 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:50,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-22 16:16:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2021-11-22 16:16:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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) [2021-11-22 16:16:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-11-22 16:16:50,155 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 19 [2021-11-22 16:16:50,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:50,155 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-11-22 16:16:50,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-11-22 16:16:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-22 16:16:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 16:16:50,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:50,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:50,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:50,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:50,382 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:50,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:50,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1760334112, now seen corresponding path program 1 times [2021-11-22 16:16:50,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:50,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466825988] [2021-11-22 16:16:50,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:50,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 16:16:50,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:50,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466825988] [2021-11-22 16:16:50,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466825988] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:50,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724713339] [2021-11-22 16:16:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:50,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:50,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:50,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:50,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 16:16:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:50,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 16:16:50,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:50,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:16:50,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724713339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:50,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:16:50,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 16:16:50,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195925432] [2021-11-22 16:16:50,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:50,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:16:50,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:50,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:16:50,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:50,563 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-22 16:16:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:50,581 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2021-11-22 16:16:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:16:50,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-22 16:16:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:50,583 INFO L225 Difference]: With dead ends: 38 [2021-11-22 16:16:50,584 INFO L226 Difference]: Without dead ends: 29 [2021-11-22 16:16:50,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:50,586 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:50,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 47 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:50,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-22 16:16:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-11-22 16:16:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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) [2021-11-22 16:16:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-11-22 16:16:50,598 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 25 [2021-11-22 16:16:50,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:50,599 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-11-22 16:16:50,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-22 16:16:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-22 16:16:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 16:16:50,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:50,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:50,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:50,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-22 16:16:50,819 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:50,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1208457118, now seen corresponding path program 1 times [2021-11-22 16:16:50,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:50,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710964405] [2021-11-22 16:16:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:50,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:50,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:50,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710964405] [2021-11-22 16:16:50,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710964405] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:50,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495433797] [2021-11-22 16:16:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:50,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:50,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:50,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:50,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 16:16:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:50,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:50,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:51,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:51,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495433797] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:51,128 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:51,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-22 16:16:51,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950169950] [2021-11-22 16:16:51,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:51,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:16:51,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:16:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:16:51,135 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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) [2021-11-22 16:16:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:51,169 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2021-11-22 16:16:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:16:51,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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 27 [2021-11-22 16:16:51,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:51,176 INFO L225 Difference]: With dead ends: 57 [2021-11-22 16:16:51,176 INFO L226 Difference]: Without dead ends: 34 [2021-11-22 16:16:51,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:16:51,179 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:51,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 71 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:51,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-22 16:16:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-22 16:16:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 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) [2021-11-22 16:16:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2021-11-22 16:16:51,189 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 27 [2021-11-22 16:16:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:51,189 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2021-11-22 16:16:51,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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) [2021-11-22 16:16:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-11-22 16:16:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 16:16:51,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:51,191 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:51,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:51,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:51,392 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1267081640, now seen corresponding path program 2 times [2021-11-22 16:16:51,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:51,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197310836] [2021-11-22 16:16:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:51,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 16:16:51,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:51,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197310836] [2021-11-22 16:16:51,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197310836] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:51,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632760624] [2021-11-22 16:16:51,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:16:51,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:51,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:51,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:51,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 16:16:51,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 16:16:51,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:16:51,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:16:51,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:51,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:16:51,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632760624] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:51,771 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:51,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2021-11-22 16:16:51,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605435309] [2021-11-22 16:16:51,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:51,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 16:16:51,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:51,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 16:16:51,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:16:51,774 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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) [2021-11-22 16:16:51,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:51,895 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2021-11-22 16:16:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 16:16:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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 33 [2021-11-22 16:16:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:51,898 INFO L225 Difference]: With dead ends: 78 [2021-11-22 16:16:51,898 INFO L226 Difference]: Without dead ends: 55 [2021-11-22 16:16:51,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:16:51,900 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 23 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:51,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 66 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:16:51,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-22 16:16:51,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2021-11-22 16:16:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 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) [2021-11-22 16:16:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2021-11-22 16:16:51,908 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 33 [2021-11-22 16:16:51,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:51,908 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2021-11-22 16:16:51,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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) [2021-11-22 16:16:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-22 16:16:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 16:16:51,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:51,917 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:51,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:52,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:52,123 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:52,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1849229898, now seen corresponding path program 3 times [2021-11-22 16:16:52,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:52,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29907790] [2021-11-22 16:16:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:52,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 16:16:52,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:52,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29907790] [2021-11-22 16:16:52,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29907790] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:52,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816771870] [2021-11-22 16:16:52,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:16:52,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:52,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:52,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:52,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 16:16:52,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 16:16:52,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:16:52,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:16:52,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 16:16:52,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 16:16:52,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816771870] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:52,483 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:52,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-22 16:16:52,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005880835] [2021-11-22 16:16:52,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:52,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:16:52,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:52,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:16:52,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:16:52,486 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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) [2021-11-22 16:16:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:52,513 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2021-11-22 16:16:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:16:52,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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 51 [2021-11-22 16:16:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:52,515 INFO L225 Difference]: With dead ends: 69 [2021-11-22 16:16:52,515 INFO L226 Difference]: Without dead ends: 58 [2021-11-22 16:16:52,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:16:52,516 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:52,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 113 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-22 16:16:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-11-22 16:16:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.087719298245614) internal successors, (62), 57 states have internal predecessors, (62), 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) [2021-11-22 16:16:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2021-11-22 16:16:52,525 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 51 [2021-11-22 16:16:52,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:52,525 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2021-11-22 16:16:52,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 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) [2021-11-22 16:16:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2021-11-22 16:16:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 16:16:52,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:52,527 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:52,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-22 16:16:52,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 16:16:52,742 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:52,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash -790181948, now seen corresponding path program 4 times [2021-11-22 16:16:52,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:52,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079523571] [2021-11-22 16:16:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:52,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-22 16:16:52,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:52,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079523571] [2021-11-22 16:16:52,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079523571] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:52,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423164323] [2021-11-22 16:16:52,878 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 16:16:52,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:52,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:52,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 16:16:52,949 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 16:16:52,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:16:52,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:16:52,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-22 16:16:53,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-22 16:16:53,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423164323] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:53,179 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:53,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-22 16:16:53,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570215109] [2021-11-22 16:16:53,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:53,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:16:53,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:53,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:16:53,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:16:53,181 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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) [2021-11-22 16:16:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:53,271 INFO L93 Difference]: Finished difference Result 111 states and 129 transitions. [2021-11-22 16:16:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:16:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-22 16:16:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:53,273 INFO L225 Difference]: With dead ends: 111 [2021-11-22 16:16:53,274 INFO L226 Difference]: Without dead ends: 82 [2021-11-22 16:16:53,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:16:53,275 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 24 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:53,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 66 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:16:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-22 16:16:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-22 16:16:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0617283950617284) internal successors, (86), 81 states have internal predecessors, (86), 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) [2021-11-22 16:16:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2021-11-22 16:16:53,285 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 57 [2021-11-22 16:16:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:53,286 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2021-11-22 16:16:53,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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) [2021-11-22 16:16:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2021-11-22 16:16:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 16:16:53,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:53,288 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:53,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:53,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:53,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:53,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash 459280572, now seen corresponding path program 5 times [2021-11-22 16:16:53,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:53,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013631201] [2021-11-22 16:16:53,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:53,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-22 16:16:53,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:53,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013631201] [2021-11-22 16:16:53,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013631201] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:53,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601513767] [2021-11-22 16:16:53,727 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 16:16:53,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:53,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 16:16:54,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-11-22 16:16:54,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:16:54,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 16:16:54,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-22 16:16:54,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-22 16:16:54,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601513767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:54,418 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:54,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-22 16:16:54,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167945529] [2021-11-22 16:16:54,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:54,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 16:16:54,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:54,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 16:16:54,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:16:54,421 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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) [2021-11-22 16:16:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:54,546 INFO L93 Difference]: Finished difference Result 151 states and 169 transitions. [2021-11-22 16:16:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 16:16:54,547 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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 81 [2021-11-22 16:16:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:54,548 INFO L225 Difference]: With dead ends: 151 [2021-11-22 16:16:54,548 INFO L226 Difference]: Without dead ends: 106 [2021-11-22 16:16:54,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:16:54,550 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 68 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:54,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 51 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:16:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-22 16:16:54,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-11-22 16:16:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.0476190476190477) internal successors, (110), 105 states have internal predecessors, (110), 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) [2021-11-22 16:16:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 110 transitions. [2021-11-22 16:16:54,561 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 110 transitions. Word has length 81 [2021-11-22 16:16:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:54,561 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 110 transitions. [2021-11-22 16:16:54,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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) [2021-11-22 16:16:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2021-11-22 16:16:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 16:16:54,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:54,564 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:54,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:54,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:54,777 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:54,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash -609357388, now seen corresponding path program 6 times [2021-11-22 16:16:54,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:54,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082573317] [2021-11-22 16:16:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:54,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-11-22 16:16:54,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:54,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082573317] [2021-11-22 16:16:54,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082573317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:16:54,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855970298] [2021-11-22 16:16:54,942 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-22 16:16:54,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:54,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:54,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:16:54,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 16:16:55,367 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-11-22 16:16:55,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:16:55,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:16:55,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-11-22 16:16:55,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:16:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-11-22 16:16:55,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855970298] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:16:55,728 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:16:55,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2021-11-22 16:16:55,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636702364] [2021-11-22 16:16:55,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:16:55,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 16:16:55,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:55,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 16:16:55,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:16:55,730 INFO L87 Difference]: Start difference. First operand 106 states and 110 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-22 16:16:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:55,768 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2021-11-22 16:16:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 16:16:55,769 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 105 [2021-11-22 16:16:55,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:16:55,770 INFO L225 Difference]: With dead ends: 143 [2021-11-22 16:16:55,770 INFO L226 Difference]: Without dead ends: 116 [2021-11-22 16:16:55,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:16:55,772 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:16:55,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 91 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:16:55,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-22 16:16:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-22 16:16:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.0434782608695652) internal successors, (120), 115 states have internal predecessors, (120), 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) [2021-11-22 16:16:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2021-11-22 16:16:55,783 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 105 [2021-11-22 16:16:55,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:16:55,783 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2021-11-22 16:16:55,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-22 16:16:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2021-11-22 16:16:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 16:16:55,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:16:55,786 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:55,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-22 16:16:55,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:16:55,997 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:16:55,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:55,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1881354710, now seen corresponding path program 7 times [2021-11-22 16:16:55,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:55,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724358301] [2021-11-22 16:16:55,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:55,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:17:48,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:17:48,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724358301] [2021-11-22 16:17:48,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724358301] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:17:48,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685603572] [2021-11-22 16:17:48,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-22 16:17:48,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:17:48,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:17:48,528 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:17:48,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee2fb3a-071c-48fc-9b11-9c91e0928f09/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 16:17:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:49,263 WARN L261 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-22 16:17:49,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:17:49,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:17:49,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-22 16:17:52,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 690 treesize of output 539 [2021-11-22 16:17:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:17:52,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 232 [2021-11-22 16:18:20,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:20,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:20,750 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-11-22 16:18:20,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 45 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 841 treesize of output 373 [2021-11-22 16:18:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:23,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:23,451 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-11-22 16:18:23,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 45 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 801 treesize of output 369 [2021-11-22 16:18:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:28,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:28,975 INFO L354 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2021-11-22 16:18:28,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 785 treesize of output 360 [2021-11-22 16:18:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:31,627 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-22 16:18:31,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 45 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 771 treesize of output 353 [2021-11-22 16:18:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:33,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:33,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:34,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:34,069 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-11-22 16:18:34,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 45 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 777 treesize of output 343 [2021-11-22 16:18:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:36,426 INFO L354 Elim1Store]: treesize reduction 19, result has 13.6 percent of original size [2021-11-22 16:18:36,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 783 treesize of output 334 [2021-11-22 16:18:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:39,569 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-22 16:18:39,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 769 treesize of output 328 [2021-11-22 16:18:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:45,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:45,159 INFO L354 Elim1Store]: treesize reduction 15, result has 31.8 percent of original size [2021-11-22 16:18:45,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 45 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 755 treesize of output 321 [2021-11-22 16:18:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 16:18:48,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 16:18:48,436 INFO L354 Elim1Store]: treesize reduction 4, result has 42.9 percent of original size [2021-11-22 16:18:48,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 756 treesize of output 288 [2021-11-22 16:18:50,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 16:18:50,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 640 treesize of output 259 [2021-11-22 16:19:10,754 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 16:19:10,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 502 treesize of output 142 [2021-11-22 16:19:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:19:13,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:25:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 381 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 16:25:46,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685603572] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:25:46,810 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:25:46,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 95, 84] total 235 [2021-11-22 16:25:46,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87752545] [2021-11-22 16:25:46,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:25:46,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2021-11-22 16:25:46,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:25:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2021-11-22 16:25:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1029, Invalid=53953, Unknown=8, NotChecked=0, Total=54990 [2021-11-22 16:25:46,849 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 235 states, 235 states have (on average 1.174468085106383) internal successors, (276), 235 states have internal predecessors, (276), 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) [2021-11-22 16:29:10,052 WARN L227 SmtUtils]: Spent 34.76s on a formula simplification. DAG size of input: 402 DAG size of output: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)