./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R --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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:32:52,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:32:52,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:32:52,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:32:52,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:32:52,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:32:52,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:32:52,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:32:52,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:32:52,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:32:52,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:32:52,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:32:52,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:32:52,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:32:52,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:32:52,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:32:52,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:32:52,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:32:52,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:32:52,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:32:52,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:32:53,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:32:53,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:32:53,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:32:53,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:32:53,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:32:53,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:32:53,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:32:53,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:32:53,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:32:53,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:32:53,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:32:53,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:32:53,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:32:53,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:32:53,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:32:53,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:32:53,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:32:53,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:32:53,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:32:53,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:32:53,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:32:53,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:32:53,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:32:53,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:32:53,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:32:53,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:32:53,086 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:32:53,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:32:53,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:32:53,099 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:32:53,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:32:53,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:32:53,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:32:53,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:32:53,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:32:53,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:32:53,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:32:53,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:32:53,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:32:53,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:32:53,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:32:53,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:32:53,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:32:53,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:32:53,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:32:53,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:53,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:32:53,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:32:53,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:32:53,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:32:53,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:32:53,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:32:53,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:32:53,109 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:32:53,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:32:53,110 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2022-11-25 18:32:53,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:32:53,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:32:53,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:32:53,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:32:53,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:32:53,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/heap-data/shared_mem1.i [2022-11-25 18:32:56,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:32:57,065 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:32:57,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/sv-benchmarks/c/heap-data/shared_mem1.i [2022-11-25 18:32:57,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/data/70f94a659/1d3dcaeb6fff4ab89baa021dd5b24aa4/FLAG55d6ca907 [2022-11-25 18:32:57,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/data/70f94a659/1d3dcaeb6fff4ab89baa021dd5b24aa4 [2022-11-25 18:32:57,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:32:57,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:32:57,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:57,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:32:57,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:32:57,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3806ac88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57, skipping insertion in model container [2022-11-25 18:32:57,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:32:57,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:32:57,483 WARN L237 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_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-11-25 18:32:57,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:57,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:32:57,578 WARN L237 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_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-11-25 18:32:57,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:57,624 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:32:57,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57 WrapperNode [2022-11-25 18:32:57,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:57,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:57,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:32:57,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:32:57,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,686 INFO L138 Inliner]: procedures = 121, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-11-25 18:32:57,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:57,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:32:57,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:32:57,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:32:57,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:32:57,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:32:57,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:32:57,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:32:57,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:57,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:32:57,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:32:57,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:32:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:32:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:32:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:32:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:32:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:32:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:32:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:32:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:32:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:32:57,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:32:57,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:32:58,265 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:32:58,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:32:58,277 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:32:58,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:58 BoogieIcfgContainer [2022-11-25 18:32:58,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:32:58,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:32:58,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:32:58,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:32:58,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:32:57" (1/3) ... [2022-11-25 18:32:58,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc81907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:58, skipping insertion in model container [2022-11-25 18:32:58,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (2/3) ... [2022-11-25 18:32:58,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc81907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:58, skipping insertion in model container [2022-11-25 18:32:58,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:58" (3/3) ... [2022-11-25 18:32:58,307 INFO L112 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2022-11-25 18:32:58,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:32:58,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:32:58,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:32:58,469 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a31b76d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:32:58,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:32:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-11-25 18:32:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 18:32:58,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:58,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:58,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:58,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1650103796, now seen corresponding path program 1 times [2022-11-25 18:32:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:58,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880021911] [2022-11-25 18:32:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:58,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:32:58,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:58,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880021911] [2022-11-25 18:32:58,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880021911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:58,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:58,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:32:58,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110999988] [2022-11-25 18:32:58,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:58,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:32:58,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:32:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:32:58,850 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 18:32:58,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:58,869 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2022-11-25 18:32:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:32:58,872 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-25 18:32:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:58,881 INFO L225 Difference]: With dead ends: 27 [2022-11-25 18:32:58,881 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 18:32:58,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:32:58,888 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:58,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:58,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 18:32:58,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 18:32:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2022-11-25 18:32:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-25 18:32:58,939 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 10 [2022-11-25 18:32:58,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:58,940 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-25 18:32:58,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-25 18:32:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-25 18:32:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:32:58,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:58,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:58,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:32:58,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:58,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash -812668617, now seen corresponding path program 1 times [2022-11-25 18:32:58,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:58,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874200579] [2022-11-25 18:32:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:00,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:00,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874200579] [2022-11-25 18:33:00,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874200579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:00,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:00,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:33:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997138816] [2022-11-25 18:33:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:00,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:33:00,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:00,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:33:00,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:33:00,215 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-11-25 18:33:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:00,474 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2022-11-25 18:33:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:33:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 11 [2022-11-25 18:33:00,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:00,477 INFO L225 Difference]: With dead ends: 29 [2022-11-25 18:33:00,478 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 18:33:00,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:33:00,480 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:00,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 38 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:33:00,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 18:33:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2022-11-25 18:33:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 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) [2022-11-25 18:33:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2022-11-25 18:33:00,489 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 11 [2022-11-25 18:33:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:00,489 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-25 18:33:00,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-11-25 18:33:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-11-25 18:33:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:33:00,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:00,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:00,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:33:00,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:00,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:00,493 INFO L85 PathProgramCache]: Analyzing trace with hash -812666695, now seen corresponding path program 1 times [2022-11-25 18:33:00,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:00,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909864196] [2022-11-25 18:33:00,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:00,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:01,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:01,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909864196] [2022-11-25 18:33:01,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909864196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:01,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:01,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:33:01,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707717177] [2022-11-25 18:33:01,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:01,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:33:01,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:01,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:33:01,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:33:01,238 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-11-25 18:33:01,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:01,469 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2022-11-25 18:33:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:33:01,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 11 [2022-11-25 18:33:01,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:01,471 INFO L225 Difference]: With dead ends: 31 [2022-11-25 18:33:01,471 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 18:33:01,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:33:01,473 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:01,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:33:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 18:33:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-11-25 18:33:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2022-11-25 18:33:01,481 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 29 transitions. Word has length 11 [2022-11-25 18:33:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:01,482 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-11-25 18:33:01,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-11-25 18:33:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-25 18:33:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:33:01,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:01,483 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:01,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:33:01,484 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:01,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:01,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1760681901, now seen corresponding path program 1 times [2022-11-25 18:33:01,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:01,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213866527] [2022-11-25 18:33:01,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:01,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:02,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:02,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213866527] [2022-11-25 18:33:02,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213866527] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:02,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860632349] [2022-11-25 18:33:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:02,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:02,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:02,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:33:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:02,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-25 18:33:02,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:02,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:03,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:03,044 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 18:33:03,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-25 18:33:03,123 INFO L321 Elim1Store]: treesize reduction 46, result has 29.2 percent of original size [2022-11-25 18:33:03,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 94 [2022-11-25 18:33:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-25 18:33:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2022-11-25 18:33:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 41 [2022-11-25 18:33:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-11-25 18:33:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-11-25 18:33:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-11-25 18:33:03,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-25 18:33:03,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 18:33:03,673 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:33:03,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-25 18:33:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:03,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-25 18:33:03,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-25 18:33:03,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2022-11-25 18:33:03,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:33:03,968 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-25 18:33:03,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2022-11-25 18:33:03,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-25 18:33:04,192 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:33:04,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2022-11-25 18:33:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:04,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:04,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860632349] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:04,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:04,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-11-25 18:33:04,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037879026] [2022-11-25 18:33:04,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:04,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:33:04,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:04,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:33:04,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:33:04,896 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:05,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:05,597 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2022-11-25 18:33:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:33:05,598 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 18:33:05,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:05,599 INFO L225 Difference]: With dead ends: 42 [2022-11-25 18:33:05,600 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 18:33:05,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:33:05,601 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 51 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:05,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 54 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:33:05,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 18:33:05,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-11-25 18:33:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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) [2022-11-25 18:33:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-25 18:33:05,609 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 14 [2022-11-25 18:33:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:05,609 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-25 18:33:05,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-11-25 18:33:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:33:05,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:05,611 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:05,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:05,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:05,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:05,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:05,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1760679979, now seen corresponding path program 1 times [2022-11-25 18:33:05,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:05,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448424033] [2022-11-25 18:33:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:05,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:06,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:06,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448424033] [2022-11-25 18:33:06,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448424033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:06,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968636194] [2022-11-25 18:33:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:06,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:06,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:33:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:06,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-25 18:33:06,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:07,033 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-25 18:33:07,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 74 [2022-11-25 18:33:07,077 INFO L321 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2022-11-25 18:33:07,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 91 [2022-11-25 18:33:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-25 18:33:07,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2022-11-25 18:33:07,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2022-11-25 18:33:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2022-11-25 18:33:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 121 [2022-11-25 18:33:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:33:07,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 3 [2022-11-25 18:33:07,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-11-25 18:33:07,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:07,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:07,419 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:33:07,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 18:33:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-11-25 18:33:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-11-25 18:33:07,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-25 18:33:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2022-11-25 18:33:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:07,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-25 18:33:07,733 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-25 18:33:07,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 18:33:07,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-25 18:33:07,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2022-11-25 18:33:07,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2022-11-25 18:33:07,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-11-25 18:33:08,046 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:33:08,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2022-11-25 18:33:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:08,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:08,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968636194] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:08,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:08,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2022-11-25 18:33:08,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171962498] [2022-11-25 18:33:08,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:08,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 18:33:08,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:08,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 18:33:08,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=179, Unknown=1, NotChecked=0, Total=240 [2022-11-25 18:33:08,514 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 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) [2022-11-25 18:33:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:09,118 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-11-25 18:33:09,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:33:09,119 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 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 14 [2022-11-25 18:33:09,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:09,120 INFO L225 Difference]: With dead ends: 35 [2022-11-25 18:33:09,120 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 18:33:09,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=303, Unknown=1, NotChecked=0, Total=420 [2022-11-25 18:33:09,122 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:09,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 47 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:33:09,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 18:33:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2022-11-25 18:33:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-11-25 18:33:09,128 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 14 [2022-11-25 18:33:09,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:09,129 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-11-25 18:33:09,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 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) [2022-11-25 18:33:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-25 18:33:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 18:33:09,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:09,130 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:09,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:09,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:09,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:09,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:09,332 INFO L85 PathProgramCache]: Analyzing trace with hash 187961508, now seen corresponding path program 1 times [2022-11-25 18:33:09,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:09,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917051444] [2022-11-25 18:33:09,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:10,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:10,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917051444] [2022-11-25 18:33:10,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917051444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:10,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619651794] [2022-11-25 18:33:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:10,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:10,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:33:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:10,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-25 18:33:10,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:10,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-25 18:33:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-25 18:33:10,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-25 18:33:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:10,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:10,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2022-11-25 18:33:10,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-25 18:33:10,591 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:33:10,592 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2022-11-25 18:33:10,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2022-11-25 18:33:10,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2022-11-25 18:33:10,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2022-11-25 18:33:10,860 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:33:10,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2022-11-25 18:33:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:10,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:11,002 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-11-25 18:33:11,041 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-11-25 18:33:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-25 18:33:11,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619651794] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:11,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:11,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2022-11-25 18:33:11,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999127917] [2022-11-25 18:33:11,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:11,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:33:11,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:11,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:33:11,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=206, Unknown=2, NotChecked=58, Total=306 [2022-11-25 18:33:11,148 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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) [2022-11-25 18:33:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:12,575 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2022-11-25 18:33:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:33:12,577 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 18:33:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:12,578 INFO L225 Difference]: With dead ends: 50 [2022-11-25 18:33:12,578 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 18:33:12,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=112, Invalid=356, Unknown=2, NotChecked=82, Total=552 [2022-11-25 18:33:12,579 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 56 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:12,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 115 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 34 Unchecked, 0.4s Time] [2022-11-25 18:33:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 18:33:12,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-11-25 18:33:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-25 18:33:12,585 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 16 [2022-11-25 18:33:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:12,586 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-25 18:33:12,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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) [2022-11-25 18:33:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-25 18:33:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 18:33:12,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:12,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:12,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:12,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 18:33:12,788 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2098222328, now seen corresponding path program 1 times [2022-11-25 18:33:12,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:12,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560616219] [2022-11-25 18:33:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560616219] [2022-11-25 18:33:14,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560616219] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31787429] [2022-11-25 18:33:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:14,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:14,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:14,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:14,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:33:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:14,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-25 18:33:14,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:14,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:14,369 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:33:14,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 18:33:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-25 18:33:14,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-25 18:33:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-25 18:33:14,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 18:33:14,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2022-11-25 18:33:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-11-25 18:33:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 58 [2022-11-25 18:33:14,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2022-11-25 18:33:14,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 33 [2022-11-25 18:33:14,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2022-11-25 18:33:14,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 27 [2022-11-25 18:33:14,762 INFO L321 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-11-25 18:33:14,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 18:33:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:14,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-25 18:33:15,168 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-25 18:33:15,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 163 [2022-11-25 18:33:15,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2022-11-25 18:33:15,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-11-25 18:33:15,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:33:15,583 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2022-11-25 18:33:15,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 125 treesize of output 69 [2022-11-25 18:33:15,599 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-25 18:33:15,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 41 [2022-11-25 18:33:15,610 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:33:15,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2022-11-25 18:33:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:15,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:15,783 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_698)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_697)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_696)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7) 4))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-11-25 18:33:16,027 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:33:16,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 690 treesize of output 558 [2022-11-25 18:33:16,052 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:33:16,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 546 treesize of output 498 [2022-11-25 18:33:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-25 18:33:16,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31787429] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:16,589 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:16,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2022-11-25 18:33:16,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182039160] [2022-11-25 18:33:16,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:16,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 18:33:16,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:16,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 18:33:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=434, Unknown=9, NotChecked=42, Total=552 [2022-11-25 18:33:16,599 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2022-11-25 18:33:16,688 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse10)) (.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse10))) (and (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| .cse3))) (or (not (<= (+ (select .cse0 .cse1) .cse2) v_ArrVal_698)) (< 100 (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_697)) (.cse4 (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_696)) (.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~head~0#1.base|) .cse8)) (.cse6 (+ 4 (select (select .cse7 |c_ULTIMATE.start_main_~head~0#1.base|) .cse8)))) (select (select (store |c_#memory_int| .cse3 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse4 .cse5) .cse6)) (select (select .cse7 .cse5) .cse6)))))))) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (<= 100 .cse9) (= |c_ULTIMATE.start_main_~m~0#1.offset| .cse1) (= .cse2 1) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= .cse9 100) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|) 1) (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |c_ULTIMATE.start_main_~list~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| 0) (<= 1 .cse2) (= |c_ULTIMATE.start_main_~m~0#1.base| .cse3)))) is different from false [2022-11-25 18:33:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:19,974 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2022-11-25 18:33:19,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:33:19,975 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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 [2022-11-25 18:33:19,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:19,976 INFO L225 Difference]: With dead ends: 32 [2022-11-25 18:33:19,976 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 18:33:19,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=162, Invalid=706, Unknown=10, NotChecked=114, Total=992 [2022-11-25 18:33:19,977 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:19,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 136 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 20 Unchecked, 0.9s Time] [2022-11-25 18:33:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 18:33:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-25 18:33:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 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) [2022-11-25 18:33:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2022-11-25 18:33:19,996 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 19 [2022-11-25 18:33:19,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:19,996 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-25 18:33:19,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2022-11-25 18:33:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-25 18:33:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 18:33:19,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:19,998 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:20,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:20,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:20,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2096375286, now seen corresponding path program 1 times [2022-11-25 18:33:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:20,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644789721] [2022-11-25 18:33:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:22,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:22,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644789721] [2022-11-25 18:33:22,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644789721] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:22,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867004907] [2022-11-25 18:33:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:22,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:33:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:22,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-25 18:33:22,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:22,454 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:33:22,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 18:33:22,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:22,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-25 18:33:22,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-25 18:33:22,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-25 18:33:22,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 18:33:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-11-25 18:33:22,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-25 18:33:22,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-25 18:33:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:33:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:22,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:33:22,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-25 18:33:22,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-25 18:33:22,891 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-25 18:33:22,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 18:33:23,417 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-25 18:33:23,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 154 [2022-11-25 18:33:23,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2022-11-25 18:33:23,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-11-25 18:33:24,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:33:24,031 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2022-11-25 18:33:24,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 202 treesize of output 110 [2022-11-25 18:33:24,054 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-25 18:33:24,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 58 [2022-11-25 18:33:24,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2022-11-25 18:33:24,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2022-11-25 18:33:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:24,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:26,737 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_884 Int) (v_ArrVal_881 Int) (v_ArrVal_880 (Array Int Int)) (v_ArrVal_882 (Array Int Int))) (let ((.cse12 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse8 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_882)) (.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse10 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_880))) (let ((.cse3 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse9 (+ .cse4 4)) (.cse0 (select |c_#memory_int| .cse11)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse2 (store |c_#memory_int| .cse11 (store .cse0 .cse1 v_ArrVal_881))) (.cse7 (select (select .cse10 .cse3) .cse9))) (let ((.cse5 (select .cse2 .cse7)) (.cse6 (select (select .cse8 .cse3) .cse9))) (or (not (<= v_ArrVal_881 (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ v_ArrVal_884 (select (select .cse2 .cse3) .cse4)) (select .cse5 .cse6))) (<= (select (select (store .cse2 .cse7 (store .cse5 .cse6 v_ArrVal_884)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) 109)))))))))) is different from false [2022-11-25 18:33:26,908 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:33:26,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1851 treesize of output 1653 [2022-11-25 18:33:26,970 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:33:26,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1641 treesize of output 1575 [2022-11-25 18:33:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-25 18:33:28,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867004907] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:28,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:28,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2022-11-25 18:33:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812144270] [2022-11-25 18:33:28,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:28,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 18:33:28,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:28,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 18:33:28,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=413, Unknown=10, NotChecked=42, Total=552 [2022-11-25 18:33:28,287 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2022-11-25 18:33:33,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:33:47,287 WARN L233 SmtUtils]: Spent 12.10s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:33:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:47,372 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-11-25 18:33:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:33:47,373 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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 [2022-11-25 18:33:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:47,374 INFO L225 Difference]: With dead ends: 47 [2022-11-25 18:33:47,374 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 18:33:47,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=250, Invalid=866, Unknown=10, NotChecked=64, Total=1190 [2022-11-25 18:33:47,375 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 84 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 30 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:47,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 146 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 210 Invalid, 4 Unknown, 32 Unchecked, 2.8s Time] [2022-11-25 18:33:47,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 18:33:47,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2022-11-25 18:33:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 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) [2022-11-25 18:33:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2022-11-25 18:33:47,385 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 19 [2022-11-25 18:33:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:47,385 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-11-25 18:33:47,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2022-11-25 18:33:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-11-25 18:33:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 18:33:47,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:47,386 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:47,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:47,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:47,591 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:47,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2096373364, now seen corresponding path program 1 times [2022-11-25 18:33:47,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:47,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575829934] [2022-11-25 18:33:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:47,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:48,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575829934] [2022-11-25 18:33:48,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575829934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:48,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639373829] [2022-11-25 18:33:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:48,979 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:48,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:33:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 100 conjunts are in the unsatisfiable core [2022-11-25 18:33:49,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:49,268 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:33:49,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 18:33:49,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-25 18:33:49,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 18:33:49,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:49,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:33:49,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-25 18:33:49,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 38 [2022-11-25 18:33:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:33:49,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-25 18:33:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:33:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,649 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 18:33:49,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2022-11-25 18:33:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,680 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2022-11-25 18:33:49,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2022-11-25 18:33:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:33:49,713 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 18:33:49,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-11-25 18:33:49,736 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 18:33:49,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-11-25 18:33:50,656 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-11-25 18:33:50,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 262 treesize of output 235 [2022-11-25 18:33:50,727 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2022-11-25 18:33:50,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 243 treesize of output 243 [2022-11-25 18:33:50,833 INFO L321 Elim1Store]: treesize reduction 128, result has 38.2 percent of original size [2022-11-25 18:33:50,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 204 treesize of output 235 [2022-11-25 18:33:51,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:33:53,564 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2022-11-25 18:33:53,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 372 treesize of output 354 [2022-11-25 18:33:54,229 INFO L321 Elim1Store]: treesize reduction 655, result has 25.7 percent of original size [2022-11-25 18:33:54,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 233 treesize of output 394 [2022-11-25 18:33:54,634 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2022-11-25 18:33:54,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 41 case distinctions, treesize of input 314 treesize of output 324 [2022-11-25 18:34:29,910 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-25 18:34:29,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 30 [2022-11-25 18:34:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:34:29,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:34:36,500 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse6 (select (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse10 (+ .cse6 4)) (.cse7 (select |c_#memory_int| .cse12)) (.cse8 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse0 (store |c_#memory_int| .cse12 (store .cse7 .cse8 v_ArrVal_1060))) (.cse1 (select (select .cse11 .cse5) .cse10))) (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select .cse9 .cse5) .cse10))) (let ((.cse4 (select .cse2 .cse3))) (or (<= 91 (select (select (store .cse0 .cse1 (store .cse2 .cse3 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse5) .cse6)))) (not (<= (+ (select .cse7 .cse8) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (< .cse4 101))))))))))) is different from false [2022-11-25 18:34:36,589 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse10 (+ 4 .cse8)) (.cse5 (select |c_#memory_int| .cse12)) (.cse6 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse1 (store |c_#memory_int| .cse12 (store .cse5 .cse6 v_ArrVal_1060))) (.cse2 (select (select .cse11 .cse7) .cse10))) (let ((.cse3 (select .cse1 .cse2)) (.cse4 (select (select .cse9 .cse7) .cse10))) (let ((.cse0 (select .cse3 .cse4))) (or (< .cse0 101) (<= 91 (select (select (store .cse1 .cse2 (store .cse3 .cse4 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= (+ (select .cse5 .cse6) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse1 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse0 (+ v_ArrVal_1065 (select (select .cse1 .cse7) .cse8)))))))))))))) is different from false [2022-11-25 18:34:36,843 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:34:36,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2549 treesize of output 1985 [2022-11-25 18:34:36,891 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:34:36,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1973 treesize of output 1877 [2022-11-25 18:34:37,114 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_21 (Array Int Int)) (v_ArrVal_1038 (Array Int Int)) (v_ArrVal_1045 (Array Int Int)) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int)) (v_ArrVal_1065 Int) (v_ArrVal_1057 Int) (v_ArrVal_1048 Int) (v_ArrVal_1058 Int) (v_ArrVal_1049 Int)) (let ((.cse18 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse17 (let ((.cse19 (store |c_#memory_$Pointer$.base| v_ArrVal_1048 v_arrayElimArr_21))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 v_ArrVal_1048)))) (.cse15 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse14 (store (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_arrayElimArr_22) |c_ULTIMATE.start_main_~list~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_ArrVal_1045) |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 0))) (.cse13 (select (select .cse17 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse10 (store .cse14 .cse13 v_ArrVal_1061)) (.cse16 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse1 (store (store |c_#memory_int| v_ArrVal_1048 (store (store (store (select |c_#memory_int| v_ArrVal_1048) 0 v_ArrVal_1058) 4 v_ArrVal_1057) 8 v_ArrVal_1049)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1038)) (.cse9 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse12 (store .cse17 .cse13 v_ArrVal_1062))) (let ((.cse8 (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse11 (+ .cse9 4)) (.cse2 (select .cse1 .cse13)) (.cse3 (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse0 (store .cse1 .cse13 (store .cse2 .cse3 v_ArrVal_1060))) (.cse5 (select (select .cse12 .cse8) .cse11))) (let ((.cse6 (select .cse0 .cse5)) (.cse7 (select (select .cse10 .cse8) .cse11))) (let ((.cse4 (select .cse6 .cse7))) (or (not (= (select v_arrayElimArr_22 8) |c_ULTIMATE.start_main_~head~0#1.offset|)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= 0 (select |c_#valid| v_ArrVal_1048))) (not (= (select v_arrayElimArr_21 8) |c_ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3)) v_ArrVal_1060)) (< .cse4 101) (<= 91 (select (select (store .cse0 .cse5 (store .cse6 .cse7 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| (select v_arrayElimArr_21 4))) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse8) .cse9)))) (not (= |c_ULTIMATE.start_main_~m~0#1.offset| (select v_arrayElimArr_22 4))) (< 9 v_ArrVal_1058)))))))))))) is different from false [2022-11-25 18:34:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-25 18:34:37,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639373829] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:34:37,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:34:37,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2022-11-25 18:34:37,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172930595] [2022-11-25 18:34:37,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:34:37,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-25 18:34:37,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:37,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-25 18:34:37,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=500, Unknown=3, NotChecked=144, Total=756 [2022-11-25 18:34:37,736 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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) [2022-11-25 18:34:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:34:45,604 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-11-25 18:34:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 18:34:45,605 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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 [2022-11-25 18:34:45,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:34:45,606 INFO L225 Difference]: With dead ends: 78 [2022-11-25 18:34:45,606 INFO L226 Difference]: Without dead ends: 59 [2022-11-25 18:34:45,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=282, Invalid=1133, Unknown=3, NotChecked=222, Total=1640 [2022-11-25 18:34:45,607 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 74 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:34:45,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 142 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 231 Invalid, 0 Unknown, 99 Unchecked, 1.2s Time] [2022-11-25 18:34:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-25 18:34:45,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 44. [2022-11-25 18:34:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:34:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2022-11-25 18:34:45,621 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 19 [2022-11-25 18:34:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:45,622 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2022-11-25 18:34:45,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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) [2022-11-25 18:34:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-25 18:34:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 18:34:45,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:45,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:45,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:34:45,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 18:34:45,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:45,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1977905971, now seen corresponding path program 2 times [2022-11-25 18:34:45,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:45,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815933029] [2022-11-25 18:34:45,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:45,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:34:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:49,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815933029] [2022-11-25 18:34:49,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815933029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:34:49,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190570032] [2022-11-25 18:34:49,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:34:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:34:49,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:49,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:34:49,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86592f39-e5e1-4a3c-9fa3-33a1baccea5c/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 18:34:49,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:34:49,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:34:49,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-25 18:34:49,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:34:49,566 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 18:34:49,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 18:34:49,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:34:49,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 18:34:49,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-25 18:34:49,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-25 18:34:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:34:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-11-25 18:34:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,870 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 18:34:49,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2022-11-25 18:34:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:34:49,905 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 18:34:49,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-11-25 18:34:49,941 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-25 18:34:49,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 18:34:50,958 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-11-25 18:34:50,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 246 [2022-11-25 18:34:51,019 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2022-11-25 18:34:51,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 256 treesize of output 254 [2022-11-25 18:34:51,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 35 [2022-11-25 18:34:51,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:34:51,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 236 [2022-11-25 18:34:52,509 INFO L321 Elim1Store]: treesize reduction 107, result has 39.2 percent of original size [2022-11-25 18:34:52,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 372 treesize of output 384 [2022-11-25 18:34:52,839 INFO L321 Elim1Store]: treesize reduction 392, result has 33.6 percent of original size [2022-11-25 18:34:52,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 282 treesize of output 411 [2022-11-25 18:34:53,028 INFO L321 Elim1Store]: treesize reduction 159, result has 39.8 percent of original size [2022-11-25 18:34:53,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 370 treesize of output 415 [2022-11-25 18:37:28,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-25 18:37:49,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12474 treesize of output 12208 [2022-11-25 18:37:54,265 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:37:54,360 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:37:54,366 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:37:54,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-11-25 18:37:54,464 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:37:54,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 479 [2022-11-25 18:37:55,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:37:56,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:37:56,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:37:56,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 479 [2022-11-25 18:37:57,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:37:58,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 315 [2022-11-25 18:37:58,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 426 [2022-11-25 18:37:59,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1197 treesize of output 1137 [2022-11-25 18:38:00,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1062 treesize of output 1016 [2022-11-25 18:38:01,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 315 [2022-11-25 18:38:01,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 426 [2022-11-25 18:38:38,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-11-25 18:38:38,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:38:38,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 461 [2022-11-25 18:38:39,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:38:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:38:40,401 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:38:40,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-11-25 18:38:41,005 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:38:41,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:38:41,481 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:38:42,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:38:42,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 439 treesize of output 429 [2022-11-25 18:39:01,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 468 treesize of output 452 [2022-11-25 18:39:01,284 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:01,437 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,450 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,486 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:01,538 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,552 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,752 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,790 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,832 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:01,872 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,087 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,134 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,148 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,448 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,457 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,468 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,550 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,610 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:02,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 468 treesize of output 452 [2022-11-25 18:39:02,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2881 treesize of output 2837 [2022-11-25 18:39:03,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 851 treesize of output 839 [2022-11-25 18:39:03,220 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:03,230 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:03,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2829 treesize of output 2785 [2022-11-25 18:39:03,979 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:03,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 833 treesize of output 821 [2022-11-25 18:39:04,227 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,268 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,308 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 486 [2022-11-25 18:39:04,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 249 [2022-11-25 18:39:04,754 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,767 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,781 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,951 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,973 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:04,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 486 [2022-11-25 18:39:05,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 233 [2022-11-25 18:39:05,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 233 [2022-11-25 18:39:05,698 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,748 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:05,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 436 [2022-11-25 18:39:06,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:06,119 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:06,156 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:06,170 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:20,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12610 treesize of output 12414 [2022-11-25 18:39:23,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10154 treesize of output 9986 [2022-11-25 18:39:24,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:24,767 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:24,959 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:25,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:25,077 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:25,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:25,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:36,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7341 treesize of output 7249 [2022-11-25 18:39:37,975 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,240 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,299 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,374 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,466 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,501 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,514 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,589 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,610 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,720 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:38,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:40,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5918 treesize of output 5842 [2022-11-25 18:39:41,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:41,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 434 [2022-11-25 18:39:42,086 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,113 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,124 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,293 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:42,386 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,402 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,416 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,498 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,597 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,811 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,823 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:42,866 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,102 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,278 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,316 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,354 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,368 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:43,645 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,663 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,678 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,966 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:43,982 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,348 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 434 [2022-11-25 18:39:44,563 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:44,648 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,680 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:44,700 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,048 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:39:45,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 253 [2022-11-25 18:39:45,121 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,221 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,287 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,342 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,485 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:39:45,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 439 treesize of output 425 [2022-11-25 18:39:45,617 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:39:45,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 253 [2022-11-25 18:39:45,699 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,716 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:45,892 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:39:45,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 471 treesize of output 457 [2022-11-25 18:39:46,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:46,094 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:46,108 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:46,130 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,426 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:48,500 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,520 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,553 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-11-25 18:39:48,840 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,860 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,877 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:39:48,891 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 18:43:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:41,377 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:41,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:41,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:41,404 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:41,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:41,449 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:41,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:41,477 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:41,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:41,499 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:41,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-11-25 18:43:41,584 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:41,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-11-25 18:43:41,660 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:41,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 494 treesize of output 380 [2022-11-25 18:43:41,743 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:41,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-11-25 18:43:41,823 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:41,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-11-25 18:43:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:41,992 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:41,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,039 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,101 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,163 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,238 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,296 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,355 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,410 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,446 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:42,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-11-25 18:43:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,699 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,756 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,798 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,875 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:42,924 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:42,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:43,005 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:43,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:43,051 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:43,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:43,112 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:43,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:43,141 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:43,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 476 treesize of output 362 [2022-11-25 18:43:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:43,573 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:43,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-11-25 18:43:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:43:43,619 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 18:43:43,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-11-25 18:43:43,685 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-25 18:43:43,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-11-25 18:44:03,492 WARN L233 SmtUtils]: Spent 19.59s on a formula simplification that was a NOOP. DAG size: 2075 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 18:44:03,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:44:03,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 1 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 495 case distinctions, treesize of input 2412 treesize of output 6108