./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- 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-4e7fbc6 [2022-11-23 13:45:45,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:45:45,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:45:46,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:45:46,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:45:46,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:45:46,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:45:46,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:45:46,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:45:46,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:45:46,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:45:46,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:45:46,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:45:46,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:45:46,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:45:46,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:45:46,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:45:46,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:45:46,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:45:46,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:45:46,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:45:46,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:45:46,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:45:46,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:45:46,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:45:46,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:45:46,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:45:46,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:45:46,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:45:46,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:45:46,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:45:46,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:45:46,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:45:46,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:45:46,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:45:46,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:45:46,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:45:46,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:45:46,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:45:46,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:45:46,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:45:46,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 13:45:46,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:45:46,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:45:46,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:45:46,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:45:46,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:45:46,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:45:46,069 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:45:46,070 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:45:46,070 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:45:46,070 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:45:46,070 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:45:46,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:45:46,071 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:45:46,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:45:46,071 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:45:46,072 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:45:46,072 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:45:46,072 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:45:46,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:45:46,073 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:45:46,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:45:46,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:45:46,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:45:46,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:45:46,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:45:46,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:45:46,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:45:46,076 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:45:46,076 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:45:46,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:45:46,076 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:45:46,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:45:46,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:45:46,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:45:46,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:45:46,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:45:46,078 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:45:46,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:45:46,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:45:46,079 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:45:46,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:45:46,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:45:46,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:45:46,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2022-11-23 13:45:46,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:45:46,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:45:46,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:45:46,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:45:46,386 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:45:46,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-23 13:45:49,528 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:45:49,834 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:45:49,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-23 13:45:49,848 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/data/5e6ba82b9/52e9811f06c245808c25ad60dd067bbb/FLAG1d8e79697 [2022-11-23 13:45:49,861 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/data/5e6ba82b9/52e9811f06c245808c25ad60dd067bbb [2022-11-23 13:45:49,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:45:49,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:45:49,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:45:49,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:45:49,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:45:49,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:49" (1/1) ... [2022-11-23 13:45:49,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecaae41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49, skipping insertion in model container [2022-11-23 13:45:49,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:49" (1/1) ... [2022-11-23 13:45:49,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:45:49,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:45:50,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:45:50,243 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:45:50,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:45:50,342 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:45:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50 WrapperNode [2022-11-23 13:45:50,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:45:50,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:45:50,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:45:50,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:45:50,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,404 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-11-23 13:45:50,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:45:50,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:45:50,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:45:50,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:45:50,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:45:50,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:45:50,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:45:50,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:45:50,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (1/1) ... [2022-11-23 13:45:50,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:45:50,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:45:50,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:45:50,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:45:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:45:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:45:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:45:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:45:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:45:50,640 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:45:50,642 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:45:50,988 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:45:51,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:45:51,059 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 13:45:51,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:51 BoogieIcfgContainer [2022-11-23 13:45:51,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:45:51,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:45:51,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:45:51,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:45:51,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:45:49" (1/3) ... [2022-11-23 13:45:51,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e628f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:51, skipping insertion in model container [2022-11-23 13:45:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:50" (2/3) ... [2022-11-23 13:45:51,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e628f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:51, skipping insertion in model container [2022-11-23 13:45:51,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:51" (3/3) ... [2022-11-23 13:45:51,072 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0504_1.i [2022-11-23 13:45:51,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:45:51,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-23 13:45:51,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:45:51,165 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b6ba75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:45:51,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-23 13:45:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 28 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) [2022-11-23 13:45:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 13:45:51,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:51,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 13:45:51,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:51,188 INFO L85 PathProgramCache]: Analyzing trace with hash 4455034, now seen corresponding path program 1 times [2022-11-23 13:45:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:51,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057113366] [2022-11-23 13:45:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:51,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:51,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057113366] [2022-11-23 13:45:51,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057113366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:51,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:51,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:45:51,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42619473] [2022-11-23 13:45:51,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:51,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:45:51,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:45:51,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:45:51,464 INFO L87 Difference]: Start difference. First operand has 29 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 28 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-23 13:45:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:51,533 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2022-11-23 13:45:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:45:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-23 13:45:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:51,546 INFO L225 Difference]: With dead ends: 57 [2022-11-23 13:45:51,546 INFO L226 Difference]: Without dead ends: 28 [2022-11-23 13:45:51,550 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 [2022-11-23 13:45:51,556 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:51,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:45:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-23 13:45:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-23 13:45:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-23 13:45:51,594 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2022-11-23 13:45:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:51,595 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-23 13:45:51,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-23 13:45:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-23 13:45:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 13:45:51,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:51,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 13:45:51,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:45:51,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash 4501901, now seen corresponding path program 1 times [2022-11-23 13:45:51,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:51,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373576271] [2022-11-23 13:45:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:51,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:51,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373576271] [2022-11-23 13:45:51,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373576271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:51,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:51,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:45:51,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535154269] [2022-11-23 13:45:51,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:51,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:45:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:51,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:45:51,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:45:51,750 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 13:45:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:51,916 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-23 13:45:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:45:51,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-23 13:45:51,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:51,918 INFO L225 Difference]: With dead ends: 41 [2022-11-23 13:45:51,918 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 13:45:51,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:51,920 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:51,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:45:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 13:45:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-23 13:45:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 31 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) [2022-11-23 13:45:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-23 13:45:51,939 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 4 [2022-11-23 13:45:51,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:51,939 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-23 13:45:51,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 13:45:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-23 13:45:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 13:45:51,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:51,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 13:45:51,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:45:51,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:51,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash 31364772, now seen corresponding path program 1 times [2022-11-23 13:45:51,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:51,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402746156] [2022-11-23 13:45:51,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:51,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:52,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:52,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402746156] [2022-11-23 13:45:52,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402746156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:52,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:52,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:45:52,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597599369] [2022-11-23 13:45:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:52,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:45:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:52,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:45:52,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:52,131 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-23 13:45:52,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:52,351 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-11-23 13:45:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:45:52,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-11-23 13:45:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:52,354 INFO L225 Difference]: With dead ends: 53 [2022-11-23 13:45:52,354 INFO L226 Difference]: Without dead ends: 52 [2022-11-23 13:45:52,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:52,356 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:52,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:45:52,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-23 13:45:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2022-11-23 13:45:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.565217391304348) internal successors, (36), 32 states have internal predecessors, (36), 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) [2022-11-23 13:45:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-23 13:45:52,361 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 6 [2022-11-23 13:45:52,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:52,362 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-23 13:45:52,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-23 13:45:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-23 13:45:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:45:52,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:52,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:52,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:45:52,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash 972307995, now seen corresponding path program 1 times [2022-11-23 13:45:52,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:52,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581882248] [2022-11-23 13:45:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:52,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:52,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:52,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581882248] [2022-11-23 13:45:52,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581882248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:52,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:52,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:45:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764806313] [2022-11-23 13:45:52,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:52,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:45:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:52,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:45:52,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:52,469 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:52,611 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2022-11-23 13:45:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:45:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 13:45:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:52,613 INFO L225 Difference]: With dead ends: 57 [2022-11-23 13:45:52,613 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 13:45:52,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:52,614 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 26 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:52,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 50 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:45:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 13:45:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 34. [2022-11-23 13:45:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-23 13:45:52,620 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 7 [2022-11-23 13:45:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:52,620 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-23 13:45:52,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-23 13:45:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 13:45:52,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:52,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:52,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:45:52,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 768193994, now seen corresponding path program 1 times [2022-11-23 13:45:52,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:52,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424749602] [2022-11-23 13:45:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:52,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:52,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:52,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424749602] [2022-11-23 13:45:52,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424749602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:52,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:52,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:45:52,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861577687] [2022-11-23 13:45:52,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:52,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:45:52,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:52,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:45:52,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:45:52,699 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-23 13:45:52,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:52,780 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-23 13:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:45:52,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-23 13:45:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:52,781 INFO L225 Difference]: With dead ends: 41 [2022-11-23 13:45:52,781 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 13:45:52,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:52,783 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:52,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 44 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:45:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 13:45:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-11-23 13:45:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 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) [2022-11-23 13:45:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-11-23 13:45:52,788 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 10 [2022-11-23 13:45:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:52,788 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-11-23 13:45:52,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-23 13:45:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-23 13:45:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:45:52,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:52,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:52,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:45:52,789 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash -499941843, now seen corresponding path program 1 times [2022-11-23 13:45:52,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:52,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851259884] [2022-11-23 13:45:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:52,817 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:45:52,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656148032] [2022-11-23 13:45:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:45:52,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:45:52,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:45:52,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:45:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:52,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:45:52,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:45:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:53,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:45:53,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:53,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851259884] [2022-11-23 13:45:53,184 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:45:53,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656148032] [2022-11-23 13:45:53,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656148032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:53,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:53,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:53,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963445249] [2022-11-23 13:45:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:53,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 13:45:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 13:45:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:45:53,188 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:53,455 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-23 13:45:53,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 13:45:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 13:45:53,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:53,456 INFO L225 Difference]: With dead ends: 44 [2022-11-23 13:45:53,456 INFO L226 Difference]: Without dead ends: 40 [2022-11-23 13:45:53,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-23 13:45:53,458 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 32 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:53,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 31 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:45:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-23 13:45:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-11-23 13:45:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 33 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-23 13:45:53,466 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 12 [2022-11-23 13:45:53,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-23 13:45:53,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-23 13:45:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:45:53,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:53,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:53,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:45:53,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:45:53,671 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1681672145, now seen corresponding path program 1 times [2022-11-23 13:45:53,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:53,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148273903] [2022-11-23 13:45:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:53,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:45:53,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763249863] [2022-11-23 13:45:53,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:53,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:45:53,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:45:53,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:45:53,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:45:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:53,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 13:45:53,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:45:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:53,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:45:53,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:53,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148273903] [2022-11-23 13:45:53,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:45:53,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763249863] [2022-11-23 13:45:53,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763249863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:53,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:53,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674070201] [2022-11-23 13:45:53,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:53,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 13:45:53,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:53,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 13:45:53,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:45:53,952 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-23 13:45:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:54,233 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-11-23 13:45:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 13:45:54,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2022-11-23 13:45:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:54,235 INFO L225 Difference]: With dead ends: 58 [2022-11-23 13:45:54,235 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 13:45:54,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:45:54,236 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:54,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 57 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:45:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 13:45:54,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2022-11-23 13:45:54,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 39 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) [2022-11-23 13:45:54,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-23 13:45:54,244 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 13 [2022-11-23 13:45:54,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:54,244 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-23 13:45:54,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-23 13:45:54,245 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-23 13:45:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:45:54,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:54,246 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:54,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 13:45:54,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:45:54,453 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:54,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:54,453 INFO L85 PathProgramCache]: Analyzing trace with hash 607081005, now seen corresponding path program 1 times [2022-11-23 13:45:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:54,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308495037] [2022-11-23 13:45:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:45:54,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:54,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308495037] [2022-11-23 13:45:54,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308495037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:54,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:54,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:45:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466374883] [2022-11-23 13:45:54,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:54,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:45:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:45:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:45:54,558 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-23 13:45:54,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:54,608 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-23 13:45:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:45:54,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 [2022-11-23 13:45:54,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:54,613 INFO L225 Difference]: With dead ends: 40 [2022-11-23 13:45:54,613 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 13:45:54,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:45:54,614 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:54,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:45:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 13:45:54,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 13:45:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-23 13:45:54,622 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2022-11-23 13:45:54,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:54,622 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-23 13:45:54,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-23 13:45:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-23 13:45:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:45:54,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:54,624 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:54,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 13:45:54,625 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:54,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:54,625 INFO L85 PathProgramCache]: Analyzing trace with hash 607080847, now seen corresponding path program 1 times [2022-11-23 13:45:54,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:54,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721747977] [2022-11-23 13:45:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:54,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:54,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721747977] [2022-11-23 13:45:54,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721747977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:54,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:54,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:45:54,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174841332] [2022-11-23 13:45:54,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:54,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:45:54,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:54,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:45:54,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:45:54,714 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:54,786 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-11-23 13:45:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:45:54,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-23 13:45:54,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:54,787 INFO L225 Difference]: With dead ends: 43 [2022-11-23 13:45:54,787 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 13:45:54,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:54,788 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:54,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:45:54,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 13:45:54,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-11-23 13:45:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 37 states have internal predecessors, (43), 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) [2022-11-23 13:45:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-23 13:45:54,793 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2022-11-23 13:45:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:54,793 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-23 13:45:54,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:45:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-23 13:45:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 13:45:54,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:54,794 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:54,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 13:45:54,794 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1639642090, now seen corresponding path program 1 times [2022-11-23 13:45:54,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990609563] [2022-11-23 13:45:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:54,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:54,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990609563] [2022-11-23 13:45:54,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990609563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:54,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:54,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:45:54,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55166484] [2022-11-23 13:45:54,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:54,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:45:54,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:54,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:45:54,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:45:54,888 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-23 13:45:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:54,961 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-23 13:45:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:45:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2022-11-23 13:45:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:54,962 INFO L225 Difference]: With dead ends: 38 [2022-11-23 13:45:54,962 INFO L226 Difference]: Without dead ends: 33 [2022-11-23 13:45:54,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:45:54,963 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:54,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:45:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-23 13:45:54,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-23 13:45:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.2) internal successors, (36), 32 states have internal predecessors, (36), 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) [2022-11-23 13:45:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-23 13:45:54,967 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2022-11-23 13:45:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:54,968 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-23 13:45:54,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-23 13:45:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-23 13:45:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 13:45:54,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:54,968 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:54,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 13:45:54,969 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:45:54,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash -710746781, now seen corresponding path program 1 times [2022-11-23 13:45:54,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:54,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153590452] [2022-11-23 13:45:54,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:54,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:55,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:55,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153590452] [2022-11-23 13:45:55,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153590452] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:45:55,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655097714] [2022-11-23 13:45:55,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:55,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:45:55,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:45:55,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:45:55,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:45:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:55,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 13:45:55,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:45:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:55,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:45:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:55,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655097714] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:45:55,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1862707267] [2022-11-23 13:45:55,410 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-23 13:45:55,410 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:45:55,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:45:55,419 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:45:55,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:45:55,598 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:45:55,599 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 13:45:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,675 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 13:45:55,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-23 13:45:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:45:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:45:55,759 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:45:55,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 13:45:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:45:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:55,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:45:55,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:45:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:56,413 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-23 13:45:56,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 290 treesize of output 282 [2022-11-23 13:45:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:57,692 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-11-23 13:45:57,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 291 treesize of output 451 [2022-11-23 13:45:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:45:58,475 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-11-23 13:45:58,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 269 treesize of output 429 [2022-11-23 13:45:58,725 INFO L321 Elim1Store]: treesize reduction 70, result has 34.0 percent of original size [2022-11-23 13:45:58,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 232 treesize of output 255 [2022-11-23 13:45:58,847 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-23 13:45:58,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 257 treesize of output 249 [2022-11-23 13:45:58,919 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-23 13:45:58,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 233 [2022-11-23 13:45:59,007 INFO L321 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2022-11-23 13:45:59,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 251 treesize of output 247 [2022-11-23 13:45:59,084 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-23 13:45:59,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 247 [2022-11-23 13:47:14,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,418 INFO L321 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2022-11-23 13:47:14,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 271 treesize of output 268 [2022-11-23 13:47:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,478 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 13:47:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 309 treesize of output 314 [2022-11-23 13:47:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:14,527 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 13:47:14,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 309 treesize of output 314 [2022-11-23 13:47:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:14,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 87 [2022-11-23 13:47:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 87 [2022-11-23 13:47:15,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2022-11-23 13:47:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:15,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:47:15,353 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 12 treesize of output 9 [2022-11-23 13:47:15,362 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 6 treesize of output 5 [2022-11-23 13:47:15,390 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 15 treesize of output 11 [2022-11-23 13:47:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:15,635 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 13:47:15,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-11-23 13:47:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 30 [2022-11-23 13:47:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:15,765 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 13:47:15,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 66 [2022-11-23 13:47:15,899 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 6 treesize of output 5 [2022-11-23 13:47:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:47:15,928 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 12 treesize of output 9 [2022-11-23 13:47:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:15,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:16,000 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 15 treesize of output 11 [2022-11-23 13:47:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:16,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:16,204 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 13:47:16,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-11-23 13:47:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 24 [2022-11-23 13:47:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:16,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:16,313 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 13:47:16,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2022-11-23 13:47:16,417 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:47:17,499 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1229#(and (<= |ULTIMATE.start_main_~last~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 16 |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 16 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 20 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (<= |ULTIMATE.start_main_~c1~0#1| 2147483647) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= |#NULL.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= |ULTIMATE.start_main_~c2~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (< 2147483647 (* |ULTIMATE.start_main_~c1~0#1| 2)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (= |#NULL.base| 0))' at error location [2022-11-23 13:47:17,499 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 13:47:17,499 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 13:47:17,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-11-23 13:47:17,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153014734] [2022-11-23 13:47:17,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 13:47:17,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 13:47:17,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:47:17,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 13:47:17,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-11-23 13:47:17,501 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:47:17,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:47:17,781 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2022-11-23 13:47:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 13:47:17,782 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 13:47:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:47:17,782 INFO L225 Difference]: With dead ends: 87 [2022-11-23 13:47:17,782 INFO L226 Difference]: Without dead ends: 86 [2022-11-23 13:47:17,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-11-23 13:47:17,784 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 143 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:47:17,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 31 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:47:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-23 13:47:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2022-11-23 13:47:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 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) [2022-11-23 13:47:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-11-23 13:47:17,792 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 16 [2022-11-23 13:47:17,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:47:17,792 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-11-23 13:47:17,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:47:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-11-23 13:47:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:47:17,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:47:17,793 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:47:17,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 13:47:18,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 13:47:18,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:47:18,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:47:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash -628276609, now seen corresponding path program 1 times [2022-11-23 13:47:18,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:47:18,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328385385] [2022-11-23 13:47:18,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:47:18,037 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:47:18,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052593197] [2022-11-23 13:47:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:18,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:47:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:47:18,039 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:47:18,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:47:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:47:18,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:47:18,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:47:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:18,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:47:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:18,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:47:18,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328385385] [2022-11-23 13:47:18,284 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:47:18,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052593197] [2022-11-23 13:47:18,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052593197] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:47:18,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [719431367] [2022-11-23 13:47:18,288 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-23 13:47:18,289 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:47:18,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:47:18,290 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:47:18,290 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:47:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,406 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 13:47:18,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-23 13:47:18,441 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:47:18,442 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 13:47:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:18,499 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:47:18,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 13:47:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:18,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:47:18,706 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-23 13:47:18,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-23 13:47:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,788 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-23 13:47:18,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-23 13:47:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:18,832 INFO L321 Elim1Store]: treesize reduction 46, result has 16.4 percent of original size [2022-11-23 13:47:18,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 94 [2022-11-23 13:47:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-11-23 13:47:18,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 44 [2022-11-23 13:47:18,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 13:47:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:18,978 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-23 13:47:18,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 291 treesize of output 182 [2022-11-23 13:47:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:19,032 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-23 13:47:19,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 258 treesize of output 160 [2022-11-23 13:47:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 79 [2022-11-23 13:47:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 79 [2022-11-23 13:47:19,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2022-11-23 13:47:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:19,529 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-23 13:47:19,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 558 treesize of output 541 [2022-11-23 13:47:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:19,809 INFO L321 Elim1Store]: treesize reduction 262, result has 12.4 percent of original size [2022-11-23 13:47:19,809 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 582 treesize of output 541 [2022-11-23 13:47:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:19,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:20,069 INFO L321 Elim1Store]: treesize reduction 393, result has 15.8 percent of original size [2022-11-23 13:47:20,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 753 treesize of output 596 [2022-11-23 13:47:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:20,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:20,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:20,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:20,263 INFO L321 Elim1Store]: treesize reduction 392, result has 13.8 percent of original size [2022-11-23 13:47:20,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 577 treesize of output 492 [2022-11-23 13:47:20,419 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-11-23 13:47:20,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 468 treesize of output 484 [2022-11-23 13:47:20,489 INFO L321 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2022-11-23 13:47:20,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 463 treesize of output 468 [2022-11-23 13:47:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:20,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:20,536 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 13:47:20,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 476 treesize of output 455 [2022-11-23 13:47:21,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,104 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-11-23 13:47:21,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 540 treesize of output 480 [2022-11-23 13:47:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,208 INFO L321 Elim1Store]: treesize reduction 82, result has 25.5 percent of original size [2022-11-23 13:47:21,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 508 treesize of output 480 [2022-11-23 13:47:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,359 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-11-23 13:47:21,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 536 treesize of output 492 [2022-11-23 13:47:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,491 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-11-23 13:47:21,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 636 treesize of output 580 [2022-11-23 13:47:21,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:21,580 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-11-23 13:47:21,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 604 treesize of output 580 [2022-11-23 13:47:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:21,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:22,121 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:22,121 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:22,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:22,204 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:22,205 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:22,257 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-23 13:47:22,258 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-23 13:47:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:22,268 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 41 treesize of output 25 [2022-11-23 13:47:22,336 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 6 treesize of output 5 [2022-11-23 13:47:22,346 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 12 treesize of output 9 [2022-11-23 13:47:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:22,393 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 35 treesize of output 9 [2022-11-23 13:47:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:22,512 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-23 13:47:22,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 220 treesize of output 198 [2022-11-23 13:47:22,586 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-11-23 13:47:22,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 215 treesize of output 181 [2022-11-23 13:47:22,689 INFO L321 Elim1Store]: treesize reduction 131, result has 33.8 percent of original size [2022-11-23 13:47:22,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 218 treesize of output 225 [2022-11-23 13:47:24,091 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 12 treesize of output 9 [2022-11-23 13:47:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:24,294 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:47:24,295 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:47:24,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,435 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:47:24,435 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:47:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:24,502 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:24,502 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:47:24,564 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 6 treesize of output 5 [2022-11-23 13:47:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,612 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 35 treesize of output 9 [2022-11-23 13:47:24,676 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:47:24,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-23 13:47:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,747 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:47:24,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-23 13:47:24,866 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-11-23 13:47:24,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 233 [2022-11-23 13:47:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:24,950 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:47:24,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 221 treesize of output 184 [2022-11-23 13:47:26,204 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:47:27,244 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1543#(and (= |ULTIMATE.start_main_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~c2~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1.base|) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (<= |ULTIMATE.start_main_~first~0#1.base| 0) (<= |ULTIMATE.start_main_~y~0#1.base| 0) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (<= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= |ULTIMATE.start_main_~c1~0#1| 1) (<= 1 |ULTIMATE.start_main_~c1~0#1|) (= |ULTIMATE.start_main_~last~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~first~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (= |#NULL.base| 0))' at error location [2022-11-23 13:47:27,244 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 13:47:27,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 13:47:27,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-23 13:47:27,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714537769] [2022-11-23 13:47:27,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 13:47:27,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 13:47:27,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:47:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 13:47:27,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-11-23 13:47:27,246 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 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) [2022-11-23 13:47:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:47:27,461 INFO L93 Difference]: Finished difference Result 170 states and 215 transitions. [2022-11-23 13:47:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 13:47:27,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 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 17 [2022-11-23 13:47:27,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:47:27,464 INFO L225 Difference]: With dead ends: 170 [2022-11-23 13:47:27,464 INFO L226 Difference]: Without dead ends: 169 [2022-11-23 13:47:27,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2022-11-23 13:47:27,465 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 33 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 26 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 [2022-11-23 13:47:27,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 26 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:47:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-23 13:47:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 150. [2022-11-23 13:47:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.272108843537415) internal successors, (187), 149 states have internal predecessors, (187), 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) [2022-11-23 13:47:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 187 transitions. [2022-11-23 13:47:27,480 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 187 transitions. Word has length 17 [2022-11-23 13:47:27,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:47:27,480 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 187 transitions. [2022-11-23 13:47:27,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 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) [2022-11-23 13:47:27,481 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2022-11-23 13:47:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 13:47:27,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:47:27,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:47:27,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 13:47:27,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 13:47:27,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:47:27,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:47:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1816637703, now seen corresponding path program 1 times [2022-11-23 13:47:27,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:47:27,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048873701] [2022-11-23 13:47:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:47:27,713 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:47:27,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31037976] [2022-11-23 13:47:27,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:27,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:47:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:47:27,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:47:27,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 13:47:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:47:27,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:47:27,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:47:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:28,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:47:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:28,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:47:28,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048873701] [2022-11-23 13:47:28,511 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:47:28,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31037976] [2022-11-23 13:47:28,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31037976] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:47:28,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [951790430] [2022-11-23 13:47:28,513 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-23 13:47:28,513 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:47:28,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:47:28,514 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:47:28,514 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:47:28,592 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:47:28,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 13:47:28,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 13:47:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-23 13:47:28,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:28,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:28,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:47:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:28,964 INFO L321 Elim1Store]: treesize reduction 201, result has 18.0 percent of original size [2022-11-23 13:47:28,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 284 treesize of output 198 [2022-11-23 13:47:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:28,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,028 INFO L321 Elim1Store]: treesize reduction 81, result has 17.3 percent of original size [2022-11-23 13:47:29,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 176 treesize of output 94 [2022-11-23 13:47:29,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,086 INFO L321 Elim1Store]: treesize reduction 40, result has 45.2 percent of original size [2022-11-23 13:47:29,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 67 [2022-11-23 13:47:29,148 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-23 13:47:29,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-23 13:47:29,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 13:47:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,234 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-23 13:47:29,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 320 treesize of output 191 [2022-11-23 13:47:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,282 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-23 13:47:29,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 258 treesize of output 160 [2022-11-23 13:47:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 75 [2022-11-23 13:47:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2022-11-23 13:47:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2022-11-23 13:47:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:29,992 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-11-23 13:47:29,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 768 treesize of output 614 [2022-11-23 13:47:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,112 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-23 13:47:30,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 497 [2022-11-23 13:47:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,290 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-11-23 13:47:30,291 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 538 treesize of output 497 [2022-11-23 13:47:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,342 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 13:47:30,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 518 treesize of output 497 [2022-11-23 13:47:30,504 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-11-23 13:47:30,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 510 treesize of output 530 [2022-11-23 13:47:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:30,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:30,615 INFO L321 Elim1Store]: treesize reduction 264, result has 15.7 percent of original size [2022-11-23 13:47:30,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 604 treesize of output 519 [2022-11-23 13:47:30,676 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-11-23 13:47:30,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 503 treesize of output 508 [2022-11-23 13:47:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,170 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-23 13:47:31,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 823 treesize of output 585 [2022-11-23 13:47:31,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,245 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-11-23 13:47:31,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 544 treesize of output 492 [2022-11-23 13:47:31,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,357 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-11-23 13:47:31,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 734 treesize of output 549 [2022-11-23 13:47:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,428 INFO L321 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2022-11-23 13:47:31,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 583 treesize of output 535 [2022-11-23 13:47:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:31,494 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-11-23 13:47:31,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 555 treesize of output 535 [2022-11-23 13:47:31,812 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 12 treesize of output 9 [2022-11-23 13:47:31,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:31,972 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:31,973 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,055 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:32,055 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:32,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,119 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:47:32,119 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:47:32,147 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 6 treesize of output 5 [2022-11-23 13:47:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,195 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 35 treesize of output 9 [2022-11-23 13:47:32,269 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:47:32,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-23 13:47:32,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,337 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:47:32,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-23 13:47:32,462 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-11-23 13:47:32,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 233 [2022-11-23 13:47:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:32,550 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:47:32,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 221 treesize of output 184 [2022-11-23 13:47:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,181 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:33,182 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,269 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:33,270 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:33,308 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-23 13:47:33,309 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-23 13:47:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,318 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 41 treesize of output 25 [2022-11-23 13:47:33,346 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 6 treesize of output 5 [2022-11-23 13:47:33,355 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 12 treesize of output 9 [2022-11-23 13:47:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,412 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 35 treesize of output 9 [2022-11-23 13:47:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:33,534 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-23 13:47:33,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 223 treesize of output 197 [2022-11-23 13:47:33,615 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-23 13:47:33,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 222 treesize of output 185 [2022-11-23 13:47:33,726 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-11-23 13:47:33,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 225 treesize of output 229 [2022-11-23 13:47:34,856 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:47:35,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [951790430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:47:35,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 13:47:35,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 21 [2022-11-23 13:47:35,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315273763] [2022-11-23 13:47:35,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:47:35,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 13:47:35,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:47:35,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 13:47:35,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2022-11-23 13:47:35,800 INFO L87 Difference]: Start difference. First operand 150 states and 187 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:47:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:47:36,595 INFO L93 Difference]: Finished difference Result 153 states and 188 transitions. [2022-11-23 13:47:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 13:47:36,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 13:47:36,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:47:36,596 INFO L225 Difference]: With dead ends: 153 [2022-11-23 13:47:36,596 INFO L226 Difference]: Without dead ends: 152 [2022-11-23 13:47:36,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2022-11-23 13:47:36,597 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 15 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:47:36,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:47:36,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-23 13:47:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2022-11-23 13:47:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.251700680272109) internal successors, (184), 149 states have internal predecessors, (184), 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) [2022-11-23 13:47:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 184 transitions. [2022-11-23 13:47:36,609 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 184 transitions. Word has length 19 [2022-11-23 13:47:36,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:47:36,609 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 184 transitions. [2022-11-23 13:47:36,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:47:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2022-11-23 13:47:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 13:47:36,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:47:36,610 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:47:36,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-23 13:47:36,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:47:36,817 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:47:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:47:36,818 INFO L85 PathProgramCache]: Analyzing trace with hash -453488359, now seen corresponding path program 1 times [2022-11-23 13:47:36,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:47:36,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769337672] [2022-11-23 13:47:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:36,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:47:36,858 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:47:36,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138060796] [2022-11-23 13:47:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:47:36,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:47:36,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:47:36,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 13:47:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:47:37,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 13:47:37,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:47:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:37,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:47:37,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:47:37,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769337672] [2022-11-23 13:47:37,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:47:37,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138060796] [2022-11-23 13:47:37,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138060796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:47:37,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:47:37,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:47:37,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129001100] [2022-11-23 13:47:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:47:37,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:47:37,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:47:37,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:47:37,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:47:37,115 INFO L87 Difference]: Start difference. First operand 150 states and 184 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2022-11-23 13:47:37,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:47:37,261 INFO L93 Difference]: Finished difference Result 175 states and 208 transitions. [2022-11-23 13:47:37,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:47:37,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-23 13:47:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:47:37,263 INFO L225 Difference]: With dead ends: 175 [2022-11-23 13:47:37,263 INFO L226 Difference]: Without dead ends: 174 [2022-11-23 13:47:37,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:47:37,264 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:47:37,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 19 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:47:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-23 13:47:37,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 150. [2022-11-23 13:47:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.2312925170068028) internal successors, (181), 149 states have internal predecessors, (181), 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) [2022-11-23 13:47:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 181 transitions. [2022-11-23 13:47:37,275 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 181 transitions. Word has length 22 [2022-11-23 13:47:37,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:47:37,276 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 181 transitions. [2022-11-23 13:47:37,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2022-11-23 13:47:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2022-11-23 13:47:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 13:47:37,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:47:37,277 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 13:47:37,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 13:47:37,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 13:47:37,483 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:47:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:47:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1759093839, now seen corresponding path program 1 times [2022-11-23 13:47:37,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:47:37,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246432134] [2022-11-23 13:47:37,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:37,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:47:37,515 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:47:37,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827850989] [2022-11-23 13:47:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:47:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:47:37,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:47:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 13:47:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:47:37,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 13:47:37,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:47:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:37,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:47:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:47:40,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:47:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246432134] [2022-11-23 13:47:40,724 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:47:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827850989] [2022-11-23 13:47:40,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827850989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:47:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1847517912] [2022-11-23 13:47:40,726 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-23 13:47:40,726 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:47:40,727 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:47:40,727 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:47:40,727 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:47:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,819 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 13:47:40,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-23 13:47:40,853 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:47:40,854 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 13:47:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:40,909 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:47:40,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 13:47:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:40,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:40,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:47:41,109 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-23 13:47:41,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 42 [2022-11-23 13:47:41,164 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-23 13:47:41,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-23 13:47:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,281 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-23 13:47:41,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-23 13:47:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,331 INFO L321 Elim1Store]: treesize reduction 54, result has 14.3 percent of original size [2022-11-23 13:47:41,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 106 [2022-11-23 13:47:41,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 59 [2022-11-23 13:47:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,436 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-23 13:47:41,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 328 treesize of output 199 [2022-11-23 13:47:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,483 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-23 13:47:41,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 262 treesize of output 164 [2022-11-23 13:47:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,515 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-23 13:47:41,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 78 [2022-11-23 13:47:41,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,541 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-11-23 13:47:41,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 78 [2022-11-23 13:47:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2022-11-23 13:47:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,259 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-11-23 13:47:42,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 768 treesize of output 614 [2022-11-23 13:47:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,391 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-23 13:47:42,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 497 [2022-11-23 13:47:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,547 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-11-23 13:47:42,548 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 538 treesize of output 497 [2022-11-23 13:47:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,602 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 13:47:42,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 518 treesize of output 497 [2022-11-23 13:47:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:42,763 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-11-23 13:47:42,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 604 treesize of output 519 [2022-11-23 13:47:42,903 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-11-23 13:47:42,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 508 treesize of output 528 [2022-11-23 13:47:42,967 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-11-23 13:47:42,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 503 treesize of output 508 [2022-11-23 13:47:43,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,610 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-11-23 13:47:43,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1037 treesize of output 933 [2022-11-23 13:47:43,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,822 INFO L321 Elim1Store]: treesize reduction 502, result has 11.2 percent of original size [2022-11-23 13:47:43,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 36 case distinctions, treesize of input 1391 treesize of output 1076 [2022-11-23 13:47:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:43,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:43,959 INFO L321 Elim1Store]: treesize reduction 232, result has 12.8 percent of original size [2022-11-23 13:47:43,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 1320 treesize of output 1039 [2022-11-23 13:47:44,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:44,111 INFO L321 Elim1Store]: treesize reduction 504, result has 10.2 percent of original size [2022-11-23 13:47:44,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 24 case distinctions, treesize of input 1276 treesize of output 1062 [2022-11-23 13:47:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:44,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:44,196 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-11-23 13:47:44,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1068 treesize of output 986 [2022-11-23 13:47:44,748 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 6 treesize of output 5 [2022-11-23 13:47:44,754 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 12 treesize of output 9 [2022-11-23 13:47:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:44,950 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:47:44,950 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:47:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,051 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:47:45,051 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:47:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,119 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:45,120 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:47:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,174 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 35 treesize of output 9 [2022-11-23 13:47:45,234 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:47:45,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-23 13:47:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,327 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:47:45,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-23 13:47:45,432 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-11-23 13:47:45,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 229 [2022-11-23 13:47:45,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:45,519 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:47:45,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 209 treesize of output 176 [2022-11-23 13:47:46,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,372 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:46,372 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,460 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:46,460 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,531 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:47:46,531 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:47:46,554 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 6 treesize of output 5 [2022-11-23 13:47:46,563 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 12 treesize of output 9 [2022-11-23 13:47:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,612 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 35 treesize of output 9 [2022-11-23 13:47:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:46,750 INFO L321 Elim1Store]: treesize reduction 172, result has 28.9 percent of original size [2022-11-23 13:47:46,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 211 treesize of output 203 [2022-11-23 13:47:46,846 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-23 13:47:46,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 236 treesize of output 179 [2022-11-23 13:47:46,953 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-11-23 13:47:46,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 243 treesize of output 226 [2022-11-23 13:47:48,495 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 12 treesize of output 9 [2022-11-23 13:47:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:48,509 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 6 treesize of output 5 [2022-11-23 13:47:48,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:47:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:47:48,558 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 15 treesize of output 11 [2022-11-23 13:47:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:48,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-23 13:47:48,657 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 13:47:48,657 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 13:47:48,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,729 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-23 13:47:48,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-23 13:47:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:48,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:48,769 INFO L321 Elim1Store]: treesize reduction 50, result has 20.6 percent of original size [2022-11-23 13:47:48,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 110 [2022-11-23 13:47:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,792 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 39 [2022-11-23 13:47:48,808 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 12 treesize of output 14 [2022-11-23 13:47:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 24 [2022-11-23 13:47:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:48,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,893 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 13:47:48,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 94 [2022-11-23 13:47:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,922 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-23 13:47:48,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 91 [2022-11-23 13:47:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:48,955 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-11-23 13:47:48,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 91 [2022-11-23 13:47:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,466 INFO L321 Elim1Store]: treesize reduction 373, result has 16.6 percent of original size [2022-11-23 13:47:49,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 646 treesize of output 506 [2022-11-23 13:47:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,521 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 13:47:49,522 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 392 treesize of output 377 [2022-11-23 13:47:49,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,607 INFO L321 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2022-11-23 13:47:49,607 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 3 case distinctions, treesize of input 416 treesize of output 377 [2022-11-23 13:47:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,655 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 13:47:49,655 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 396 treesize of output 377 [2022-11-23 13:47:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:49,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:49,807 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-11-23 13:47:49,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 499 treesize of output 410 [2022-11-23 13:47:49,866 INFO L321 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2022-11-23 13:47:49,866 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 3 case distinctions, treesize of input 381 treesize of output 384 [2022-11-23 13:47:49,915 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-23 13:47:49,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 386 treesize of output 387 [2022-11-23 13:47:50,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,217 INFO L321 Elim1Store]: treesize reduction 62, result has 25.3 percent of original size [2022-11-23 13:47:50,218 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 3 case distinctions, treesize of input 374 treesize of output 348 [2022-11-23 13:47:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,347 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-11-23 13:47:50,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 406 treesize of output 358 [2022-11-23 13:47:50,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,505 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-11-23 13:47:50,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 402 treesize of output 370 [2022-11-23 13:47:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:50,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,632 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-11-23 13:47:50,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 482 treesize of output 426 [2022-11-23 13:47:50,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:50,753 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-11-23 13:47:50,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 450 treesize of output 426 [2022-11-23 13:47:51,027 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 12 treesize of output 9 [2022-11-23 13:47:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,184 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:47:51,184 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:47:51,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,263 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:47:51,263 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:47:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,327 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:51,328 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:47:51,358 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 6 treesize of output 5 [2022-11-23 13:47:51,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,411 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 35 treesize of output 9 [2022-11-23 13:47:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:51,555 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-23 13:47:51,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 223 treesize of output 197 [2022-11-23 13:47:51,639 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-23 13:47:51,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 222 treesize of output 185 [2022-11-23 13:47:51,766 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-11-23 13:47:51,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 225 treesize of output 229 [2022-11-23 13:47:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:52,898 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:52,899 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:52,985 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:52,985 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:53,022 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-23 13:47:53,022 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-23 13:47:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:53,031 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 41 treesize of output 25 [2022-11-23 13:47:53,063 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 6 treesize of output 5 [2022-11-23 13:47:53,071 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 12 treesize of output 9 [2022-11-23 13:47:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:53,105 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 35 treesize of output 9 [2022-11-23 13:47:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:53,229 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:47:53,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 166 [2022-11-23 13:47:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:53,373 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-11-23 13:47:53,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 203 [2022-11-23 13:47:53,469 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-23 13:47:53,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 254 treesize of output 189 [2022-11-23 13:47:53,636 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-11-23 13:47:53,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 261 treesize of output 236 [2022-11-23 13:47:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:56,940 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 39 treesize of output 9 [2022-11-23 13:47:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:56,953 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 33 treesize of output 19 [2022-11-23 13:47:56,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:56,964 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 33 treesize of output 19 [2022-11-23 13:47:57,097 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 6 treesize of output 5 [2022-11-23 13:47:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,146 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-23 13:47:57,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 160 [2022-11-23 13:47:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,192 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-23 13:47:57,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 147 [2022-11-23 13:47:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:47:57,427 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 12 treesize of output 9 [2022-11-23 13:47:57,469 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 15 treesize of output 11 [2022-11-23 13:47:57,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,498 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-23 13:47:57,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 259 [2022-11-23 13:47:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,531 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-23 13:47:57,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 269 treesize of output 264 [2022-11-23 13:47:57,768 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 13:47:57,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 13:47:57,795 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 13:47:57,796 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 13:47:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,874 INFO L321 Elim1Store]: treesize reduction 70, result has 11.4 percent of original size [2022-11-23 13:47:57,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 468 treesize of output 363 [2022-11-23 13:47:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:57,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:57,976 INFO L321 Elim1Store]: treesize reduction 187, result has 19.0 percent of original size [2022-11-23 13:47:57,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 363 treesize of output 291 [2022-11-23 13:47:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,033 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 39 [2022-11-23 13:47:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,120 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 13:47:58,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 492 treesize of output 372 [2022-11-23 13:47:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,170 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 13:47:58,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 447 treesize of output 350 [2022-11-23 13:47:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 30 [2022-11-23 13:47:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,226 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2022-11-23 13:47:58,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 286 treesize of output 272 [2022-11-23 13:47:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:47:58,271 INFO L321 Elim1Store]: treesize reduction 93, result has 7.0 percent of original size [2022-11-23 13:47:58,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 264 treesize of output 272 [2022-11-23 13:47:58,474 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 12 treesize of output 9 [2022-11-23 13:47:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,604 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:47:58,604 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:47:58,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,687 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:47:58,687 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:47:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:58,755 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:47:58,756 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:47:58,785 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 13:47:58,824 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 35 treesize of output 9 [2022-11-23 13:47:58,983 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-11-23 13:47:58,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 227 treesize of output 217 [2022-11-23 13:47:59,315 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-11-23 13:47:59,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 242 treesize of output 260 [2022-11-23 13:47:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:59,428 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-23 13:47:59,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 239 treesize of output 174 [2022-11-23 13:47:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:59,586 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-11-23 13:47:59,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 250 treesize of output 201 [2022-11-23 13:48:00,310 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 12 treesize of output 9 [2022-11-23 13:48:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:00,436 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:48:00,436 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:48:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:00,519 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:48:00,520 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:48:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:00,579 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:48:00,579 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:48:00,601 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 6 treesize of output 5 [2022-11-23 13:48:00,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:00,650 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 35 treesize of output 9 [2022-11-23 13:48:00,806 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:48:00,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-23 13:48:01,066 INFO L321 Elim1Store]: treesize reduction 119, result has 39.9 percent of original size [2022-11-23 13:48:01,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 195 treesize of output 223 [2022-11-23 13:48:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,154 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-23 13:48:01,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 162 [2022-11-23 13:48:01,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,235 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:48:01,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 181 [2022-11-23 13:48:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,943 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 33 treesize of output 19 [2022-11-23 13:48:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,963 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 63 treesize of output 15 [2022-11-23 13:48:01,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:01,974 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 57 treesize of output 25 [2022-11-23 13:48:02,045 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 12 treesize of output 9 [2022-11-23 13:48:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:02,190 INFO L321 Elim1Store]: treesize reduction 230, result has 32.0 percent of original size [2022-11-23 13:48:02,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 217 [2022-11-23 13:48:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:02,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:02,300 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-11-23 13:48:02,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 215 [2022-11-23 13:48:05,490 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 6 treesize of output 5 [2022-11-23 13:48:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:05,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:48:05,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:48:05,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:48:05,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 13:48:05,931 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 12 treesize of output 9 [2022-11-23 13:48:05,937 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 6 treesize of output 5 [2022-11-23 13:48:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:05,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:06,152 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:48:06,152 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:48:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,297 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-11-23 13:48:06,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 91 [2022-11-23 13:48:06,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:06,371 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:48:06,371 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 185 [2022-11-23 13:48:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:06,510 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-23 13:48:06,511 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 1 case distinctions, treesize of input 351 treesize of output 320 [2022-11-23 13:48:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:06,676 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:48:06,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 320 treesize of output 255 [2022-11-23 13:48:06,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:06,934 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-11-23 13:48:06,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 335 treesize of output 292 [2022-11-23 13:48:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:06,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:07,050 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-11-23 13:48:07,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 347 treesize of output 273 [2022-11-23 13:48:07,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:07,156 INFO L321 Elim1Store]: treesize reduction 132, result has 33.3 percent of original size [2022-11-23 13:48:07,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 354 treesize of output 316 [2022-11-23 13:48:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:16,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:16,824 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:48:16,824 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:48:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:16,916 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:48:16,917 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:48:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:16,999 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:48:16,999 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:48:17,027 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 13:48:17,035 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 12 treesize of output 9 [2022-11-23 13:48:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:17,081 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 35 treesize of output 9 [2022-11-23 13:48:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:17,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:17,252 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:48:17,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 184 treesize of output 175 [2022-11-23 13:48:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:17,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:17,410 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:48:17,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 203 treesize of output 178 [2022-11-23 13:48:17,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:17,649 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-11-23 13:48:17,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 233 [2022-11-23 13:48:17,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:17,799 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:48:17,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 213 treesize of output 180 [2022-11-23 13:48:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:19,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:19,607 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:48:19,607 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:48:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:19,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:19,697 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:48:19,697 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:48:19,736 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-23 13:48:19,737 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-23 13:48:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:19,745 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 41 treesize of output 25 [2022-11-23 13:48:19,775 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 6 treesize of output 5 [2022-11-23 13:48:19,783 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 12 treesize of output 9 [2022-11-23 13:48:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:19,829 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 35 treesize of output 9 [2022-11-23 13:48:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:19,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:20,023 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:48:20,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 182 [2022-11-23 13:48:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:20,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:20,177 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:48:20,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 238 treesize of output 217 [2022-11-23 13:48:20,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:20,289 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-11-23 13:48:20,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 253 treesize of output 265 [2022-11-23 13:48:20,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:20,446 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:48:20,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 239 treesize of output 194 [2022-11-23 13:48:21,086 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 13:48:21,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-23 13:48:21,122 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-23 13:48:21,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 31 [2022-11-23 13:48:21,156 INFO L321 Elim1Store]: treesize reduction 33, result has 48.4 percent of original size [2022-11-23 13:48:21,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2022-11-23 13:48:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:21,407 INFO L321 Elim1Store]: treesize reduction 218, result has 32.7 percent of original size [2022-11-23 13:48:21,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 157 treesize of output 233 [2022-11-23 13:48:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:21,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:21,527 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-11-23 13:48:21,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 235 [2022-11-23 13:48:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-23 13:48:23,422 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 6 treesize of output 5 [2022-11-23 13:48:23,441 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 12 treesize of output 9 [2022-11-23 13:48:23,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:48:23,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 13:48:23,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:48:23,708 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 12 treesize of output 9 [2022-11-23 13:48:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:23,891 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:48:23,892 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:48:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:23,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,034 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-11-23 13:48:24,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 91 [2022-11-23 13:48:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,107 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:48:24,107 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 185 [2022-11-23 13:48:24,165 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 6 treesize of output 5 [2022-11-23 13:48:24,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,312 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-23 13:48:24,313 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 1 case distinctions, treesize of input 399 treesize of output 368 [2022-11-23 13:48:24,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,563 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-11-23 13:48:24,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 368 treesize of output 315 [2022-11-23 13:48:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,890 INFO L321 Elim1Store]: treesize reduction 201, result has 23.3 percent of original size [2022-11-23 13:48:24,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 386 treesize of output 333 [2022-11-23 13:48:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:24,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:24,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:25,090 INFO L321 Elim1Store]: treesize reduction 166, result has 19.0 percent of original size [2022-11-23 13:48:25,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 399 treesize of output 322 [2022-11-23 13:48:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:48:25,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:48:25,289 INFO L321 Elim1Store]: treesize reduction 137, result has 34.1 percent of original size [2022-11-23 13:48:25,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 427 treesize of output 373 [2022-11-23 13:49:21,451 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 6 treesize of output 5 [2022-11-23 13:49:21,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:21,639 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:49:21,640 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:49:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,728 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:49:21,728 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:49:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:21,793 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:49:21,793 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:49:21,826 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 12 treesize of output 9 [2022-11-23 13:49:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,872 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 35 treesize of output 9 [2022-11-23 13:49:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:21,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:22,056 INFO L321 Elim1Store]: treesize reduction 225, result has 24.5 percent of original size [2022-11-23 13:49:22,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 231 treesize of output 222 [2022-11-23 13:49:22,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:22,184 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-23 13:49:22,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 260 treesize of output 199 [2022-11-23 13:49:22,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:22,354 INFO L321 Elim1Store]: treesize reduction 112, result has 37.1 percent of original size [2022-11-23 13:49:22,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 267 treesize of output 242 [2022-11-23 13:49:24,642 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 6 treesize of output 5 [2022-11-23 13:49:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:24,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:24,780 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:49:24,780 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:49:24,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:24,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:24,873 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:49:24,873 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:49:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:24,938 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:49:24,938 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:49:24,962 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 12 treesize of output 9 [2022-11-23 13:49:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:25,004 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 35 treesize of output 9 [2022-11-23 13:49:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:25,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:25,185 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-23 13:49:25,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 184 treesize of output 163 [2022-11-23 13:49:25,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:25,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:25,340 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:49:25,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 203 treesize of output 190 [2022-11-23 13:49:25,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:25,592 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-11-23 13:49:25,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 238 [2022-11-23 13:49:25,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:25,728 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:49:25,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 210 treesize of output 177 [2022-11-23 13:49:26,745 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 13:49:26,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-23 13:49:26,769 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 13:49:26,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-23 13:49:26,804 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-23 13:49:26,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 31 [2022-11-23 13:49:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:49:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:26,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-23 13:49:27,134 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-23 13:49:27,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 157 [2022-11-23 13:49:27,264 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 13:49:27,265 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 2 case distinctions, treesize of input 118 treesize of output 131 [2022-11-23 13:49:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-11-23 13:49:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-11-23 13:49:27,350 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-23 13:49:27,350 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 123 treesize of output 118 [2022-11-23 13:49:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 121 [2022-11-23 13:49:27,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 13:49:27,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:49:27,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 13:49:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:27,948 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:49:27,949 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:49:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,044 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:49:28,044 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:49:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,109 INFO L321 Elim1Store]: treesize reduction 66, result has 40.5 percent of original size [2022-11-23 13:49:28,110 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 2 case distinctions, treesize of input 59 treesize of output 50 [2022-11-23 13:49:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,126 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:49:28,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 53 [2022-11-23 13:49:28,186 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 12 treesize of output 9 [2022-11-23 13:49:28,196 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 6 treesize of output 5 [2022-11-23 13:49:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:28,274 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-23 13:49:28,274 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 1 case distinctions, treesize of input 339 treesize of output 308 [2022-11-23 13:49:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:28,383 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-11-23 13:49:28,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 308 treesize of output 271 [2022-11-23 13:49:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:49:28,479 INFO L321 Elim1Store]: treesize reduction 170, result has 21.7 percent of original size [2022-11-23 13:49:28,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 323 treesize of output 302 [2022-11-23 13:49:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,638 INFO L321 Elim1Store]: treesize reduction 185, result has 29.4 percent of original size [2022-11-23 13:49:28,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 348 treesize of output 323 [2022-11-23 13:49:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:49:28,758 INFO L321 Elim1Store]: treesize reduction 142, result has 31.7 percent of original size [2022-11-23 13:49:28,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 379 treesize of output 320 [2022-11-23 13:50:31,921 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 6 treesize of output 5 [2022-11-23 13:50:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:31,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:50:32,054 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:50:32,054 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-23 13:50:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:50:32,142 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-23 13:50:32,142 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-23 13:50:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,204 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-23 13:50:32,204 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 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-23 13:50:32,237 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 12 treesize of output 9 [2022-11-23 13:50:32,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,292 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 35 treesize of output 9 [2022-11-23 13:50:32,413 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-11-23 13:50:32,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 228 treesize of output 210 [2022-11-23 13:50:32,542 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-11-23 13:50:32,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 243 treesize of output 253 [2022-11-23 13:50:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,610 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-23 13:50:32,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 236 treesize of output 179 [2022-11-23 13:50:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:32,698 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-23 13:50:32,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 247 treesize of output 198 [2022-11-23 13:50:33,666 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 6 treesize of output 5 [2022-11-23 13:50:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:33,811 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-23 13:50:33,812 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-23 13:50:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:33,899 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-23 13:50:33,899 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 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-23 13:50:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:33,963 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-23 13:50:33,963 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-23 13:50:34,002 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 12 treesize of output 9 [2022-11-23 13:50:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:50:34,060 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 35 treesize of output 9 [2022-11-23 13:50:34,183 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-23 13:50:34,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 190 [2022-11-23 13:50:34,331 INFO L321 Elim1Store]: treesize reduction 120, result has 39.4 percent of original size [2022-11-23 13:50:34,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 241 [2022-11-23 13:50:34,403 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-23 13:50:34,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 223 treesize of output 166 [2022-11-23 13:50:34,508 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-11-23 13:50:34,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 234 treesize of output 193 [2022-11-23 13:50:36,611 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:50:39,730 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3053#(and (<= |ULTIMATE.start_main_~last~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (or (and (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.base|)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|))) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (and (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4) |ULTIMATE.start_main_~y~0#1.offset|))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ |ULTIMATE.start_main_~y~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~y~0#1.base| |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (<= |ULTIMATE.start_main_~c1~0#1| 6) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ |ULTIMATE.start_main_~y~0#1.offset| 4))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= |#NULL.offset| 0) (< 2147483647 (* |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~c2~0#1|)) (<= 0 |ULTIMATE.start_main_~last~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 1 |ULTIMATE.start_main_~c2~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (<= |ULTIMATE.start_main_~c2~0#1| 2147483647))' at error location [2022-11-23 13:50:39,731 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 13:50:39,731 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 13:50:39,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2022-11-23 13:50:39,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304142784] [2022-11-23 13:50:39,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 13:50:39,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 13:50:39,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:39,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 13:50:39,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=796, Unknown=1, NotChecked=0, Total=930 [2022-11-23 13:50:39,734 INFO L87 Difference]: Start difference. First operand 150 states and 181 transitions. Second operand has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:50:53,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:53,747 INFO L93 Difference]: Finished difference Result 198 states and 228 transitions. [2022-11-23 13:50:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-23 13:50:53,747 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-23 13:50:53,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:53,749 INFO L225 Difference]: With dead ends: 198 [2022-11-23 13:50:53,749 INFO L226 Difference]: Without dead ends: 197 [2022-11-23 13:50:53,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 47 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=740, Invalid=3165, Unknown=1, NotChecked=0, Total=3906 [2022-11-23 13:50:53,751 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 287 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:53,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 62 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 13:50:53,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-23 13:50:53,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2022-11-23 13:50:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 161 states have (on average 1.204968944099379) internal successors, (194), 163 states have internal predecessors, (194), 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) [2022-11-23 13:50:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions. [2022-11-23 13:50:53,764 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 28 [2022-11-23 13:50:53,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:53,764 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions. [2022-11-23 13:50:53,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:50:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2022-11-23 13:50:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 13:50:53,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:53,766 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:50:53,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-23 13:50:53,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 13:50:53,973 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:50:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash -578995295, now seen corresponding path program 2 times [2022-11-23 13:50:53,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:53,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479566576] [2022-11-23 13:50:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:53,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:54,016 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:50:54,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420559649] [2022-11-23 13:50:54,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 13:50:54,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:50:54,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:50:54,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:50:54,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 13:50:54,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-23 13:50:54,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 13:50:54,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:50:54,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:50:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 13:50:54,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:50:54,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:54,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479566576] [2022-11-23 13:50:54,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:50:54,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420559649] [2022-11-23 13:50:54,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420559649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:54,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:54,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:50:54,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253900138] [2022-11-23 13:50:54,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:54,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:50:54,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:54,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:50:54,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:50:54,289 INFO L87 Difference]: Start difference. First operand 164 states and 194 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-23 13:50:54,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:54,366 INFO L93 Difference]: Finished difference Result 164 states and 194 transitions. [2022-11-23 13:50:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:50:54,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-23 13:50:54,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:54,370 INFO L225 Difference]: With dead ends: 164 [2022-11-23 13:50:54,371 INFO L226 Difference]: Without dead ends: 163 [2022-11-23 13:50:54,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:50:54,372 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:54,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:50:54,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-23 13:50:54,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 109. [2022-11-23 13:50:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.1495327102803738) internal successors, (123), 108 states have internal predecessors, (123), 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) [2022-11-23 13:50:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2022-11-23 13:50:54,384 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 35 [2022-11-23 13:50:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:54,385 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2022-11-23 13:50:54,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-23 13:50:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2022-11-23 13:50:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 13:50:54,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:54,386 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1] [2022-11-23 13:50:54,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 13:50:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 13:50:54,590 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:50:54,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1548662083, now seen corresponding path program 2 times [2022-11-23 13:50:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:54,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363504535] [2022-11-23 13:50:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:54,635 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:50:54,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081359728] [2022-11-23 13:50:54,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 13:50:54,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:50:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:50:54,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:50:54,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 13:50:55,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 13:50:55,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 13:50:55,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-23 13:50:55,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:50:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:50:56,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:50:56,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:56,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363504535] [2022-11-23 13:50:56,296 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:50:56,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081359728] [2022-11-23 13:50:56,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081359728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:56,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:56,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 13:50:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520437740] [2022-11-23 13:50:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:56,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 13:50:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:56,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 13:50:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-23 13:50:56,298 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:50:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:56,817 INFO L93 Difference]: Finished difference Result 137 states and 155 transitions. [2022-11-23 13:50:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 13:50:56,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-11-23 13:50:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:56,819 INFO L225 Difference]: With dead ends: 137 [2022-11-23 13:50:56,819 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:50:56,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-11-23 13:50:56,820 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 49 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:56,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 5 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:50:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:50:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:50:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-23 13:50:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:50:56,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-23 13:50:56,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:56,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:50:56,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:50:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:50:56,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:50:56,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-23 13:50:56,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-23 13:50:56,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-23 13:50:56,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-23 13:50:56,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-23 13:50:56,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-23 13:50:57,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 13:50:57,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:50:57,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-11-23 13:50:57,659 INFO L895 garLoopResultBuilder]: At program point L572-1(lines 534 587) the Hoare annotation is: (or (= |ULTIMATE.start_main_~c1~0#1| 0) (and (<= |ULTIMATE.start_main_~c1~0#1| 1073741823) (= |ULTIMATE.start_main_~c2~0#1| 0))) [2022-11-23 13:50:57,659 INFO L899 garLoopResultBuilder]: For program point L539-3(lines 539 571) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L573-1(line 573) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L540-1(line 540) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-23 13:50:57,660 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point L550-3(lines 550 561) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L895 garLoopResultBuilder]: At program point L550-5(lines 550 561) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~c1~0#1| 5)) (.cse1 (<= 1 |ULTIMATE.start_main_~c1~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~c2~0#1| 0)) (and .cse0 .cse1 (<= (* |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~c2~0#1|) 2147483647) (<= 1 |ULTIMATE.start_main_~c2~0#1|)))) [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point L550-6(lines 550 561) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point L551-1(line 551) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-11-23 13:50:57,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-11-23 13:50:57,662 INFO L895 garLoopResultBuilder]: At program point L563-2(lines 539 571) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~c2~0#1| 0))) (or (and (<= |ULTIMATE.start_main_~c1~0#1| 5) (<= 1 |ULTIMATE.start_main_~c1~0#1|) .cse0) (let ((.cse1 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= |ULTIMATE.start_main_~first~0#1.base| 0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_main_~last~0#1.base| 0) (= |ULTIMATE.start_main_~first~0#1.offset| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= 14 (select |#length| 2)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) .cse0 (= (select .cse1 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))) [2022-11-23 13:50:57,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-11-23 13:50:57,662 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 577 583) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~c1~0#1| 1073741823) (= |ULTIMATE.start_main_~c2~0#1| 0)) [2022-11-23 13:50:57,665 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:50:57,669 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:50:57,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:50:57 BoogieIcfgContainer [2022-11-23 13:50:57,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:50:57,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:50:57,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:50:57,687 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:50:57,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:51" (3/4) ... [2022-11-23 13:50:57,691 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:50:57,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-23 13:50:57,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 13:50:57,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 13:50:57,702 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:50:57,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:50:57,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:50:57,753 INFO L158 Benchmark]: Toolchain (without parser) took 307888.41ms. Allocated memory was 153.1MB in the beginning and 627.0MB in the end (delta: 474.0MB). Free memory was 122.1MB in the beginning and 469.9MB in the end (delta: -347.8MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 104.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.51ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: Boogie Preprocessor took 30.80ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: RCFGBuilder took 625.74ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 79.7MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,754 INFO L158 Benchmark]: TraceAbstraction took 306621.50ms. Allocated memory was 153.1MB in the beginning and 627.0MB in the end (delta: 474.0MB). Free memory was 78.7MB in the beginning and 474.1MB in the end (delta: -395.4MB). Peak memory consumption was 346.4MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,755 INFO L158 Benchmark]: Witness Printer took 66.20ms. Allocated memory is still 627.0MB. Free memory was 474.1MB in the beginning and 469.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:50:57,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 104.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.51ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.80ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 625.74ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 79.7MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 306621.50ms. Allocated memory was 153.1MB in the beginning and 627.0MB in the end (delta: 474.0MB). Free memory was 78.7MB in the beginning and 474.1MB in the end (delta: -395.4MB). Peak memory consumption was 346.4MB. Max. memory is 16.1GB. * Witness Printer took 66.20ms. Allocated memory is still 627.0MB. Free memory was 474.1MB in the beginning and 469.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 306.5s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 705 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 705 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1475 IncrementalHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 186 mSDtfsCounter, 1475 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 442 GetRequests, 234 SyntacticMatches, 18 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1801 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=15, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 207 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 28 NumberOfFragments, 122 HoareAnnotationTreeSize, 4 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2372 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 295 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 353 ConstructedInterpolants, 20 QuantifiedInterpolants, 1551 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2322 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 22 InterpolantComputations, 13 PerfectInterpolantSequences, 119/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 6.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME: 6.1s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME: 6.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 4.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 154, DAG_COMPRESSION_RETAINED_NODES: 41, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: c1 <= 1073741823 && c2 == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((c1 <= 5 && 1 <= c1) && c2 == 0) || (((c1 <= 5 && 1 <= c1) && c1 * c2 <= 2147483647) && 1 <= c2) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: c1 == 0 || (c1 <= 1073741823 && c2 == 0) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((c1 <= 5 && 1 <= c1) && c2 == 0) || (((((((((((((((last == 0 && c1 == 0) && first == 0) && 2 == unknown-#length-unknown[1]) && last == 0) && first == 0) && \valid[1] == 1) && \valid[0] == 0) && 14 == unknown-#length-unknown[2]) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && c2 == 0) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-23 13:50:57,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2ce367-0a37-4140-8aa8-c5c79c6ec6c5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE