./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73587fb730a0fae8f0f61c4bce66b3ef3eca8012a1c96e30e457f1e4f757a73f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:56:56,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:56:56,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:56:57,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:56:57,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:56:57,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:56:57,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:56:57,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:56:57,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:56:57,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:56:57,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:56:57,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:56:57,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:56:57,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:56:57,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:56:57,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:56:57,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:56:57,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:56:57,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:56:57,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:56:57,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:56:57,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:56:57,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:56:57,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:56:57,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:56:57,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:56:57,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:56:57,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:56:57,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:56:57,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:56:57,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:56:57,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:56:57,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:56:57,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:56:57,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:56:57,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:56:57,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:56:57,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:56:57,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:56:57,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:56:57,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:56:57,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:56:57,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:56:57,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:56:57,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:56:57,131 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:56:57,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:56:57,132 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:56:57,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:56:57,132 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:56:57,133 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:56:57,133 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:56:57,134 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:56:57,135 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:56:57,135 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:56:57,135 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:56:57,136 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:56:57,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:56:57,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:56:57,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:56:57,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:56:57,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:56:57,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:56:57,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:56:57,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:56:57,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:56:57,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:56:57,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:56:57,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:56:57,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:56:57,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:56:57,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:56:57,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:57,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:56:57,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:56:57,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:56:57,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:56:57,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:56:57,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:56:57,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:56:57,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:56:57,145 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73587fb730a0fae8f0f61c4bce66b3ef3eca8012a1c96e30e457f1e4f757a73f [2021-11-03 03:56:57,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:56:57,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:56:57,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:56:57,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:56:57,575 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:56:57,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c [2021-11-03 03:56:57,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/data/67e2d0bb4/61f10fe54a164516968c89211101f16b/FLAG409279a51 [2021-11-03 03:56:58,338 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:56:58,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c [2021-11-03 03:56:58,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/data/67e2d0bb4/61f10fe54a164516968c89211101f16b/FLAG409279a51 [2021-11-03 03:56:58,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/data/67e2d0bb4/61f10fe54a164516968c89211101f16b [2021-11-03 03:56:58,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:56:58,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:56:58,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:58,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:56:58,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:56:58,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:58" (1/1) ... [2021-11-03 03:56:58,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9870f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:58, skipping insertion in model container [2021-11-03 03:56:58,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:58" (1/1) ... [2021-11-03 03:56:58,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:56:58,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:56:59,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c[313,326] [2021-11-03 03:56:59,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:59,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:56:59,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/sv-benchmarks/c/loops-crafted-1/Mono1_1-1.c[313,326] [2021-11-03 03:56:59,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:59,086 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:56:59,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59 WrapperNode [2021-11-03 03:56:59,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:59,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:59,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:56:59,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:56:59,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:59,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:56:59,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:56:59,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:56:59,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:56:59,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:56:59,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:56:59,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:56:59,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (1/1) ... [2021-11-03 03:56:59,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:59,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:56:59,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:56:59,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:56:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:56:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:56:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:56:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:56:59,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:56:59,658 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 03:56:59,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:59 BoogieIcfgContainer [2021-11-03 03:56:59,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:56:59,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:56:59,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:56:59,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:56:59,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:56:58" (1/3) ... [2021-11-03 03:56:59,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c258b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:59, skipping insertion in model container [2021-11-03 03:56:59,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:59" (2/3) ... [2021-11-03 03:56:59,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c258b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:59, skipping insertion in model container [2021-11-03 03:56:59,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:59" (3/3) ... [2021-11-03 03:56:59,687 INFO L111 eAbstractionObserver]: Analyzing ICFG Mono1_1-1.c [2021-11-03 03:56:59,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:56:59,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:56:59,751 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:56:59,759 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:56:59,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:56:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 03:56:59,798 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:59,799 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 03:56:59,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:59,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1974664, now seen corresponding path program 1 times [2021-11-03 03:56:59,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:59,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632438081] [2021-11-03 03:56:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:59,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:00,133 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:00,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632438081] [2021-11-03 03:57:00,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632438081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:00,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:00,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 03:57:00,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921385524] [2021-11-03 03:57:00,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:57:00,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:00,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:57:00,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:57:00,178 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-11-03 03:57:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:00,216 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-03 03:57:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:57:00,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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 [2021-11-03 03:57:00,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:00,229 INFO L225 Difference]: With dead ends: 13 [2021-11-03 03:57:00,230 INFO L226 Difference]: Without dead ends: 6 [2021-11-03 03:57:00,232 INFO L786 BasicCegarLoop]: 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 [2021-11-03 03:57:00,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2021-11-03 03:57:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-03 03:57:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-11-03 03:57:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-03 03:57:00,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2021-11-03 03:57:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:00,270 INFO L470 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-03 03:57:00,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-11-03 03:57:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-03 03:57:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-03 03:57:00,271 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:00,271 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-03 03:57:00,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:57:00,272 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:00,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:00,273 INFO L85 PathProgramCache]: Analyzing trace with hash 61169381, now seen corresponding path program 1 times [2021-11-03 03:57:00,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:00,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108991400] [2021-11-03 03:57:00,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:00,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:00,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:00,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108991400] [2021-11-03 03:57:00,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108991400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:00,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477595915] [2021-11-03 03:57:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:00,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:00,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:00,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:00,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 03:57:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:00,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:57:00,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:00,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:01,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477595915] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:57:01,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1323909670] [2021-11-03 03:57:01,246 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-03 03:57:01,246 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:57:01,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:57:01,259 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:57:01,260 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:57:01,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:57:01,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:01,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 03:57:01,335 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-03 03:57:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:57:01,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:01,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:01,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:01,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:01,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:01,441 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 03:57:01,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 treesize of output 34 [2021-11-03 03:57:01,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:01,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:01,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:01,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:01,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:01,479 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:57:01,479 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:119, output treesize:98 [2021-11-03 03:57:01,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:01,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:01,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:01,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:01,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:57:01,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:57:01,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:57:01,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:01,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:01,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 03:57:02,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 03:57:02,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 03:57:02,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 03:57:02,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 03:57:02,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 03:57:02,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 395 [2021-11-03 03:57:02,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 326 [2021-11-03 03:57:02,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-03 03:57:02,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:57:02,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 03:57:02,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:57:02,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 03:57:02,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:57:02,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-03 03:57:02,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 03:57:02,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 03:57:02,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 03:57:02,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-03 03:57:02,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 612 [2021-11-03 03:57:02,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 03:57:02,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 03:57:02,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 03:57:02,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 03:57:02,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 03:57:02,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 03:57:02,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 395 [2021-11-03 03:57:02,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 326 [2021-11-03 03:57:02,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-03 03:57:02,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:57:02,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 03:57:02,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 03:57:02,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 03:57:02,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:57:02,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:57:02,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 03:57:02,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:57:02,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-03 03:57:02,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 03:57:02,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 03:57:02,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 03:57:02,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-03 03:57:02,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 655 [2021-11-03 03:57:02,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:02,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:02,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:02,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:02,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:02,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:57:02,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:02,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:03,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 03:57:03,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 03:57:03,025 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:57:03,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:57:03,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:57:03,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 4] total 7 [2021-11-03 03:57:03,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047537238] [2021-11-03 03:57:03,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:57:03,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:57:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:57:03,183 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:03,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:03,400 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-03 03:57:03,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:57:03,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-03 03:57:03,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:03,402 INFO L225 Difference]: With dead ends: 13 [2021-11-03 03:57:03,402 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 03:57:03,403 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:57:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 03:57:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 03:57:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-03 03:57:03,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2021-11-03 03:57:03,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:03,407 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-11-03 03:57:03,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-03 03:57:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 03:57:03,408 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:03,408 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2021-11-03 03:57:03,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:03,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:03,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1186009288, now seen corresponding path program 2 times [2021-11-03 03:57:03,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:03,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61117730] [2021-11-03 03:57:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:03,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:03,842 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:03,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61117730] [2021-11-03 03:57:03,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61117730] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:03,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287048557] [2021-11-03 03:57:03,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:57:03,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:03,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:03,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 03:57:03,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 03:57:03,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:57:03,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 03:57:03,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:04,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:05,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287048557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:57:05,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2127357021] [2021-11-03 03:57:05,924 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-03 03:57:05,924 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:57:05,925 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:57:05,925 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:57:05,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:57:05,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:05,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:05,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:05,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:57:05,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:05,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:05,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:05,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 03:57:05,953 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-03 03:57:05,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:05,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:57:05,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:05,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:05,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:05,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:05,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:05,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:06,052 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 03:57:06,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 treesize of output 34 [2021-11-03 03:57:06,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:06,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:06,060 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:06,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:06,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:57:06,076 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:119, output treesize:98 [2021-11-03 03:57:06,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:06,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:57:06,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-03 03:57:06,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-03 03:57:06,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:57:06,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:57:06,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-03 03:57:06,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 03:57:06,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:06,425 INFO L180 QuantifierPusher]: treesize reduction 30, result has 67.0 percent of original size [2021-11-03 03:57:06,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:57:06,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:06,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:06,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:57:06,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:57:06,487 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:57:06,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:57:06,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:57:06,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 13 [2021-11-03 03:57:06,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755666116] [2021-11-03 03:57:06,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 03:57:06,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 03:57:06,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-11-03 03:57:06,938 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:13,931 WARN L207 SmtUtils]: Spent 6.01 s on a formula simplification that was a NOOP. DAG size: 86 [2021-11-03 03:57:23,801 WARN L207 SmtUtils]: Spent 6.89 s on a formula simplification that was a NOOP. DAG size: 89 [2021-11-03 03:57:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:34,025 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2021-11-03 03:57:34,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 03:57:34,028 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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 8 [2021-11-03 03:57:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:34,029 INFO L225 Difference]: With dead ends: 20 [2021-11-03 03:57:34,029 INFO L226 Difference]: Without dead ends: 16 [2021-11-03 03:57:34,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=155, Invalid=349, Unknown=2, NotChecked=0, Total=506 [2021-11-03 03:57:34,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-03 03:57:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-03 03:57:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-11-03 03:57:34,037 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2021-11-03 03:57:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:34,037 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-11-03 03:57:34,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-11-03 03:57:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:57:34,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:34,039 INFO L513 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1] [2021-11-03 03:57:34,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-03 03:57:34,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:34,245 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 922769605, now seen corresponding path program 3 times [2021-11-03 03:57:34,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:34,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471364733] [2021-11-03 03:57:34,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:34,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:34,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:34,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471364733] [2021-11-03 03:57:34,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471364733] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:34,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187867032] [2021-11-03 03:57:34,735 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:57:34,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:34,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:34,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:34,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 03:57:35,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:57:35,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:57:35,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-03 03:57:35,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:35,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:43,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187867032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:57:43,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1216254231] [2021-11-03 03:57:43,098 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-03 03:57:43,099 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:57:43,099 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:57:43,100 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:57:43,100 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:57:43,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:57:43,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:43,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 03:57:43,118 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_11|], 21=[|v_#valid_12|]} [2021-11-03 03:57:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 16 [2021-11-03 03:57:43,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:43,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:57:43,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:43,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:43,173 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 03:57:43,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 35 treesize of output 34 [2021-11-03 03:57:43,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:43,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:43,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:57:43,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:43,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:57:43,189 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:119, output treesize:98 [2021-11-03 03:57:43,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-03 03:57:43,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 03:57:43,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-03 03:57:43,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-03 03:57:43,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:57:43,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 03:57:43,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-03 03:57:43,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 426 [2021-11-03 03:57:43,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:43,458 INFO L180 QuantifierPusher]: treesize reduction 30, result has 67.0 percent of original size [2021-11-03 03:57:43,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:57:43,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:43,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 03:57:43,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:57:43,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:57:43,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:57:46,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29332 [2021-11-03 03:57:46,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29360 [2021-11-03 03:57:46,614 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:57:47,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:57:47,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:57:47,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 27 [2021-11-03 03:57:47,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117770412] [2021-11-03 03:57:47,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-03 03:57:47,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-03 03:57:47,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=678, Unknown=0, NotChecked=0, Total=930 [2021-11-03 03:57:47,285 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 28 states, 28 states have (on average 1.1071428571428572) 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) [2021-11-03 03:57:49,485 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (or (<= (div (+ .cse0 (- 29964771089)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34359738352)) 4294967296) 15)) (<= (div (+ .cse0 (- 30064771089)) (- 4294967296)) (+ 15 (div (+ (- 30164771057) c_ULTIMATE.start_main_~x~0) 4294967296)))) (or (<= (div (+ .cse0 (- 12884901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 12984901881)) 4294967296))) (<= (div (+ .cse0 (- 12784901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 17179869176)) 4294967296)))) (or (<= (div (+ (- 17079869195) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21474836470)) 4294967296) 9)) (<= (div (+ .cse0 (- 17179869195)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 17279869175)) 4294967296) 9))) (or (<= (div (+ (- 4194967301) .cse0) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 8589934588)) 4294967296))) (<= (div (+ .cse0 (- 4294967301)) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 4394967293)) 4294967296)))) (or (<= (div (+ (- 42849672983) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 47244640234)) 4294967296) 21)) (<= (div (+ (- 42949672983) .cse0) (- 4294967296)) (+ 21 (div (+ c_ULTIMATE.start_main_~x~0 (- 43049672939)) 4294967296)))) (or (<= (div (+ .cse0 (- 38654705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 38754705645)) 4294967296))) (<= (div (+ .cse0 (- 38554705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 42949672940)) 4294967296)))) (or (<= (div (+ .cse0 (- 34259738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 38654705646)) 4294967296) 17)) (<= (div (+ .cse0 (- 34359738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34459738351)) 4294967296) 17))) (or (<= (div (+ .cse0 (- 3)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 99999999)) 4294967296) 1)) (<= (div (+ 99999997 .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 4294967294)) 4294967296) 1))) (or (<= (div (+ (- 21474836493) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21574836469)) 4294967296) 11)) (<= (div (+ .cse0 (- 21374836493)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 25769803764)) 4294967296) 11))) (let ((.cse1 (mod c_ULTIMATE.start_main_~x~0 4294967296))) (or (= 100000001 .cse1) (< .cse1 100000000))) (or (<= (div (+ (- 8489934599) .cse0) (- 4294967296)) (+ 5 (div (+ c_ULTIMATE.start_main_~x~0 (- 12884901882)) 4294967296))) (<= (div (+ .cse0 (- 8589934599)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 8689934587)) 4294967296) 5))) (or (<= (div (+ (- 25669803791) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 30064771058)) 4294967296) 13)) (<= (div (+ .cse0 (- 25769803791)) (- 4294967296)) (+ (div (+ (- 25869803763) c_ULTIMATE.start_main_~x~0) 4294967296) 13))))) is different from false [2021-11-03 03:57:51,512 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (or (<= (div (+ .cse0 (- 29964771089)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34359738352)) 4294967296) 15)) (<= (div (+ .cse0 (- 30064771089)) (- 4294967296)) (+ 15 (div (+ (- 30164771057) c_ULTIMATE.start_main_~x~0) 4294967296)))) (or (<= (div (+ .cse0 (- 12884901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 12984901881)) 4294967296))) (<= (div (+ .cse0 (- 12784901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 17179869176)) 4294967296)))) (or (<= (div (+ (- 17079869195) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21474836470)) 4294967296) 9)) (<= (div (+ .cse0 (- 17179869195)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 17279869175)) 4294967296) 9))) (or (<= (div (+ (- 4194967301) .cse0) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 8589934588)) 4294967296))) (<= (div (+ .cse0 (- 4294967301)) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 4394967293)) 4294967296)))) (or (<= (div (+ .cse0 (- 38654705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 38754705645)) 4294967296))) (<= (div (+ .cse0 (- 38554705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 42949672940)) 4294967296)))) (or (<= (div (+ .cse0 (- 34259738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 38654705646)) 4294967296) 17)) (<= (div (+ .cse0 (- 34359738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34459738351)) 4294967296) 17))) (or (<= (div (+ .cse0 (- 3)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 99999999)) 4294967296) 1)) (<= (div (+ 99999997 .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 4294967294)) 4294967296) 1))) (or (<= (div (+ (- 21474836493) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21574836469)) 4294967296) 11)) (<= (div (+ .cse0 (- 21374836493)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 25769803764)) 4294967296) 11))) (let ((.cse1 (mod c_ULTIMATE.start_main_~x~0 4294967296))) (or (= 100000001 .cse1) (< .cse1 100000000))) (or (<= (div (+ (- 8489934599) .cse0) (- 4294967296)) (+ 5 (div (+ c_ULTIMATE.start_main_~x~0 (- 12884901882)) 4294967296))) (<= (div (+ .cse0 (- 8589934599)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 8689934587)) 4294967296) 5))) (or (<= (div (+ (- 25669803791) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 30064771058)) 4294967296) 13)) (<= (div (+ .cse0 (- 25769803791)) (- 4294967296)) (+ (div (+ (- 25869803763) c_ULTIMATE.start_main_~x~0) 4294967296) 13))))) is different from false [2021-11-03 03:57:53,535 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (or (<= (div (+ .cse0 (- 29964771089)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34359738352)) 4294967296) 15)) (<= (div (+ .cse0 (- 30064771089)) (- 4294967296)) (+ 15 (div (+ (- 30164771057) c_ULTIMATE.start_main_~x~0) 4294967296)))) (or (<= (div (+ .cse0 (- 12884901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 12984901881)) 4294967296))) (<= (div (+ .cse0 (- 12784901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 17179869176)) 4294967296)))) (or (<= (div (+ (- 17079869195) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21474836470)) 4294967296) 9)) (<= (div (+ .cse0 (- 17179869195)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 17279869175)) 4294967296) 9))) (or (<= (div (+ (- 4194967301) .cse0) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 8589934588)) 4294967296))) (<= (div (+ .cse0 (- 4294967301)) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 4394967293)) 4294967296)))) (or (<= (div (+ .cse0 (- 34259738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 38654705646)) 4294967296) 17)) (<= (div (+ .cse0 (- 34359738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34459738351)) 4294967296) 17))) (or (<= (div (+ .cse0 (- 3)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 99999999)) 4294967296) 1)) (<= (div (+ 99999997 .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 4294967294)) 4294967296) 1))) (or (<= (div (+ (- 21474836493) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21574836469)) 4294967296) 11)) (<= (div (+ .cse0 (- 21374836493)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 25769803764)) 4294967296) 11))) (let ((.cse1 (mod c_ULTIMATE.start_main_~x~0 4294967296))) (or (= 100000001 .cse1) (< .cse1 100000000))) (or (<= (div (+ (- 8489934599) .cse0) (- 4294967296)) (+ 5 (div (+ c_ULTIMATE.start_main_~x~0 (- 12884901882)) 4294967296))) (<= (div (+ .cse0 (- 8589934599)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 8689934587)) 4294967296) 5))) (or (<= (div (+ (- 25669803791) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 30064771058)) 4294967296) 13)) (<= (div (+ .cse0 (- 25769803791)) (- 4294967296)) (+ (div (+ (- 25869803763) c_ULTIMATE.start_main_~x~0) 4294967296) 13))))) is different from false [2021-11-03 03:59:05,211 WARN L207 SmtUtils]: Spent 40.59 s on a formula simplification that was a NOOP. DAG size: 156 [2021-11-03 04:00:22,146 WARN L207 SmtUtils]: Spent 42.10 s on a formula simplification that was a NOOP. DAG size: 138 [2021-11-03 04:00:34,231 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (or (<= (div (+ .cse0 (- 12884901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 12984901881)) 4294967296))) (<= (div (+ .cse0 (- 12784901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 17179869176)) 4294967296)))) (or (<= (div (+ (- 17079869195) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21474836470)) 4294967296) 9)) (<= (div (+ .cse0 (- 17179869195)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 17279869175)) 4294967296) 9))) (or (<= (div (+ (- 4194967301) .cse0) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 8589934588)) 4294967296))) (<= (div (+ .cse0 (- 4294967301)) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 4394967293)) 4294967296)))) (or (<= (div (+ .cse0 (- 3)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 99999999)) 4294967296) 1)) (<= (div (+ 99999997 .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 4294967294)) 4294967296) 1))) (or (<= (div (+ (- 21474836493) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21574836469)) 4294967296) 11)) (<= (div (+ .cse0 (- 21374836493)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 25769803764)) 4294967296) 11))) (let ((.cse1 (mod c_ULTIMATE.start_main_~x~0 4294967296))) (or (= 100000001 .cse1) (< .cse1 100000000))) (or (<= (div (+ (- 8489934599) .cse0) (- 4294967296)) (+ 5 (div (+ c_ULTIMATE.start_main_~x~0 (- 12884901882)) 4294967296))) (<= (div (+ .cse0 (- 8589934599)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 8689934587)) 4294967296) 5))))) is different from false [2021-11-03 04:01:09,980 WARN L207 SmtUtils]: Spent 11.28 s on a formula simplification that was a NOOP. DAG size: 102 [2021-11-03 04:01:41,135 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~x~0 (- 1)))) (and (or (<= (div (+ .cse0 (- 29964771089)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34359738352)) 4294967296) 15)) (<= (div (+ .cse0 (- 30064771089)) (- 4294967296)) (+ 15 (div (+ (- 30164771057) c_ULTIMATE.start_main_~x~0) 4294967296)))) (or (<= (div (+ .cse0 (- 12884901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 12984901881)) 4294967296))) (<= (div (+ .cse0 (- 12784901897)) (- 4294967296)) (+ 7 (div (+ c_ULTIMATE.start_main_~x~0 (- 17179869176)) 4294967296)))) (or (<= (div (+ (- 17079869195) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21474836470)) 4294967296) 9)) (<= (div (+ .cse0 (- 17179869195)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 17279869175)) 4294967296) 9))) (or (<= (div (+ (- 4194967301) .cse0) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 8589934588)) 4294967296))) (<= (div (+ .cse0 (- 4294967301)) (- 4294967296)) (+ 3 (div (+ c_ULTIMATE.start_main_~x~0 (- 4394967293)) 4294967296)))) (or (<= (div (+ (- 42849672983) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 47244640234)) 4294967296) 21)) (<= (div (+ (- 42949672983) .cse0) (- 4294967296)) (+ 21 (div (+ c_ULTIMATE.start_main_~x~0 (- 43049672939)) 4294967296)))) (or (<= (div (+ .cse0 (- 38654705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 38754705645)) 4294967296))) (<= (div (+ .cse0 (- 38554705685)) (- 4294967296)) (+ 19 (div (+ c_ULTIMATE.start_main_~x~0 (- 42949672940)) 4294967296)))) (or (<= (div (+ .cse0 (- 34259738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 38654705646)) 4294967296) 17)) (<= (div (+ .cse0 (- 34359738387)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 34459738351)) 4294967296) 17))) (or (<= (div (+ .cse0 (- 3)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 99999999)) 4294967296) 1)) (<= (div (+ 99999997 .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 4294967294)) 4294967296) 1))) (or (<= (div (+ (- 21474836493) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 21574836469)) 4294967296) 11)) (<= (div (+ .cse0 (- 21374836493)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 25769803764)) 4294967296) 11))) (or (<= (div (+ (- 8489934599) .cse0) (- 4294967296)) (+ 5 (div (+ c_ULTIMATE.start_main_~x~0 (- 12884901882)) 4294967296))) (<= (div (+ .cse0 (- 8589934599)) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 8689934587)) 4294967296) 5))) (or (<= (div (+ (- 25669803791) .cse0) (- 4294967296)) (+ (div (+ c_ULTIMATE.start_main_~x~0 (- 30064771058)) 4294967296) 13)) (<= (div (+ .cse0 (- 25769803791)) (- 4294967296)) (+ (div (+ (- 25869803763) c_ULTIMATE.start_main_~x~0) 4294967296) 13))))) is different from false [2021-11-03 04:01:41,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:41,141 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2021-11-03 04:01:41,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-03 04:01:41,141 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1071428571428572) 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) Word has length 15 [2021-11-03 04:01:41,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:41,142 INFO L225 Difference]: With dead ends: 34 [2021-11-03 04:01:41,143 INFO L226 Difference]: Without dead ends: 30 [2021-11-03 04:01:41,144 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 215.7s TimeCoverageRelationStatistics Valid=425, Invalid=985, Unknown=16, NotChecked=380, Total=1806 [2021-11-03 04:01:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-03 04:01:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-03 04:01:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:01:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-11-03 04:01:41,155 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-11-03 04:01:41,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:41,155 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-11-03 04:01:41,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.1071428571428572) 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) [2021-11-03 04:01:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-11-03 04:01:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:01:41,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:41,157 INFO L513 BasicCegarLoop]: trace histogram [25, 1, 1, 1, 1] [2021-11-03 04:01:41,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:01:41,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-03 04:01:41,359 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:01:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1624534171, now seen corresponding path program 4 times [2021-11-03 04:01:41,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:01:41,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316145397] [2021-11-03 04:01:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:41,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:01:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:01:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:01:43,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:01:43,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316145397] [2021-11-03 04:01:43,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316145397] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:01:43,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021564601] [2021-11-03 04:01:43,954 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:01:43,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:01:43,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:01:43,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:01:43,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eb54-2cd9-42a5-b0fa-517f257a86e5/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process