./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:01:06,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:01:06,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:01:06,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:01:06,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:01:06,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:01:06,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:01:06,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:01:06,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:01:06,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:01:06,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:01:06,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:01:06,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:01:06,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:01:06,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:01:06,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:01:06,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:01:06,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:01:06,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:01:06,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:01:06,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:01:06,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:01:06,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:01:06,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:01:06,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:01:06,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:01:06,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:01:06,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:01:06,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:01:06,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:01:06,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:01:06,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:01:06,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:01:06,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:01:06,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:01:06,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:01:06,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:01:06,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:01:06,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:01:06,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:01:06,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:01:06,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 01:01:06,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:01:06,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:01:06,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:01:06,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:01:06,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:01:06,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:01:06,235 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:01:06,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:01:06,236 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:01:06,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:01:06,237 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:01:06,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:01:06,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:01:06,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:01:06,238 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:01:06,238 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:01:06,238 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:01:06,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:01:06,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:01:06,240 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:01:06,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:01:06,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:01:06,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:01:06,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:01:06,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:01:06,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:01:06,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:01:06,242 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:01:06,242 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:01:06,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:01:06,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:01:06,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:01:06,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:01:06,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:01:06,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:06,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:01:06,245 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:01:06,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:01:06,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:01:06,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:01:06,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:01:06,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:01:06,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:01:06,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e [2022-11-26 01:01:06,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:01:06,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:01:06,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:01:06,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:01:06,601 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:01:06,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-26 01:01:09,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:01:09,944 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:01:09,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-26 01:01:09,951 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/27b68c4da/7d6078e99433410384cacfa91cacbbd6/FLAG611a1e9c2 [2022-11-26 01:01:09,965 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/27b68c4da/7d6078e99433410384cacfa91cacbbd6 [2022-11-26 01:01:09,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:01:09,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:01:09,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:09,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:01:09,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:01:09,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:09" (1/1) ... [2022-11-26 01:01:09,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cac585a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:09, skipping insertion in model container [2022-11-26 01:01:09,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:09" (1/1) ... [2022-11-26 01:01:09,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:01:10,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:01:10,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-26 01:01:10,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:10,169 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:01:10,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-26 01:01:10,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:10,205 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:01:10,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10 WrapperNode [2022-11-26 01:01:10,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:10,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:10,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:01:10,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:01:10,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,246 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-26 01:01:10,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:10,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:01:10,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:01:10,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:01:10,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:01:10,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:01:10,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:01:10,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:01:10,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (1/1) ... [2022-11-26 01:01:10,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:10,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:01:10,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:01:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:01:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:01:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:01:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:01:10,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:01:10,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:01:10,759 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:01:10,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:01:10,848 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:01:10,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:10 BoogieIcfgContainer [2022-11-26 01:01:10,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:01:10,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:01:10,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:01:10,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:01:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:01:09" (1/3) ... [2022-11-26 01:01:10,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f001147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:10, skipping insertion in model container [2022-11-26 01:01:10,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:10" (2/3) ... [2022-11-26 01:01:10,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f001147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:10, skipping insertion in model container [2022-11-26 01:01:10,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:10" (3/3) ... [2022-11-26 01:01:10,861 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2022-11-26 01:01:10,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:01:10,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 01:01:10,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:01:10,945 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60ad1c9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:01:10,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 01:01:10,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 01:01:10,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:10,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 01:01:10,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:01:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 98633, now seen corresponding path program 1 times [2022-11-26 01:01:10,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:10,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514552076] [2022-11-26 01:01:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:11,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:11,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514552076] [2022-11-26 01:01:11,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514552076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:11,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:11,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:01:11,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882524478] [2022-11-26 01:01:11,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:11,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:01:11,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:11,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:01:11,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:01:11,513 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:11,606 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-26 01:01:11,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:01:11,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-11-26 01:01:11,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:11,617 INFO L225 Difference]: With dead ends: 28 [2022-11-26 01:01:11,618 INFO L226 Difference]: Without dead ends: 19 [2022-11-26 01:01:11,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:01:11,624 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:11,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:01:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-26 01:01:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2022-11-26 01:01:11,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-26 01:01:11,660 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 3 [2022-11-26 01:01:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:11,660 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-26 01:01:11,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-26 01:01:11,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 01:01:11,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:11,662 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 01:01:11,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:01:11,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:01:11,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1356535244, now seen corresponding path program 1 times [2022-11-26 01:01:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:11,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429427040] [2022-11-26 01:01:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:11,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:11,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429427040] [2022-11-26 01:01:11,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429427040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:01:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076998565] [2022-11-26 01:01:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:11,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:01:11,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:11,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:01:11,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:01:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:12,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:01:12,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:12,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:12,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076998565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:12,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:01:12,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-26 01:01:12,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314967498] [2022-11-26 01:01:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:12,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:01:12,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:01:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:01:12,221 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second 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) [2022-11-26 01:01:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:12,332 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-26 01:01:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:01:12,333 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 6 [2022-11-26 01:01:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:12,334 INFO L225 Difference]: With dead ends: 19 [2022-11-26 01:01:12,334 INFO L226 Difference]: Without dead ends: 18 [2022-11-26 01:01:12,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:01:12,336 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:12,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:01:12,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-26 01:01:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2022-11-26 01:01:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-26 01:01:12,341 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2022-11-26 01:01:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:12,342 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-26 01:01:12,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-11-26 01:01:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-26 01:01:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 01:01:12,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:12,346 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-26 01:01:12,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:12,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:01:12,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:01:12,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:12,554 INFO L85 PathProgramCache]: Analyzing trace with hash 897080451, now seen corresponding path program 1 times [2022-11-26 01:01:12,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:12,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905145297] [2022-11-26 01:01:12,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:12,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:01:12,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:12,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905145297] [2022-11-26 01:01:12,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905145297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:12,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:12,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:01:12,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023203552] [2022-11-26 01:01:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:12,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:01:12,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:12,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:01:12,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:01:12,692 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:12,715 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-11-26 01:01:12,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:01:12,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 01:01:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:12,717 INFO L225 Difference]: With dead ends: 13 [2022-11-26 01:01:12,717 INFO L226 Difference]: Without dead ends: 12 [2022-11-26 01:01:12,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:01:12,719 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:12,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:01:12,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-26 01:01:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2022-11-26 01:01:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-26 01:01:12,727 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2022-11-26 01:01:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:12,727 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-26 01:01:12,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-26 01:01:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 01:01:12,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:12,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:12,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:01:12,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:01:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:12,736 INFO L85 PathProgramCache]: Analyzing trace with hash 897084108, now seen corresponding path program 1 times [2022-11-26 01:01:12,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:12,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826076102] [2022-11-26 01:01:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:12,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:12,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:12,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826076102] [2022-11-26 01:01:12,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826076102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:01:12,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835171302] [2022-11-26 01:01:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:12,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:01:12,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:12,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:01:12,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:01:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:13,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:01:13,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:13,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:01:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:13,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835171302] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:01:13,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [419806628] [2022-11-26 01:01:13,110 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-26 01:01:13,110 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:01:13,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:01:13,122 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:01:13,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:01:13,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-26 01:01:13,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-26 01:01:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 152 [2022-11-26 01:01:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 144 [2022-11-26 01:01:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2022-11-26 01:01:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,542 INFO L321 Elim1Store]: treesize reduction 68, result has 11.7 percent of original size [2022-11-26 01:01:13,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 127 [2022-11-26 01:01:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,727 INFO L321 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2022-11-26 01:01:13,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 97 treesize of output 146 [2022-11-26 01:01:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-26 01:01:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:13,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:01:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,226 INFO L321 Elim1Store]: treesize reduction 48, result has 18.6 percent of original size [2022-11-26 01:01:14,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 28 [2022-11-26 01:01:14,346 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-26 01:01:14,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 7 [2022-11-26 01:01:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,390 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:01:14,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 377 treesize of output 365 [2022-11-26 01:01:14,487 INFO L321 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2022-11-26 01:01:14,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 367 treesize of output 356 [2022-11-26 01:01:14,717 INFO L321 Elim1Store]: treesize reduction 71, result has 18.4 percent of original size [2022-11-26 01:01:14,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 590 treesize of output 591 [2022-11-26 01:01:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 13 [2022-11-26 01:01:14,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:14,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 108 [2022-11-26 01:01:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:14,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:14,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2022-11-26 01:01:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:15,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:16,601 INFO L321 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2022-11-26 01:01:16,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2035 treesize of output 2018 [2022-11-26 01:01:18,442 INFO L321 Elim1Store]: treesize reduction 371, result has 9.5 percent of original size [2022-11-26 01:01:18,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2093 treesize of output 2123 [2022-11-26 01:01:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:21,565 INFO L321 Elim1Store]: treesize reduction 508, result has 9.9 percent of original size [2022-11-26 01:01:21,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 2785 treesize of output 2816 [2022-11-26 01:01:21,948 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-11-26 01:01:21,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1848 treesize of output 1847 [2022-11-26 01:01:22,273 INFO L321 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2022-11-26 01:01:22,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1937 treesize of output 1927 [2022-11-26 01:01:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:22,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:01:22,933 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-26 01:01:22,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 7 [2022-11-26 01:01:23,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:23,110 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:01:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 422 [2022-11-26 01:01:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 385 treesize of output 480 [2022-11-26 01:01:23,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 494 [2022-11-26 01:01:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 357 [2022-11-26 01:01:23,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 132 [2022-11-26 01:01:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 171 [2022-11-26 01:01:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 119 [2022-11-26 01:01:23,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:23,661 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:01:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 423 [2022-11-26 01:01:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 385 treesize of output 464 [2022-11-26 01:01:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:23,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 518 [2022-11-26 01:01:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 280 [2022-11-26 01:01:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 513 [2022-11-26 01:01:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 151 [2022-11-26 01:01:24,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 81 [2022-11-26 01:01:24,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:01:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 515 [2022-11-26 01:01:24,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 733 treesize of output 684 [2022-11-26 01:01:24,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 623 [2022-11-26 01:01:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:24,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 565 [2022-11-26 01:01:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 127 [2022-11-26 01:01:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:24,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 127 [2022-11-26 01:01:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:46,876 WARN L233 SmtUtils]: Spent 20.89s on a formula simplification. DAG size of input: 466 DAG size of output: 50 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:01:46,877 INFO L321 Elim1Store]: treesize reduction 6691, result has 1.1 percent of original size [2022-11-26 01:01:46,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 11 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 84 case distinctions, treesize of input 11469 treesize of output 11223 [2022-11-26 01:01:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:47,337 INFO L321 Elim1Store]: treesize reduction 64, result has 14.7 percent of original size [2022-11-26 01:01:47,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 36 [2022-11-26 01:01:56,532 WARN L233 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 33 DAG size of output: 10 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:01:56,532 INFO L321 Elim1Store]: treesize reduction 58, result has 15.9 percent of original size [2022-11-26 01:01:56,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 23417 treesize of output 23333 [2022-11-26 01:01:59,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:59,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:01:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:01:59,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:05,957 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 33 DAG size of output: 15 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:02:05,957 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-26 01:02:05,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 23507 treesize of output 23358 [2022-11-26 01:02:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2022-11-26 01:02:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 136 [2022-11-26 01:02:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 116 [2022-11-26 01:02:12,275 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-26 01:02:12,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 135 [2022-11-26 01:02:12,347 INFO L321 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2022-11-26 01:02:12,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 97 treesize of output 150 [2022-11-26 01:02:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 3 [2022-11-26 01:02:12,461 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:12,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 7 [2022-11-26 01:02:12,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:02:12,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:02:12,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 3 [2022-11-26 01:02:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 325 [2022-11-26 01:02:12,620 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-26 01:02:12,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 358 treesize of output 334 [2022-11-26 01:02:12,729 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-26 01:02:12,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 379 treesize of output 394 [2022-11-26 01:02:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:12,789 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 01:02:12,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 50 [2022-11-26 01:02:12,965 INFO L321 Elim1Store]: treesize reduction 33, result has 43.1 percent of original size [2022-11-26 01:02:12,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 920 treesize of output 859 [2022-11-26 01:02:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 739 treesize of output 733 [2022-11-26 01:02:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,082 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:02:13,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 01:02:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 01:02:13,305 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:02:13,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2022-11-26 01:02:13,354 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:02:13,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2022-11-26 01:02:13,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:13,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-26 01:02:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-26 01:02:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2022-11-26 01:02:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2022-11-26 01:02:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 86 [2022-11-26 01:02:13,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2022-11-26 01:02:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2022-11-26 01:02:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2022-11-26 01:02:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2022-11-26 01:02:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:13,964 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-26 01:02:13,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 261 [2022-11-26 01:02:14,079 INFO L321 Elim1Store]: treesize reduction 45, result has 28.6 percent of original size [2022-11-26 01:02:14,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 260 [2022-11-26 01:02:14,184 INFO L321 Elim1Store]: treesize reduction 18, result has 50.0 percent of original size [2022-11-26 01:02:14,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 219 treesize of output 221 [2022-11-26 01:02:14,560 INFO L321 Elim1Store]: treesize reduction 210, result has 26.1 percent of original size [2022-11-26 01:02:14,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 197 treesize of output 277 [2022-11-26 01:02:14,774 INFO L321 Elim1Store]: treesize reduction 145, result has 20.3 percent of original size [2022-11-26 01:02:14,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 175 treesize of output 224 [2022-11-26 01:02:16,668 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:16,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-26 01:02:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:17,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-26 01:02:17,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,153 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,181 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:17,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-26 01:02:17,329 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:17,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:02:17,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,783 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:17,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:02:17,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:17,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:02:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:18,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-26 01:02:18,162 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:18,899 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:02:18,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 19 [2022-11-26 01:02:19,069 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-11-26 01:02:19,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2881 treesize of output 2822 [2022-11-26 01:02:19,436 INFO L321 Elim1Store]: treesize reduction 51, result has 41.4 percent of original size [2022-11-26 01:02:19,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 3064 treesize of output 3075 [2022-11-26 01:02:21,276 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,328 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:21,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,486 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:21,548 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,595 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:21,831 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,873 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:21,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:21,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:21,981 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:22,095 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,116 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,140 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:22,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:22,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,421 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:22,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,498 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,552 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:22,597 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,624 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,647 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:22,821 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,860 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:22,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:22,917 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:22,988 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:23,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:23,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:23,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:23,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:23,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-26 01:02:23,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-26 01:02:23,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1140 treesize of output 1141 [2022-11-26 01:02:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,560 INFO L321 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-11-26 01:02:23,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 864 treesize of output 756 [2022-11-26 01:02:23,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:23,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 348 [2022-11-26 01:02:24,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:24,211 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-26 01:02:24,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 377 treesize of output 388 [2022-11-26 01:02:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:02:24,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 368 [2022-11-26 01:02:24,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:24,988 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:25,134 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:25,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:25,484 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:26,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:26,202 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:02:32,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 01:02:32,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:32,807 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 01:02:32,814 INFO L158 Benchmark]: Toolchain (without parser) took 82841.79ms. Allocated memory was 138.4MB in the beginning and 377.5MB in the end (delta: 239.1MB). Free memory was 98.5MB in the beginning and 135.3MB in the end (delta: -36.8MB). Peak memory consumption was 220.1MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,814 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:32,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.99ms. Allocated memory is still 138.4MB. Free memory was 98.5MB in the beginning and 88.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.89ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,815 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,815 INFO L158 Benchmark]: RCFGBuilder took 540.51ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 66.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,815 INFO L158 Benchmark]: TraceAbstraction took 81958.04ms. Allocated memory was 138.4MB in the beginning and 377.5MB in the end (delta: 239.1MB). Free memory was 65.4MB in the beginning and 135.3MB in the end (delta: -69.9MB). Peak memory consumption was 186.5MB. Max. memory is 16.1GB. [2022-11-26 01:02:32,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.99ms. Allocated memory is still 138.4MB. Free memory was 98.5MB in the beginning and 88.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.89ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.51ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 66.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 81958.04ms. Allocated memory was 138.4MB in the beginning and 377.5MB in the end (delta: 239.1MB). Free memory was 65.4MB in the beginning and 135.3MB in the end (delta: -69.9MB). Peak memory consumption was 186.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-26 01:02:32,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:02:35,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:02:35,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:02:35,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:02:35,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:02:35,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:02:35,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:02:35,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:02:35,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:02:35,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:02:35,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:02:35,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:02:35,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:02:35,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:02:35,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:02:35,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:02:35,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:02:35,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:02:35,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:02:35,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:02:35,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:02:35,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:02:35,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:02:35,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:02:35,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:02:35,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:02:35,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:02:35,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:02:35,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:02:35,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:02:35,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:02:35,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:02:35,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:02:35,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:02:35,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:02:35,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:02:35,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:02:35,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:02:35,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:02:35,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:02:35,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:02:35,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-26 01:02:35,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:02:35,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:02:35,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:02:35,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:02:35,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:02:35,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:02:35,540 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:02:35,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:02:35,540 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:02:35,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:02:35,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:02:35,542 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:02:35,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:02:35,542 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:02:35,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:02:35,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:02:35,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:02:35,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:02:35,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:02:35,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:02:35,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:02:35,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:02:35,544 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:02:35,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:02:35,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:02:35,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:02:35,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:02:35,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:02:35,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:02:35,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:02:35,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:02:35,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:35,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:02:35,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:02:35,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:02:35,547 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:02:35,547 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:02:35,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:02:35,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:02:35,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:02:35,548 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e [2022-11-26 01:02:35,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:02:35,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:02:35,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:02:35,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:02:35,986 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:02:35,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-26 01:02:39,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:02:39,323 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:02:39,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-26 01:02:39,330 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/ca8f3aec3/da91eb5877e84fdaa51e0e65d3fcde83/FLAG109801717 [2022-11-26 01:02:39,346 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/data/ca8f3aec3/da91eb5877e84fdaa51e0e65d3fcde83 [2022-11-26 01:02:39,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:02:39,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:02:39,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:39,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:02:39,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:02:39,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d1fb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39, skipping insertion in model container [2022-11-26 01:02:39,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:39,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:39,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-26 01:02:39,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:39,684 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 01:02:39,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:39,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-26 01:02:39,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:39,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:02:39,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-26 01:02:39,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:02:39,794 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:02:39,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39 WrapperNode [2022-11-26 01:02:39,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:39,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:39,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:02:39,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:02:39,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,895 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-11-26 01:02:39,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:02:39,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:02:39,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:02:39,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:02:39,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:02:39,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:02:39,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:02:39,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:02:39,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (1/1) ... [2022-11-26 01:02:39,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:39,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:40,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:02:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:02:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:02:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:02:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:02:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:02:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:02:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 01:02:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:02:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:02:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 01:02:40,218 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:02:40,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:02:40,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:02:40,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:02:40,538 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:02:40,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:40 BoogieIcfgContainer [2022-11-26 01:02:40,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:02:40,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:02:40,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:02:40,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:02:40,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:02:39" (1/3) ... [2022-11-26 01:02:40,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7740f748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:40, skipping insertion in model container [2022-11-26 01:02:40,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:39" (2/3) ... [2022-11-26 01:02:40,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7740f748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:02:40, skipping insertion in model container [2022-11-26 01:02:40,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:40" (3/3) ... [2022-11-26 01:02:40,551 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2022-11-26 01:02:40,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:02:40,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 01:02:40,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:02:40,632 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@279e9bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:02:40,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 01:02:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:02:40,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:40,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:40,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:40,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash 224521191, now seen corresponding path program 1 times [2022-11-26 01:02:40,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:40,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649258216] [2022-11-26 01:02:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:40,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:40,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:40,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:40,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 01:02:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:40,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 01:02:40,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:40,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:40,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:40,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649258216] [2022-11-26 01:02:40,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649258216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:40,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:40,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:02:40,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296345466] [2022-11-26 01:02:40,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:40,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:02:40,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:40,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:02:40,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:02:40,856 INFO L87 Difference]: Start difference. First operand has 26 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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) [2022-11-26 01:02:40,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:40,874 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-11-26 01:02:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:02:40,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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) Word has length 8 [2022-11-26 01:02:40,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:40,887 INFO L225 Difference]: With dead ends: 40 [2022-11-26 01:02:40,888 INFO L226 Difference]: Without dead ends: 19 [2022-11-26 01:02:40,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:02:40,901 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:40,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:02:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-26 01:02:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-26 01:02:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-26 01:02:40,950 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 8 [2022-11-26 01:02:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:40,951 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-26 01:02:40,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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) [2022-11-26 01:02:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-26 01:02:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 01:02:40,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:40,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:40,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:41,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:41,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:41,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:41,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1629777584, now seen corresponding path program 1 times [2022-11-26 01:02:41,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:41,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062286470] [2022-11-26 01:02:41,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:41,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:41,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:41,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:41,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 01:02:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:41,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:02:41,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:41,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:41,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:41,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062286470] [2022-11-26 01:02:41,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062286470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:41,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:41,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:41,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130009536] [2022-11-26 01:02:41,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:41,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:41,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:41,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:41,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:41,282 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-26 01:02:41,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:41,335 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2022-11-26 01:02:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Word has length 9 [2022-11-26 01:02:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:41,337 INFO L225 Difference]: With dead ends: 44 [2022-11-26 01:02:41,337 INFO L226 Difference]: Without dead ends: 35 [2022-11-26 01:02:41,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:41,338 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 16 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:41,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 29 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:02:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-26 01:02:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2022-11-26 01:02:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-26 01:02:41,345 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 9 [2022-11-26 01:02:41,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:41,346 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-26 01:02:41,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-26 01:02:41,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-26 01:02:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 01:02:41,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:41,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:41,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:41,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:41,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:41,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:41,560 INFO L85 PathProgramCache]: Analyzing trace with hash -360921297, now seen corresponding path program 1 times [2022-11-26 01:02:41,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:41,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296130087] [2022-11-26 01:02:41,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:41,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:41,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:41,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:41,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 01:02:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:41,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:02:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:41,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:41,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:41,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296130087] [2022-11-26 01:02:41,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296130087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:41,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:41,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10229263] [2022-11-26 01:02:41,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:41,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:41,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:41,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:41,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:02:41,749 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-26 01:02:41,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:41,844 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-26 01:02:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:41,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) Word has length 9 [2022-11-26 01:02:41,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:41,846 INFO L225 Difference]: With dead ends: 35 [2022-11-26 01:02:41,846 INFO L226 Difference]: Without dead ends: 34 [2022-11-26 01:02:41,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:02:41,848 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:41,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-26 01:02:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2022-11-26 01:02:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-26 01:02:41,855 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 9 [2022-11-26 01:02:41,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:41,856 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-26 01:02:41,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-26 01:02:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-26 01:02:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 01:02:41,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:41,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:41,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:42,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:42,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash -252868285, now seen corresponding path program 1 times [2022-11-26 01:02:42,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:42,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370254645] [2022-11-26 01:02:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:42,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 01:02:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:42,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:02:42,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:42,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:42,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:42,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370254645] [2022-11-26 01:02:42,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370254645] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:42,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2113941123] [2022-11-26 01:02:42,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:42,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:02:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:02:42,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:02:42,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-26 01:02:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:42,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:02:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:42,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:42,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2113941123] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:42,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257278420] [2022-11-26 01:02:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:42,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:42,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:42,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:42,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:02:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:42,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:02:42,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:02:42,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:42,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257278420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:42,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-26 01:02:42,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 9 [2022-11-26 01:02:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678352687] [2022-11-26 01:02:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:42,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:02:42,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:42,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:02:42,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:02:42,800 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2022-11-26 01:02:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:42,889 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-26 01:02:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:02:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-26 01:02:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:42,897 INFO L225 Difference]: With dead ends: 34 [2022-11-26 01:02:42,898 INFO L226 Difference]: Without dead ends: 33 [2022-11-26 01:02:42,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:02:42,901 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:42,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-26 01:02:42,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-26 01:02:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-11-26 01:02:42,918 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 16 [2022-11-26 01:02:42,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:42,919 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-11-26 01:02:42,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2022-11-26 01:02:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-26 01:02:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 01:02:42,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:42,923 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-26 01:02:42,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:43,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:43,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:43,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:43,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:43,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1015988002, now seen corresponding path program 1 times [2022-11-26 01:02:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:43,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542350772] [2022-11-26 01:02:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:43,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:43,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:43,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:43,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-26 01:02:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:43,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:02:43,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:43,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:43,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:43,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542350772] [2022-11-26 01:02:43,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542350772] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:43,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1723451808] [2022-11-26 01:02:43,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:43,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:02:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:02:43,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:02:43,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-11-26 01:02:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:44,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:02:44,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:44,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:44,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1723451808] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:44,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817536315] [2022-11-26 01:02:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:44,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:44,228 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:44,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 01:02:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:44,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:02:44,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:44,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:44,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817536315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:44,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 01:02:44,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2022-11-26 01:02:44,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876948693] [2022-11-26 01:02:44,495 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 01:02:44,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:02:44,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:44,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:02:44,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:02:44,505 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:44,766 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-11-26 01:02:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:02:44,767 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 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 16 [2022-11-26 01:02:44,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:44,768 INFO L225 Difference]: With dead ends: 58 [2022-11-26 01:02:44,768 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 01:02:44,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-26 01:02:44,770 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 49 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:44,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 81 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 01:02:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2022-11-26 01:02:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-11-26 01:02:44,777 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 16 [2022-11-26 01:02:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:44,777 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-11-26 01:02:44,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-26 01:02:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 01:02:44,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:44,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:44,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-26 01:02:44,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:45,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:45,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:45,387 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 01:02:45,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1803659031, now seen corresponding path program 1 times [2022-11-26 01:02:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:45,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700316800] [2022-11-26 01:02:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:45,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:45,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:45,389 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:45,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-26 01:02:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:45,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:02:45,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:02:45,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:02:45,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:45,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700316800] [2022-11-26 01:02:45,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700316800] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:45,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [666960346] [2022-11-26 01:02:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:45,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:02:45,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:02:45,771 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:02:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2022-11-26 01:02:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:46,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:02:46,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:02:46,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:02:46,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [666960346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:46,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639945368] [2022-11-26 01:02:46,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:46,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:46,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:46,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 01:02:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:46,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:02:46,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:02:46,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:02:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:02:46,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639945368] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:02:46,550 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 01:02:46,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 5, 5] total 18 [2022-11-26 01:02:46,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540853270] [2022-11-26 01:02:46,551 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 01:02:46,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-26 01:02:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-26 01:02:46,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2022-11-26 01:02:46,553 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:47,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:47,241 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2022-11-26 01:02:47,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 01:02:47,242 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-26 01:02:47,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:47,242 INFO L225 Difference]: With dead ends: 83 [2022-11-26 01:02:47,242 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:02:47,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-11-26 01:02:47,244 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 170 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:47,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 254 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:02:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:02:47,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:02:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:02:47,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-26 01:02:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:47,246 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:02:47,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:02:47,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:02:47,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-26 01:02:47,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-26 01:02:47,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-26 01:02:47,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-26 01:02:47,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:47,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:47,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:47,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:47,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 01:02:47,939 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:02:47,939 INFO L895 garLoopResultBuilder]: At program point L27(lines 24 28) the Hoare annotation is: (bvslt |ULTIMATE.start_main_~i~0#1| (_ bv100000 32)) [2022-11-26 01:02:47,939 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 43) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 45) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 01:02:47,940 INFO L899 garLoopResultBuilder]: For program point L32-4(line 32) no Hoare annotation was computed. [2022-11-26 01:02:47,941 INFO L895 garLoopResultBuilder]: At program point L32-5(lines 32 45) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_main_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-26 01:02:47,941 INFO L899 garLoopResultBuilder]: For program point L32-6(lines 32 45) no Hoare annotation was computed. [2022-11-26 01:02:47,941 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 52) no Hoare annotation was computed. [2022-11-26 01:02:47,941 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-26 01:02:47,941 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-11-26 01:02:47,941 INFO L899 garLoopResultBuilder]: For program point L16-3(line 16) no Hoare annotation was computed. [2022-11-26 01:02:47,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-26 01:02:47,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 01:02:47,942 INFO L902 garLoopResultBuilder]: At program point L54(lines 29 55) the Hoare annotation is: true [2022-11-26 01:02:47,942 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 46 53) no Hoare annotation was computed. [2022-11-26 01:02:47,942 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-26 01:02:47,942 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2022-11-26 01:02:47,943 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 53) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_main_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-26 01:02:47,943 INFO L899 garLoopResultBuilder]: For program point L46-6(lines 46 53) no Hoare annotation was computed. [2022-11-26 01:02:47,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-26 01:02:47,946 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 01:02:47,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:02:47,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:02:47 BoogieIcfgContainer [2022-11-26 01:02:47,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:02:47,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:02:47,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:02:47,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:02:47,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:02:40" (3/4) ... [2022-11-26 01:02:47,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:02:47,979 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-26 01:02:47,980 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 01:02:47,980 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:02:47,980 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:02:48,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:02:48,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:02:48,027 INFO L158 Benchmark]: Toolchain (without parser) took 8676.44ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 46.9MB in the beginning and 79.8MB in the end (delta: -32.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-26 01:02:48,028 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:48,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.70ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 34.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 01:02:48,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.6MB in the beginning and 73.8MB in the end (delta: -39.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-26 01:02:48,029 INFO L158 Benchmark]: Boogie Preprocessor took 56.27ms. Allocated memory is still 94.4MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:48,029 INFO L158 Benchmark]: RCFGBuilder took 584.08ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 58.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 01:02:48,030 INFO L158 Benchmark]: TraceAbstraction took 7417.84ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.8MB in the beginning and 82.9MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:48,030 INFO L158 Benchmark]: Witness Printer took 64.86ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:02:48,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.70ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 34.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.6MB in the beginning and 73.8MB in the end (delta: -39.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.27ms. Allocated memory is still 94.4MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.08ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 58.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7417.84ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.8MB in the beginning and 82.9MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.86ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 471 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 115 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=4, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 16 HoareAnnotationTreeSize, 4 FomulaSimplifications, 123 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 1060 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1186 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 39/131 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-26 01:02:48,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984d8b1-5630-4eaa-b346-cf877c16143c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE