./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:04:41,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:04:41,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:04:41,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:04:41,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:04:41,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:04:41,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:04:41,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:04:41,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:04:41,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:04:41,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:04:41,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:04:41,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:04:41,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:04:41,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:04:41,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:04:41,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:04:41,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:04:41,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:04:41,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:04:41,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:04:41,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:04:41,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:04:41,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:04:41,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:04:41,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:04:41,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:04:41,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:04:41,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:04:41,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:04:41,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:04:41,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:04:41,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:04:41,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:04:41,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:04:41,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:04:41,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:04:41,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:04:41,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:04:41,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:04:41,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:04:41,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:04:41,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:04:41,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:04:41,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:04:41,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:04:41,302 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:04:41,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:04:41,303 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:04:41,303 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:04:41,303 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:04:41,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:04:41,311 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:04:41,311 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:04:41,311 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:04:41,312 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:04:41,312 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:04:41,312 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:04:41,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:04:41,313 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:04:41,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:04:41,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:04:41,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:04:41,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:04:41,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:04:41,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:04:41,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:04:41,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:04:41,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:04:41,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:04:41,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:04:41,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:04:41,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:04:41,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:41,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:04:41,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:04:41,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:04:41,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:04:41,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:04:41,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:04:41,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:04:41,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:04:41,319 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 [2021-11-12 23:04:41,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:04:41,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:04:41,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:04:41,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:04:41,674 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:04:41,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2021-11-12 23:04:41,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/data/9cc776c63/6b7ac263486044d08e98d5b963b4f697/FLAG19a886c38 [2021-11-12 23:04:42,174 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:04:42,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2021-11-12 23:04:42,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/data/9cc776c63/6b7ac263486044d08e98d5b963b4f697/FLAG19a886c38 [2021-11-12 23:04:42,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/data/9cc776c63/6b7ac263486044d08e98d5b963b4f697 [2021-11-12 23:04:42,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:04:42,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:04:42,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:42,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:04:42,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:04:42,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c3b5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42, skipping insertion in model container [2021-11-12 23:04:42,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:04:42,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:04:42,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/sv-benchmarks/c/array-industry-pattern/array_monotonic.i[808,821] [2021-11-12 23:04:42,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:04:42,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:04:42,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/sv-benchmarks/c/array-industry-pattern/array_monotonic.i[808,821] [2021-11-12 23:04:42,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:04:42,865 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:04:42,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42 WrapperNode [2021-11-12 23:04:42,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:42,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:04:42,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:04:42,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:04:42,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:04:42,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:04:42,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:04:42,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:04:42,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:04:42,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:04:42,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:04:42,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:04:42,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (1/1) ... [2021-11-12 23:04:42,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:42,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:42,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:04:43,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:04:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:04:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:04:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:04:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:04:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:04:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:04:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:04:43,315 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:04:43,316 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:04:43,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:43 BoogieIcfgContainer [2021-11-12 23:04:43,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:04:43,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:04:43,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:04:43,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:04:43,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:04:42" (1/3) ... [2021-11-12 23:04:43,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f83f84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:43, skipping insertion in model container [2021-11-12 23:04:43,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:42" (2/3) ... [2021-11-12 23:04:43,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f83f84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:43, skipping insertion in model container [2021-11-12 23:04:43,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:43" (3/3) ... [2021-11-12 23:04:43,327 INFO L111 eAbstractionObserver]: Analyzing ICFG array_monotonic.i [2021-11-12 23:04:43,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:04:43,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:04:43,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:43,404 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:43,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:04:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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) [2021-11-12 23:04:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:04:43,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:43,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:04:43,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:43,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:43,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1778400279, now seen corresponding path program 1 times [2021-11-12 23:04:43,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:43,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478421124] [2021-11-12 23:04:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:43,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:43,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:43,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478421124] [2021-11-12 23:04:43,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478421124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:43,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:43,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:04:43,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291250295] [2021-11-12 23:04:43,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:43,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:43,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:43,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:43,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:43,757 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:43,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:43,834 INFO L93 Difference]: Finished difference Result 26 states and 35 transitions. [2021-11-12 23:04:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:43,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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 [2021-11-12 23:04:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:43,847 INFO L225 Difference]: With dead ends: 26 [2021-11-12 23:04:43,848 INFO L226 Difference]: Without dead ends: 17 [2021-11-12 23:04:43,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:43,857 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.81ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:43,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 14 Unknown, 0 Unchecked, 0.81ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 55.51ms Time] [2021-11-12 23:04:43,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-12 23:04:43,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 10. [2021-11-12 23:04:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-12 23:04:43,894 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 6 [2021-11-12 23:04:43,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:43,895 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-12 23:04:43,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-12 23:04:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:04:43,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:43,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:43,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:04:43,898 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:43,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 816743480, now seen corresponding path program 1 times [2021-11-12 23:04:43,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:43,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812675283] [2021-11-12 23:04:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:43,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:44,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:44,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812675283] [2021-11-12 23:04:44,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812675283] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:04:44,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19274456] [2021-11-12 23:04:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:44,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:44,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:44,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:04:44,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:04:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:44,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:04:44,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:44,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:44,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19274456] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:04:44,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1509499329] [2021-11-12 23:04:44,248 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:04:44,264 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:04:44,269 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:04:44,274 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:04:44,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:04:44,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:04:44,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:04:44,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:04:44,375 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_29|]} [2021-11-12 23:04:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:04:44,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:44,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:44,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:44,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,504 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:04:44,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:04:44,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:44,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:44,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:44,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:04:44,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:04:44,541 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:04:44,554 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-12 23:04:44,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:44,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:04:44,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:04:44,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:44,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:04:44,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:04:44,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:04:44,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:04:44,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:04:44,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:04:44,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:04:44,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:44,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:44,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:04:44,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:04:44,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:04:44,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-12 23:04:44,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:04:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:04:44,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:44,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:44,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:44,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:04:44,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:04:44,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:04:44,752 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:44,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-12 23:04:44,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:44,812 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:311, output treesize:304 [2021-11-12 23:04:44,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:44,918 INFO L180 QuantifierPusher]: treesize reduction 36, result has 76.6 percent of original size [2021-11-12 23:04:44,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:44,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:44,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:44,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,964 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:44,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:44,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:44,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:44,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:44,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:44,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:44,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:44,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:44,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:44,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:45,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:04:45,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:45,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:45,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:45,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:45,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:45,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:45,071 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:45,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:45,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:45,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:45,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:45,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:45,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:45,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:04:45,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:45,092 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:148 [2021-11-12 23:04:45,098 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:04:45,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:04:45,114 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-12 23:04:45,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:45,126 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:04:45,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:04:45,474 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:04:45,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-12 23:04:45,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370592032] [2021-11-12 23:04:45,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:04:45,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:04:45,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:04:45,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:04:45,477 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:45,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:45,546 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2021-11-12 23:04:45,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:04:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:04:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:45,548 INFO L225 Difference]: With dead ends: 42 [2021-11-12 23:04:45,548 INFO L226 Difference]: Without dead ends: 35 [2021-11-12 23:04:45,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:04:45,550 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 42 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:45,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 20 Invalid, 30 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 41.91ms Time] [2021-11-12 23:04:45,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-12 23:04:45,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 13. [2021-11-12 23:04:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 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) [2021-11-12 23:04:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-12 23:04:45,555 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2021-11-12 23:04:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:45,563 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-12 23:04:45,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-12 23:04:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:04:45,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:45,564 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:45,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:45,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:45,780 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:45,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash 735371177, now seen corresponding path program 2 times [2021-11-12 23:04:45,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:45,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512501317] [2021-11-12 23:04:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:45,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:45,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:45,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512501317] [2021-11-12 23:04:45,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512501317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:04:45,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317759663] [2021-11-12 23:04:45,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:04:45,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:45,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:04:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:04:45,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-12 23:04:45,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:04:45,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:04:45,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:45,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:46,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317759663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:04:46,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1404151361] [2021-11-12 23:04:46,088 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:04:46,088 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:04:46,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:04:46,089 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:04:46,089 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:04:46,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:04:46,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:04:46,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:04:46,120 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_30|]} [2021-11-12 23:04:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:04:46,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:46,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:46,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,219 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:04:46,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:04:46,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:46,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:46,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:04:46,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:04:46,244 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-12 23:04:46,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:46,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:04:46,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:04:46,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:04:46,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:04:46,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:04:46,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-12 23:04:46,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:04:46,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:04:46,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:04:46,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:46,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:04:46,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:04:46,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:04:46,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:04:46,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:04:46,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 23:04:46,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:04:46,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:04:46,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:04:46,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:46,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:04:46,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:46,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:46,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-12 23:04:46,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:46,443 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:287, output treesize:275 [2021-11-12 23:04:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:46,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:46,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:46,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:46,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:46,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-12 23:04:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:46,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,584 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:46,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,603 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:46,666 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:46,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:46,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,670 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:46,697 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:46,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:46,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,751 INFO L180 QuantifierPusher]: treesize reduction 176, result has 59.1 percent of original size [2021-11-12 23:04:46,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-12 23:04:46,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-12 23:04:46,757 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:465, output treesize:283 [2021-11-12 23:04:46,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,808 INFO L180 QuantifierPusher]: treesize reduction 36, result has 76.6 percent of original size [2021-11-12 23:04:46,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:46,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:46,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:46,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:46,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:46,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:46,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:46,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:46,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:04:46,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:46,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:46,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:46,898 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:46,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:46,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:46,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:46,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:46,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:46,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:04:46,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:46,914 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:148 [2021-11-12 23:04:46,920 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:04:46,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:04:46,927 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-12 23:04:46,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:46,936 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:04:47,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:04:47,213 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:04:47,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-12 23:04:47,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111995092] [2021-11-12 23:04:47,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:04:47,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:04:47,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:47,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:04:47,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=166, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:04:47,216 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:47,331 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2021-11-12 23:04:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:04:47,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:04:47,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:47,337 INFO L225 Difference]: With dead ends: 90 [2021-11-12 23:04:47,338 INFO L226 Difference]: Without dead ends: 83 [2021-11-12 23:04:47,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=166, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:04:47,342 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 98 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.47ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:47,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 55 Invalid, 69 Unknown, 0 Unchecked, 3.47ms Time], IncrementalHoareTripleChecker [21 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 82.38ms Time] [2021-11-12 23:04:47,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-12 23:04:47,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 19. [2021-11-12 23:04:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-12 23:04:47,358 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 10 [2021-11-12 23:04:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:47,358 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-12 23:04:47,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-12 23:04:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:04:47,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:47,359 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:47,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:47,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:47,576 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:47,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:47,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2010531145, now seen corresponding path program 3 times [2021-11-12 23:04:47,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:47,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736946136] [2021-11-12 23:04:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:47,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:47,713 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:47,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736946136] [2021-11-12 23:04:47,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736946136] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:04:47,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106199246] [2021-11-12 23:04:47,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:04:47,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:47,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:47,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:04:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:04:47,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:04:47,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:04:47,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:04:47,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:47,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:48,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106199246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:04:48,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [4153055] [2021-11-12 23:04:48,075 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:04:48,076 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:04:48,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:04:48,076 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:04:48,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:04:48,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:04:48,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:04:48,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:04:48,090 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_31|]} [2021-11-12 23:04:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:04:48,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:48,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:48,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,147 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:04:48,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:04:48,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:48,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:48,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:04:48,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,162 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:04:48,166 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-12 23:04:48,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:48,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:04:48,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:04:48,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:04:48,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:04:48,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:04:48,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-12 23:04:48,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:04:48,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:04:48,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:04:48,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:04:48,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:48,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:04:48,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:04:48,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:04:48,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:04:48,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 23:04:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-12 23:04:48,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:04:48,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:04:48,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:48,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:04:48,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:48,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:04:48,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-12 23:04:48,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:48,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:287, output treesize:275 [2021-11-12 23:04:48,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:48,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:48,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:48,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:48,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:48,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-12 23:04:48,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:48,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:48,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,385 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:48,441 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:48,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:48,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,443 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:48,464 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:48,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:48,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,467 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,499 INFO L180 QuantifierPusher]: treesize reduction 176, result has 59.1 percent of original size [2021-11-12 23:04:48,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-12 23:04:48,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-12 23:04:48,504 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:465, output treesize:283 [2021-11-12 23:04:48,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,545 INFO L180 QuantifierPusher]: treesize reduction 36, result has 76.6 percent of original size [2021-11-12 23:04:48,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:48,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:48,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:48,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:48,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:48,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:48,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:48,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:48,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:04:48,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:48,597 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:48,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:48,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:48,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:48,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:48,614 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:48,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:48,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:04:48,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:48,626 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:148 [2021-11-12 23:04:48,631 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:04:48,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:04:48,637 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-12 23:04:48,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:48,643 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:04:48,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:04:48,909 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:04:48,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2021-11-12 23:04:48,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080119677] [2021-11-12 23:04:48,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:04:48,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-12 23:04:48,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:48,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-12 23:04:48,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=460, Unknown=0, NotChecked=0, Total=870 [2021-11-12 23:04:48,912 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:49,146 INFO L93 Difference]: Finished difference Result 186 states and 222 transitions. [2021-11-12 23:04:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-12 23:04:49,146 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 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) Word has length 16 [2021-11-12 23:04:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:49,148 INFO L225 Difference]: With dead ends: 186 [2021-11-12 23:04:49,148 INFO L226 Difference]: Without dead ends: 179 [2021-11-12 23:04:49,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=410, Invalid=460, Unknown=0, NotChecked=0, Total=870 [2021-11-12 23:04:49,150 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 434 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.49ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:49,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 115 Invalid, 173 Unknown, 0 Unchecked, 4.49ms Time], IncrementalHoareTripleChecker [77 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 153.42ms Time] [2021-11-12 23:04:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-11-12 23:04:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 31. [2021-11-12 23:04:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-11-12 23:04:49,158 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 16 [2021-11-12 23:04:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:49,159 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-11-12 23:04:49,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-11-12 23:04:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-12 23:04:49,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:49,160 INFO L514 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:49,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:49,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-12 23:04:49,373 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:49,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash -95229815, now seen corresponding path program 4 times [2021-11-12 23:04:49,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:49,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475440828] [2021-11-12 23:04:49,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:49,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:49,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:49,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475440828] [2021-11-12 23:04:49,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475440828] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:04:49,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136171257] [2021-11-12 23:04:49,744 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:04:49,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:49,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:04:49,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:04:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:49,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-12 23:04:49,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:49,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:50,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136171257] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:04:50,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1499656935] [2021-11-12 23:04:50,707 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:04:50,707 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:04:50,708 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:04:50,708 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:04:50,708 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:04:50,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:04:50,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:04:50,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:04:50,721 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_32|]} [2021-11-12 23:04:50,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:04:50,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:50,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:04:50,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:50,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,781 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:04:50,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:04:50,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:50,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:50,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:50,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:04:50,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:04:50,797 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-12 23:04:50,802 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size [2021-11-12 23:04:50,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:50,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:04:50,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:04:50,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:50,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:04:50,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:04:50,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:04:50,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:04:50,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:04:50,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:04:50,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:04:50,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:04:50,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:50,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:50,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:04:50,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:04:50,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-12 23:04:50,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:04:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-12 23:04:50,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:04:50,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:04:50,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:04:50,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:04:50,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:50,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:50,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:50,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-12 23:04:50,920 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:50,920 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:311, output treesize:304 [2021-11-12 23:04:50,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:50,956 INFO L180 QuantifierPusher]: treesize reduction 36, result has 76.6 percent of original size [2021-11-12 23:04:50,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:50,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:50,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:04:50,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:50,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:50,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:04:50,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:50,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:04:50,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-12 23:04:50,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:04:50,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:04:50,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:50,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:04:50,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-12 23:04:50,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 23:04:51,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:04:51,016 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:04:51,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-12 23:04:51,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:51,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:04:51,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:51,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:51,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:04:51,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:51,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:04:51,032 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:04:51,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:04:51,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:04:51,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:04:51,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:04:51,048 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:148 [2021-11-12 23:04:51,053 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-12 23:04:51,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:04:51,060 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-12 23:04:51,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-12 23:04:51,072 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:04:51,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:04:51,341 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:04:51,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2021-11-12 23:04:51,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875922158] [2021-11-12 23:04:51,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:04:51,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-12 23:04:51,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:51,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-12 23:04:51,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1382, Invalid=1480, Unknown=0, NotChecked=0, Total=2862 [2021-11-12 23:04:51,345 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:52,061 INFO L93 Difference]: Finished difference Result 378 states and 450 transitions. [2021-11-12 23:04:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-12 23:04:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 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 [2021-11-12 23:04:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:52,066 INFO L225 Difference]: With dead ends: 378 [2021-11-12 23:04:52,066 INFO L226 Difference]: Without dead ends: 371 [2021-11-12 23:04:52,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1382, Invalid=1480, Unknown=0, NotChecked=0, Total=2862 [2021-11-12 23:04:52,070 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 945 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 205.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.95ms SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:52,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [945 Valid, 235 Invalid, 354 Unknown, 0 Unchecked, 6.95ms Time], IncrementalHoareTripleChecker [162 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 265.10ms Time] [2021-11-12 23:04:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-12 23:04:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 55. [2021-11-12 23:04:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2021-11-12 23:04:52,094 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 28 [2021-11-12 23:04:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:52,094 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2021-11-12 23:04:52,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2021-11-12 23:04:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:04:52,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:52,098 INFO L514 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:52,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:52,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-11-12 23:04:52,321 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:52,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1280020233, now seen corresponding path program 5 times [2021-11-12 23:04:52,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:52,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008551310] [2021-11-12 23:04:52,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:52,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:53,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:53,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008551310] [2021-11-12 23:04:53,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008551310] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:04:53,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191386337] [2021-11-12 23:04:53,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:04:53,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:04:53,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:53,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:04:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4463fbab-09f4-4adb-9993-5b9eb754200e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process