./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c --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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:54:29,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:54:29,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:54:29,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:54:29,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:54:29,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:54:29,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:54:29,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:54:29,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:54:29,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:54:29,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:54:29,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:54:29,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:54:29,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:54:29,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:54:29,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:54:29,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:54:29,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:54:29,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:54:29,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:54:29,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:54:29,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:54:29,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:54:29,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:54:29,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:54:29,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:54:29,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:54:29,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:54:29,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:54:29,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:54:29,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:54:29,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:54:29,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:54:29,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:54:29,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:54:29,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:54:29,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:54:29,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:54:29,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:54:29,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:54:29,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:54:29,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:54:29,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:54:29,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:54:29,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:54:29,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:54:29,209 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:54:29,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:54:29,210 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:54:29,210 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:54:29,210 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:54:29,210 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:54:29,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:54:29,211 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:54:29,211 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:54:29,211 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:54:29,211 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:54:29,211 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:54:29,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:54:29,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:54:29,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:54:29,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:54:29,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:54:29,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:54:29,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:54:29,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:54:29,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:54:29,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:54:29,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:54:29,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:54:29,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:54:29,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:54:29,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:54:29,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:54:29,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:54:29,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:54:29,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:54:29,216 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:54:29,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:54:29,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:54:29,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:54:29,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:54:29,217 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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2021-11-12 23:54:29,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:54:29,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:54:29,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:54:29,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:54:29,545 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:54:29,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2021-11-12 23:54:29,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/data/2abb482fb/ad6fb36257d948a58a916cd11acd0553/FLAGc9be5a364 [2021-11-12 23:54:30,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:54:30,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2021-11-12 23:54:30,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/data/2abb482fb/ad6fb36257d948a58a916cd11acd0553/FLAGc9be5a364 [2021-11-12 23:54:30,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/data/2abb482fb/ad6fb36257d948a58a916cd11acd0553 [2021-11-12 23:54:30,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:54:30,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:54:30,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:54:30,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:54:30,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:54:30,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76167537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30, skipping insertion in model container [2021-11-12 23:54:30,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:54:30,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:54:30,754 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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2021-11-12 23:54:30,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:54:30,775 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:54:30,787 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_e127a2d1-eadd-4ac3-8a5b-902c039321ea/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2021-11-12 23:54:30,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:54:30,806 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:54:30,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30 WrapperNode [2021-11-12 23:54:30,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:54:30,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:54:30,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:54:30,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:54:30,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:54:30,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:54:30,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:54:30,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:54:30,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:54:30,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:54:30,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:54:30,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:54:30,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (1/1) ... [2021-11-12 23:54:30,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:54:30,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:30,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:54:30,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:54:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:54:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:54:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:54:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:54:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:54:30,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:54:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:54:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:54:31,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:54:31,280 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:54:31,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:54:31 BoogieIcfgContainer [2021-11-12 23:54:31,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:54:31,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:54:31,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:54:31,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:54:31,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:54:30" (1/3) ... [2021-11-12 23:54:31,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7299d107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:54:31, skipping insertion in model container [2021-11-12 23:54:31,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:54:30" (2/3) ... [2021-11-12 23:54:31,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7299d107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:54:31, skipping insertion in model container [2021-11-12 23:54:31,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:54:31" (3/3) ... [2021-11-12 23:54:31,294 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound20.c [2021-11-12 23:54:31,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:54:31,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:54:31,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:54:31,380 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 23:54:31,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:54:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:54:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:54:31,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:31,417 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:31,418 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:54:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:31,424 INFO L85 PathProgramCache]: Analyzing trace with hash 375362447, now seen corresponding path program 1 times [2021-11-12 23:54:31,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:54:31,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622591104] [2021-11-12 23:54:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:31,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:54:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:54:31,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:54:31,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622591104] [2021-11-12 23:54:31,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622591104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:54:31,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:54:31,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:54:31,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731289422] [2021-11-12 23:54:31,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:54:31,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:54:31,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:54:31,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:54:31,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:54:31,741 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:54:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:31,770 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-11-12 23:54:31,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:54:31,772 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-11-12 23:54:31,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:31,780 INFO L225 Difference]: With dead ends: 30 [2021-11-12 23:54:31,780 INFO L226 Difference]: Without dead ends: 16 [2021-11-12 23:54:31,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:54:31,788 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:31,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 10.87ms Time] [2021-11-12 23:54:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-12 23:54:31,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-12 23:54:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:54:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-12 23:54:31,826 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2021-11-12 23:54:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:31,828 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-12 23:54:31,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:54:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-12 23:54:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:54:31,830 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:31,830 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:31,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:54:31,830 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:54:31,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:31,831 INFO L85 PathProgramCache]: Analyzing trace with hash 328203294, now seen corresponding path program 1 times [2021-11-12 23:54:31,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:54:31,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726978548] [2021-11-12 23:54:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:31,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:54:31,847 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:54:31,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564731086] [2021-11-12 23:54:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:31,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:31,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:54:31,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:54:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:31,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:54:31,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:54:32,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:54:32,402 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:54:32,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726978548] [2021-11-12 23:54:32,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:54:32,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564731086] [2021-11-12 23:54:32,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564731086] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:54:32,408 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:54:32,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 5] imperfect sequences [] total 9 [2021-11-12 23:54:32,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990808845] [2021-11-12 23:54:32,409 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:54:32,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:54:32,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:54:32,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:54:32,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:54:32,423 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:54:32,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:32,548 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-11-12 23:54:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:54:32,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 13 [2021-11-12 23:54:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:32,554 INFO L225 Difference]: With dead ends: 26 [2021-11-12 23:54:32,554 INFO L226 Difference]: Without dead ends: 22 [2021-11-12 23:54:32,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:54:32,559 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.19ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.56ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:32,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 54 Invalid, 67 Unknown, 0 Unchecked, 7.19ms Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 73.56ms Time] [2021-11-12 23:54:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-12 23:54:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-11-12 23:54:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:54:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-11-12 23:54:32,581 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2021-11-12 23:54:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:32,581 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-11-12 23:54:32,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:54:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-12 23:54:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:54:32,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:32,583 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:32,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:32,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:32,806 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:54:32,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash 927627110, now seen corresponding path program 1 times [2021-11-12 23:54:32,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:54:32,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517240492] [2021-11-12 23:54:32,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:32,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:54:32,819 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:54:32,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685782299] [2021-11-12 23:54:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:32,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:32,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:32,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:54:32,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:54:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:54:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:54:33,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:54:33,192 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:54:33,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517240492] [2021-11-12 23:54:33,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:54:33,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685782299] [2021-11-12 23:54:33,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685782299] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:54:33,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [454430130] [2021-11-12 23:54:33,215 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-12 23:54:33,215 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:54:33,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:54:33,225 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:54:33,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:54:33,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:54:33,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:54:33,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:33,311 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-12 23:54:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:54:33,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:33,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:33,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:54:33,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:33,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:54:33,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:54:33,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:54:33,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:54:33,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:33,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:54:33,443 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:107 [2021-11-12 23:54:33,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:33,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:33,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,503 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:54:33,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:33,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:33,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,542 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:54:33,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,765 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:33,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:33,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:33,804 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:54:33,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:54:33,830 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:33,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:33,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:33,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:33,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:33,851 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:54:33,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:54:33,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:33,942 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:54:33,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:33,966 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:54:33,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:33,990 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:54:33,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:34,008 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:54:34,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:34,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,145 INFO L180 QuantifierPusher]: treesize reduction 51, result has 76.2 percent of original size [2021-11-12 23:54:34,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:34,170 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:54:34,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:34,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,217 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:34,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:34,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:34,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:34,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:34,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:34,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:34,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:34,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:34,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:34,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:34,301 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 72 for LOIs [2021-11-12 23:54:34,310 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 76 for LOIs [2021-11-12 23:54:34,314 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:54:36,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [454430130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:54:36,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:54:36,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 8] total 19 [2021-11-12 23:54:36,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992568751] [2021-11-12 23:54:36,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:54:36,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:54:36,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:54:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:54:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:54:36,435 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:54:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:36,563 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-11-12 23:54:36,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:54:36,564 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 19 [2021-11-12 23:54:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:36,565 INFO L225 Difference]: With dead ends: 30 [2021-11-12 23:54:36,565 INFO L226 Difference]: Without dead ends: 25 [2021-11-12 23:54:36,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:54:36,567 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.78ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:36,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 26 Invalid, 66 Unknown, 0 Unchecked, 1.78ms Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 114.69ms Time] [2021-11-12 23:54:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-12 23:54:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-12 23:54:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:54:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-11-12 23:54:36,575 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 19 [2021-11-12 23:54:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:36,576 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-11-12 23:54:36,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:54:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-11-12 23:54:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:54:36,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:36,578 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:36,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:36,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-12 23:54:36,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:54:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash -459496832, now seen corresponding path program 1 times [2021-11-12 23:54:36,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:54:36,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942155041] [2021-11-12 23:54:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:36,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:54:36,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:54:36,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178368516] [2021-11-12 23:54:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:36,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:36,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:54:36,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:54:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:36,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:54:36,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:54:36,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:54:37,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:54:37,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942155041] [2021-11-12 23:54:37,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:54:37,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178368516] [2021-11-12 23:54:37,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178368516] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:54:37,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1120441167] [2021-11-12 23:54:37,139 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-12 23:54:37,139 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:54:37,139 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:54:37,139 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:54:37,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:54:37,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:54:37,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:54:37,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:37,171 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-12 23:54:37,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:54:37,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:37,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:37,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:54:37,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:37,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:54:37,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:54:37,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:54:37,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:54:37,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:37,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:54:37,252 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:107 [2021-11-12 23:54:37,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:37,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,285 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:54:37,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:37,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,311 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:54:37,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,402 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:37,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:37,421 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:54:37,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:54:37,433 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:37,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:37,449 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:54:37,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:54:37,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,517 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:54:37,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:37,538 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:54:37,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:37,550 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:54:37,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:54:37,582 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:54:37,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:54:37,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,635 INFO L180 QuantifierPusher]: treesize reduction 45, result has 80.5 percent of original size [2021-11-12 23:54:37,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-12 23:54:37,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:37,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:37,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:54:37,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:54:37,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:54:37,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:54:37,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:54:37,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:54:37,776 INFO L185 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size 35 [2021-11-12 23:54:37,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-12 23:54:37,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:37,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:54:37,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:54:37,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:54:37,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:54:37,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:54:37,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:54:37,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:54:37,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:54:37,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:37,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:54:37,869 INFO L185 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size 35 [2021-11-12 23:54:37,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-12 23:54:37,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:37,945 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-12 23:54:37,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-12 23:54:37,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:37,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:37,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-12 23:54:37,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-12 23:54:37,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,059 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:54:38,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:54:38,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:54:38,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:54:38,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:54:38,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:54:38,103 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:54:38,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:54:38,111 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:54:38,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:54:38,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:54:38,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:54:38,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:54:38,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:54:38,149 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:54:38,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:54:38,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,170 INFO L180 QuantifierPusher]: treesize reduction 30, result has 77.6 percent of original size [2021-11-12 23:54:38,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:54:38,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:54:38,199 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:54:38,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:38,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:54:38,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:54:38,231 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:54:38,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:54:38,238 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:54:38,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:54:38,265 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:54:38,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:54:38,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,318 INFO L180 QuantifierPusher]: treesize reduction 33, result has 71.8 percent of original size [2021-11-12 23:54:38,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:54:38,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:54:38,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:54:38,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:54:38,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:54:38,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:54:38,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:54:38,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:54:38,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:54:38,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:54:38,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:54:38,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:54:38,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:54:38,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:54:38,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:54:38,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-12 23:54:38,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:54:38,390 INFO L180 QuantifierPusher]: treesize reduction 30, result has 77.6 percent of original size [2021-11-12 23:54:38,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:54:38,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:54:38,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,440 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:54:38,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:54:38,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:54:38,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:54:38,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,489 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:54:38,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:54:38,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:54:38,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:54:38,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:54:38,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:54:38,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:54:38,556 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-12 23:54:38,564 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 76 for LOIs [2021-11-12 23:54:38,567 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:54:40,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:54:40,421 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:54:40,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-11-12 23:54:40,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697690190] [2021-11-12 23:54:40,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:54:40,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:54:40,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:54:40,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:54:40,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:54:40,423 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-12 23:54:40,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:40,502 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-11-12 23:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:54:40,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2021-11-12 23:54:40,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:40,503 INFO L225 Difference]: With dead ends: 25 [2021-11-12 23:54:40,503 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:54:40,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:54:40,506 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.18ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:40,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 44 Invalid, 40 Unknown, 0 Unchecked, 1.18ms Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 42.88ms Time] [2021-11-12 23:54:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:54:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:54:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:54:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:54:40,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-12 23:54:40,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:40,510 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:54:40,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-12 23:54:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:54:40,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:54:40,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:54:40,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:40,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:40,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:54:41,544 INFO L854 garLoopResultBuilder]: At program point L35-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|)) (.cse1 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1|)) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse1 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse1 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:54:41,544 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:54:41,544 INFO L858 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2021-11-12 23:54:41,544 INFO L854 garLoopResultBuilder]: At program point L40-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:54:41,545 INFO L854 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:54:41,545 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 35 48) no Hoare annotation was computed. [2021-11-12 23:54:41,545 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:54:41,545 INFO L854 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |#t~string5.offset| 0) (= (select |#length| |#t~string5.base|) 11) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~x1~0#1| 2147483648)) (= |#NULL.base| 0))) [2021-11-12 23:54:41,546 INFO L854 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:54:41,546 INFO L861 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2021-11-12 23:54:41,546 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 12 14) the Hoare annotation is: true [2021-11-12 23:54:41,546 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2021-11-12 23:54:41,546 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2021-11-12 23:54:41,546 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2021-11-12 23:54:41,546 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 15 21) the Hoare annotation is: true [2021-11-12 23:54:41,546 INFO L858 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2021-11-12 23:54:41,547 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2021-11-12 23:54:41,547 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-11-12 23:54:41,550 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-12 23:54:41,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:54:41,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:54:41 BoogieIcfgContainer [2021-11-12 23:54:41,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:54:41,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:54:41,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:54:41,574 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:54:41,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:54:31" (3/4) ... [2021-11-12 23:54:41,577 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:54:41,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-12 23:54:41,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 23:54:41,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-12 23:54:41,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-12 23:54:41,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 23:54:41,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:54:41,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:54:41,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:54:41,630 INFO L158 Benchmark]: Toolchain (without parser) took 11104.04ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 53.1MB in the beginning and 52.6MB in the end (delta: 506.3kB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,630 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:54:41,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.55ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 84.9MB in the end (delta: -31.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.54ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,630 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 948.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:54:41,631 INFO L158 Benchmark]: RCFGBuilder took 419.31ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 71.5MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,631 INFO L158 Benchmark]: TraceAbstraction took 10287.10ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 71.1MB in the beginning and 55.8MB in the end (delta: 15.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,631 INFO L158 Benchmark]: Witness Printer took 55.19ms. Allocated memory is still 159.4MB. Free memory was 55.8MB in the beginning and 52.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:54:41,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.55ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 84.9MB in the end (delta: -31.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.54ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 948.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.31ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 71.5MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10287.10ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 71.1MB in the beginning and 55.8MB in the end (delta: 15.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 55.19ms. Allocated memory is still 159.4MB. Free memory was 55.8MB in the beginning and 52.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 242.01ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 194.83ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 43 mSDtfsCounter, 161 mSolverCounterSat, 10.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 106 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 14 PreInvPairs, 21 NumberOfFragments, 525 HoareAnnotationTreeSize, 14 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1188 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 18 NumberOfNonLiveVariables, 235 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 36/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1100.06ms, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 16, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME: 191.61ms, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 248.85ms, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 116.56ms, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME: 542.25ms, TOOLS_QUANTIFIERELIM_MAX_TIME: 187.55ms, FLUID_QUERY_TIME: 3.58ms, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 455.97ms, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.00ms, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.00ms, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.00ms, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME: 29.25ms, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.00ms, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.00ms, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 9.61ms, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 9.53ms, PROCEDURE_GRAPH_BUILDER_TIME: 3.79ms, PATH_EXPR_TIME: 3.14ms, REGEX_TO_DAG_TIME: 3.11ms, DAG_COMPRESSION_TIME: 12.37ms, DAG_COMPRESSION_PROCESSED_NODES: 121, DAG_COMPRESSION_RETAINED_NODES: 48, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((0 <= x1 && unknown-#StackHeapBarrier-unknown < "reach_error") && x2 <= 2147483647) && unknown-#StackHeapBarrier-unknown < "mannadiv.c") && \valid["mannadiv.c"] == 1) && \valid["0"] == 1) && 0 <= "mannadiv.c") && unknown-#length-unknown["mannadiv.c"] == 11) && !(x2 == 0)) && \valid["reach_error"] == 1) && \valid[0] == 0) && 0 <= x2 + 2147483648) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && x1 <= 2147483647) && "reach_error" == 0) && x1 == x2 * y1 + y2 + y3) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && "mannadiv.c" <= 0) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-12 23:54:41,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e127a2d1-eadd-4ac3-8a5b-902c039321ea/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE