./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs --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-0f8a17c [2021-11-19 14:00:13,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:13,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:13,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:13,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:13,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:13,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:13,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:13,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:13,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:13,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:13,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:13,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:13,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:13,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:13,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:13,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:13,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:13,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:13,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:13,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:13,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:13,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:13,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:13,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:13,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:13,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:13,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:13,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:13,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:13,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:13,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:13,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:13,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:13,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:13,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:13,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:13,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:13,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:13,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:13,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:13,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:00:13,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:13,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:13,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:13,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:13,909 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:13,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:13,916 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:13,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:00:13,916 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:13,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:13,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:00:13,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:00:13,918 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:13,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:00:13,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:00:13,919 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:00:13,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:13,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:00:13,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:00:13,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:00:13,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:13,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:13,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:13,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:13,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:13,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:00:13,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:13,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:13,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:13,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:13,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:13,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:13,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:13,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:13,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:13,926 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:00:13,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:00:13,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:13,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:13,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:13,935 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_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2021-11-19 14:00:14,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:14,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:14,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:14,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:14,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:14,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2021-11-19 14:00:14,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/data/350b650de/96b71a9104214fc1b6d09b388ca52384/FLAG45b8dc85b [2021-11-19 14:00:14,822 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:14,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2021-11-19 14:00:14,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/data/350b650de/96b71a9104214fc1b6d09b388ca52384/FLAG45b8dc85b [2021-11-19 14:00:15,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/data/350b650de/96b71a9104214fc1b6d09b388ca52384 [2021-11-19 14:00:15,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:15,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:15,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:15,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:15,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:15,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63490aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15, skipping insertion in model container [2021-11-19 14:00:15,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:15,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:15,450 WARN L230 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_8f68d723-4e5a-4bb7-8887-afc6b8e96818/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2021-11-19 14:00:15,472 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:15,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:15,497 WARN L230 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_8f68d723-4e5a-4bb7-8887-afc6b8e96818/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2021-11-19 14:00:15,507 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:15,528 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:15,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15 WrapperNode [2021-11-19 14:00:15,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:15,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:15,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:15,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:15,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,565 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-19 14:00:15,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:15,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:15,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:15,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:15,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:15,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:15,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:15,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:15,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (1/1) ... [2021-11-19 14:00:15,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:15,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:15,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:15,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:00:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:00:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:00:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:00:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:00:15,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:15,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:15,907 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:00:15,935 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:00:15,943 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:00:15,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:15 BoogieIcfgContainer [2021-11-19 14:00:15,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:00:15,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:00:15,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:00:15,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:00:15,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:15" (1/3) ... [2021-11-19 14:00:15,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c07e645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:15, skipping insertion in model container [2021-11-19 14:00:15,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:15" (2/3) ... [2021-11-19 14:00:15,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c07e645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:15, skipping insertion in model container [2021-11-19 14:00:15,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:15" (3/3) ... [2021-11-19 14:00:15,961 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound10.c [2021-11-19 14:00:15,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:00:15,971 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:00:16,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:00:16,031 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 [2021-11-19 14:00:16,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:00:16,048 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) [2021-11-19 14:00:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:00:16,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:16,053 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:16,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:16,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:16,060 INFO L85 PathProgramCache]: Analyzing trace with hash 375362447, now seen corresponding path program 1 times [2021-11-19 14:00:16,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:16,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422008245] [2021-11-19 14:00:16,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:16,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 14:00:16,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:16,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422008245] [2021-11-19 14:00:16,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422008245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:16,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:16,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:00:16,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005526908] [2021-11-19 14:00:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:16,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:00:16,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:16,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:00:16,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:00:16,248 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) [2021-11-19 14:00:16,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:16,277 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-11-19 14:00:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:00:16,279 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 [2021-11-19 14:00:16,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:16,287 INFO L225 Difference]: With dead ends: 30 [2021-11-19 14:00:16,287 INFO L226 Difference]: Without dead ends: 16 [2021-11-19 14:00:16,290 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 [2021-11-19 14:00:16,294 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:16,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-19 14:00:16,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-19 14:00:16,327 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) [2021-11-19 14:00:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-19 14:00:16,329 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2021-11-19 14:00:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:16,331 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-19 14:00:16,331 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) [2021-11-19 14:00:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-19 14:00:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:00:16,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:16,333 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:16,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:00:16,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:16,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:16,335 INFO L85 PathProgramCache]: Analyzing trace with hash 328203294, now seen corresponding path program 1 times [2021-11-19 14:00:16,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:16,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871512610] [2021-11-19 14:00:16,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:16,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:16,371 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:00:16,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231393284] [2021-11-19 14:00:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:16,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:16,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:00:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:16,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:00:16,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 14:00:16,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 14:00:17,068 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:17,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871512610] [2021-11-19 14:00:17,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:17,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231393284] [2021-11-19 14:00:17,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231393284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:17,077 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:17,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 5] imperfect sequences [] total 9 [2021-11-19 14:00:17,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457362655] [2021-11-19 14:00:17,079 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:17,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:00:17,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:00:17,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:00:17,087 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) [2021-11-19 14:00:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:17,238 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-11-19 14:00:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:00:17,240 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 [2021-11-19 14:00:17,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:17,242 INFO L225 Difference]: With dead ends: 26 [2021-11-19 14:00:17,242 INFO L226 Difference]: Without dead ends: 22 [2021-11-19 14:00:17,245 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 [2021-11-19 14:00:17,257 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:17,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 54 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:17,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-19 14:00:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-11-19 14:00:17,271 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) [2021-11-19 14:00:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-11-19 14:00:17,272 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2021-11-19 14:00:17,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:17,272 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-11-19 14:00:17,274 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) [2021-11-19 14:00:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-19 14:00:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 14:00:17,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:17,276 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:17,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:17,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:17,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:17,501 INFO L85 PathProgramCache]: Analyzing trace with hash 927627110, now seen corresponding path program 1 times [2021-11-19 14:00:17,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:17,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730420799] [2021-11-19 14:00:17,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:17,514 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:00:17,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471175004] [2021-11-19 14:00:17,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:17,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:17,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:17,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:00:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:17,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 14:00:17,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 14:00:17,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 14:00:17,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:17,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730420799] [2021-11-19 14:00:17,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:17,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471175004] [2021-11-19 14:00:17,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471175004] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:17,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1190174706] [2021-11-19 14:00:17,885 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-19 14:00:17,885 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:17,890 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:17,896 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:17,897 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:17,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:17,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:17,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:17,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:17,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:17,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:17,987 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.6 percent of original size 73 [2021-11-19 14:00:17,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:18,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:18,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,031 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.6 percent of original size 73 [2021-11-19 14:00:18,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,259 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:18,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:18,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:18,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,275 INFO L180 QuantifierPusher]: treesize reduction 20, result has 82.9 percent of original size [2021-11-19 14:00:18,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:18,287 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:18,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:18,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:18,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,302 INFO L180 QuantifierPusher]: treesize reduction 20, result has 82.9 percent of original size [2021-11-19 14:00:18,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:18,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,365 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.3 percent of original size [2021-11-19 14:00:18,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:18,388 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.9 percent of original size [2021-11-19 14:00:18,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-19 14:00:18,404 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.3 percent of original size [2021-11-19 14:00:18,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:18,425 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.9 percent of original size [2021-11-19 14:00:18,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-19 14:00:18,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,502 INFO L180 QuantifierPusher]: treesize reduction 33, result has 78.7 percent of original size [2021-11-19 14:00:18,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:18,532 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.3 percent of original size [2021-11-19 14:00:18,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:18,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,574 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:18,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:18,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:18,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:18,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:18,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,634 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 45 for LOIs [2021-11-19 14:00:18,641 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 49 for LOIs [2021-11-19 14:00:18,644 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:19,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1190174706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:19,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:00:19,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 8] total 19 [2021-11-19 14:00:19,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812632107] [2021-11-19 14:00:19,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:19,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:00:19,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:19,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:00:19,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:00:19,817 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) [2021-11-19 14:00:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:19,921 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-11-19 14:00:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:00:19,921 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 [2021-11-19 14:00:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:19,923 INFO L225 Difference]: With dead ends: 30 [2021-11-19 14:00:19,923 INFO L226 Difference]: Without dead ends: 25 [2021-11-19 14:00:19,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:00:19,924 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:19,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 26 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:19,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-19 14:00:19,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-19 14:00:19,932 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) [2021-11-19 14:00:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-11-19 14:00:19,933 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 19 [2021-11-19 14:00:19,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:19,934 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-11-19 14:00:19,934 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) [2021-11-19 14:00:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-11-19 14:00:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-19 14:00:19,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:19,935 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:19,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:20,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:20,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:20,164 INFO L85 PathProgramCache]: Analyzing trace with hash -459496832, now seen corresponding path program 1 times [2021-11-19 14:00:20,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:20,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770710920] [2021-11-19 14:00:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:20,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:20,174 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:00:20,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754683758] [2021-11-19 14:00:20,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:20,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:20,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:20,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:20,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:00:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:20,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 14:00:20,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 14:00:20,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 14:00:20,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:20,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770710920] [2021-11-19 14:00:20,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:20,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754683758] [2021-11-19 14:00:20,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754683758] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:20,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1102348024] [2021-11-19 14:00:20,531 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-19 14:00:20,531 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:20,532 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:20,532 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:20,533 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:20,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:20,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,574 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.6 percent of original size 73 [2021-11-19 14:00:20,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:20,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,594 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.6 percent of original size 73 [2021-11-19 14:00:20,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,656 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:20,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:20,669 INFO L180 QuantifierPusher]: treesize reduction 20, result has 82.9 percent of original size [2021-11-19 14:00:20,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:20,679 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:20,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:20,691 INFO L180 QuantifierPusher]: treesize reduction 20, result has 82.9 percent of original size [2021-11-19 14:00:20,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:20,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,733 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.3 percent of original size [2021-11-19 14:00:20,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:20,748 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.9 percent of original size [2021-11-19 14:00:20,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-19 14:00:20,756 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.3 percent of original size [2021-11-19 14:00:20,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:20,767 INFO L180 QuantifierPusher]: treesize reduction 15, result has 88.9 percent of original size [2021-11-19 14:00:20,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-19 14:00:20,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,804 INFO L180 QuantifierPusher]: treesize reduction 27, result has 84.3 percent of original size [2021-11-19 14:00:20,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-19 14:00:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,847 INFO L180 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-11-19 14:00:20,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:00:20,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:00:20,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:00:20,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 14:00:20,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:20,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 14:00:20,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:20,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:20,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 14:00:20,901 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-11-19 14:00:20,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:00:20,907 INFO L180 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-11-19 14:00:20,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:20,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:20,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:00:20,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:20,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:00:20,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:20,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:20,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:20,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:20,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 14:00:20,956 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-11-19 14:00:20,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:00:20,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,990 INFO L180 QuantifierPusher]: treesize reduction 12, result has 87.8 percent of original size [2021-11-19 14:00:20,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:20,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:21,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-19 14:00:21,019 INFO L180 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-11-19 14:00:21,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:00:21,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:21,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:00:21,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:21,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 14:00:21,066 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-11-19 14:00:21,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:00:21,074 INFO L180 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-11-19 14:00:21,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:00:21,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:21,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:00:21,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:21,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 14:00:21,111 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-11-19 14:00:21,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:00:21,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,146 INFO L180 QuantifierPusher]: treesize reduction 15, result has 81.5 percent of original size [2021-11-19 14:00:21,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 14:00:21,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:00:21,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-19 14:00:21,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:00:21,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:00:21,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 14:00:21,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 14:00:21,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-19 14:00:21,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-19 14:00:21,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 14:00:21,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 14:00:21,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:21,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 14:00:21,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:00:21,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:00:21,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:00:21,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:00:21,219 INFO L180 QuantifierPusher]: treesize reduction 12, result has 87.8 percent of original size [2021-11-19 14:00:21,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:00:21,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-19 14:00:21,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,263 INFO L180 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-11-19 14:00:21,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:00:21,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:00:21,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 14:00:21,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,304 INFO L180 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-11-19 14:00:21,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:21,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:00:21,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:00:21,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:21,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,352 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 21 for LOIs [2021-11-19 14:00:21,356 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 49 for LOIs [2021-11-19 14:00:21,358 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:22,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:22,303 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:00:22,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-11-19 14:00:22,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906926734] [2021-11-19 14:00:22,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 14:00:22,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:00:22,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:00:22,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:00:22,305 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) [2021-11-19 14:00:22,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:22,371 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-11-19 14:00:22,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:00:22,371 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 [2021-11-19 14:00:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:22,372 INFO L225 Difference]: With dead ends: 25 [2021-11-19 14:00:22,372 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:00:22,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:00:22,374 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:22,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 44 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:22,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:00:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:00:22,375 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) [2021-11-19 14:00:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:00:22,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-19 14:00:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:22,376 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:00:22,376 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) [2021-11-19 14:00:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:00:22,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:00:22,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:00:22,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:22,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-11-19 14:00:22,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:00:23,094 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| 1))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1|)) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= (select .cse1 0) 48) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select .cse1 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-19 14:00:23,094 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:00:23,094 INFO L858 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2021-11-19 14:00:23,095 INFO L854 garLoopResultBuilder]: At program point L40-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= (select .cse0 0) 48) (= |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 .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-19 14:00:23,095 INFO L854 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= (select .cse0 0) 48) (= |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 .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-19 14:00:23,095 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 35 48) no Hoare annotation was computed. [2021-11-19 14:00:23,095 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:00:23,095 INFO L854 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~x1~0#1| 2147483648)) (= |#NULL.base| 0))) [2021-11-19 14:00:23,096 INFO L854 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-19 14:00:23,096 INFO L861 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2021-11-19 14:00:23,096 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 12 14) the Hoare annotation is: true [2021-11-19 14:00:23,096 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2021-11-19 14:00:23,096 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2021-11-19 14:00:23,096 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2021-11-19 14:00:23,096 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 15 21) the Hoare annotation is: true [2021-11-19 14:00:23,096 INFO L858 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2021-11-19 14:00:23,096 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2021-11-19 14:00:23,097 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-11-19 14:00:23,100 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-19 14:00:23,102 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:00:23,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:00:23 BoogieIcfgContainer [2021-11-19 14:00:23,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:00:23,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:00:23,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:00:23,119 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:00:23,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:15" (3/4) ... [2021-11-19 14:00:23,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:00:23,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-19 14:00:23,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 14:00:23,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-19 14:00:23,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 14:00:23,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:00:23,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:00:23,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:00:23,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:00:23,166 INFO L158 Benchmark]: Toolchain (without parser) took 7990.44ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 59.3MB in the end (delta: -7.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,166 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:23,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.02ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 69.4MB in the end (delta: -17.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,167 INFO L158 Benchmark]: Boogie Preprocessor took 42.98ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:23,168 INFO L158 Benchmark]: RCFGBuilder took 334.88ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 56.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,168 INFO L158 Benchmark]: TraceAbstraction took 7170.93ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 62.4MB in the end (delta: -6.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,168 INFO L158 Benchmark]: Witness Printer took 47.06ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 59.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:00:23,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.02ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 69.4MB in the end (delta: -17.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.98ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.88ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 56.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7170.93ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 62.4MB in the end (delta: -6.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 47.06ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 59.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 7.1s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 0.2s 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 106 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 2.4s 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, 413 HoareAnnotationTreeSize, 14 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1099 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 18 NumberOfNonLiveVariables, 217 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: 0.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 16, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME: 0.0s, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME: 0.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 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-#length-unknown[3] == 12) && x2 <= 2147483647) && 11 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && !(x2 == 0)) && \valid[1] == 1) && \valid[0] == 0) && 0 <= x2 + 2147483648) && \valid[2] == 1) && #NULL == 0) && x1 <= 2147483647) && unknown-#memory_int-unknown[1][0] == 48) && x1 == x2 * y1 + y2 + y3) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 14:00:23,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f68d723-4e5a-4bb7-8887-afc6b8e96818/bin/utaipan-UbGMyvGFUs/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