./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P --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 77d80771821c1cd45088b62d9d16474928a377618be5caefce4c7c3ebfdda084 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:33,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:33,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:33,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:33,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:33,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:33,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:33,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:33,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:33,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:33,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:33,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:33,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:33,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:33,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:33,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:33,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:33,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:33,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:33,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:33,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:33,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:33,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:33,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:33,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:33,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:33,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:33,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:33,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:33,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:33,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:33,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:33,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:33,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:33,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:33,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:33,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:33,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:33,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:33,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:33,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:33,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:35:33,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:33,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:33,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:33,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:33,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:33,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:33,213 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:33,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:33,214 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:33,214 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:33,215 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:33,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:33,215 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:33,216 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:33,216 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:33,216 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:33,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:33,217 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:33,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:33,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:33,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:33,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:33,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:33,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:33,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:33,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:33,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:33,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:33,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:33,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:33,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:33,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:33,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:33,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:33,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:33,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:33,224 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:33,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:33,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:33,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:33,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:33,226 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_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77d80771821c1cd45088b62d9d16474928a377618be5caefce4c7c3ebfdda084 [2021-11-20 23:35:33,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:33,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:33,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:33,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:33,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:33,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2021-11-20 23:35:33,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/data/b51f4d729/ebf1d6e3e7f2493385c2dec5119448b0/FLAG61914ce00 [2021-11-20 23:35:34,189 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:34,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2021-11-20 23:35:34,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/data/b51f4d729/ebf1d6e3e7f2493385c2dec5119448b0/FLAG61914ce00 [2021-11-20 23:35:34,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/data/b51f4d729/ebf1d6e3e7f2493385c2dec5119448b0 [2021-11-20 23:35:34,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:34,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:34,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:34,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:34,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:34,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:34,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3897d0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34, skipping insertion in model container [2021-11-20 23:35:34,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:34,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:34,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:34,956 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_3caf8222-b756-448c-b4c6-541774fa40af/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c[11857,11870] [2021-11-20 23:35:34,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:34,970 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:35,054 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_3caf8222-b756-448c-b4c6-541774fa40af/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c[11857,11870] [2021-11-20 23:35:35,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:35,082 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:35,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35 WrapperNode [2021-11-20 23:35:35,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:35,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:35,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:35,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:35,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,143 INFO L137 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 410 [2021-11-20 23:35:35,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:35,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:35,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:35,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:35,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:35,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:35,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:35,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:35,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (1/1) ... [2021-11-20 23:35:35,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:35,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:35,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2021-11-20 23:35:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2021-11-20 23:35:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-20 23:35:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-20 23:35:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2021-11-20 23:35:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2021-11-20 23:35:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2021-11-20 23:35:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2021-11-20 23:35:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2021-11-20 23:35:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2021-11-20 23:35:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:35,436 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:35,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:35,950 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:36,121 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:36,122 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:35:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:36 BoogieIcfgContainer [2021-11-20 23:35:36,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:36,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:36,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:36,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:36,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:34" (1/3) ... [2021-11-20 23:35:36,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e472f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:36, skipping insertion in model container [2021-11-20 23:35:36,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:35" (2/3) ... [2021-11-20 23:35:36,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e472f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:36, skipping insertion in model container [2021-11-20 23:35:36,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:36" (3/3) ... [2021-11-20 23:35:36,132 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2021-11-20 23:35:36,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:36,137 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:35:36,183 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:36,190 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 [2021-11-20 23:35:36,190 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:35:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 95 states have internal predecessors, (136), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 23:35:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:35:36,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:36,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:36,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1080664409, now seen corresponding path program 1 times [2021-11-20 23:35:36,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:36,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860876789] [2021-11-20 23:35:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:36,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:36,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860876789] [2021-11-20 23:35:36,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860876789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:36,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:36,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:36,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575552847] [2021-11-20 23:35:36,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:36,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:36,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:36,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:36,529 INFO L87 Difference]: Start difference. First operand has 130 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 95 states have internal predecessors, (136), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:36,758 INFO L93 Difference]: Finished difference Result 264 states and 440 transitions. [2021-11-20 23:35:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:36,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-20 23:35:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:36,775 INFO L225 Difference]: With dead ends: 264 [2021-11-20 23:35:36,776 INFO L226 Difference]: Without dead ends: 135 [2021-11-20 23:35:36,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:36,791 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 6 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:36,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 519 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:36,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-20 23:35:36,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2021-11-20 23:35:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 97 states have internal predecessors, (137), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 23:35:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 201 transitions. [2021-11-20 23:35:36,883 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 201 transitions. Word has length 14 [2021-11-20 23:35:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:36,883 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 201 transitions. [2021-11-20 23:35:36,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2021-11-20 23:35:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 23:35:36,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:36,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:36,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:35:36,889 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:36,892 INFO L85 PathProgramCache]: Analyzing trace with hash -437827912, now seen corresponding path program 1 times [2021-11-20 23:35:36,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:36,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627060288] [2021-11-20 23:35:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:36,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:36,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:36,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627060288] [2021-11-20 23:35:36,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627060288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:36,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:36,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:36,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080134742] [2021-11-20 23:35:36,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:36,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:36,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:36,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:36,978 INFO L87 Difference]: Start difference. First operand 133 states and 201 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:37,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:37,096 INFO L93 Difference]: Finished difference Result 278 states and 424 transitions. [2021-11-20 23:35:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-20 23:35:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:37,106 INFO L225 Difference]: With dead ends: 278 [2021-11-20 23:35:37,107 INFO L226 Difference]: Without dead ends: 147 [2021-11-20 23:35:37,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:37,115 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 22 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:37,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 530 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-20 23:35:37,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2021-11-20 23:35:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 104 states have (on average 1.4423076923076923) internal successors, (150), 107 states have internal predecessors, (150), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-20 23:35:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 216 transitions. [2021-11-20 23:35:37,155 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 216 transitions. Word has length 15 [2021-11-20 23:35:37,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:37,156 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 216 transitions. [2021-11-20 23:35:37,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2021-11-20 23:35:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:35:37,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:35:37,158 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1200457409, now seen corresponding path program 1 times [2021-11-20 23:35:37,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106067207] [2021-11-20 23:35:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:37,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106067207] [2021-11-20 23:35:37,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106067207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:37,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:37,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:35:37,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689401529] [2021-11-20 23:35:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:37,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:37,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:37,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:37,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:37,214 INFO L87 Difference]: Start difference. First operand 145 states and 216 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:35:37,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:37,301 INFO L93 Difference]: Finished difference Result 310 states and 470 transitions. [2021-11-20 23:35:37,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:37,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-11-20 23:35:37,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:37,306 INFO L225 Difference]: With dead ends: 310 [2021-11-20 23:35:37,306 INFO L226 Difference]: Without dead ends: 174 [2021-11-20 23:35:37,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:37,308 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 22 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:37,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 366 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:35:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-20 23:35:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 147. [2021-11-20 23:35:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 109 states have internal predecessors, (152), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-20 23:35:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2021-11-20 23:35:37,335 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 19 [2021-11-20 23:35:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:37,337 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2021-11-20 23:35:37,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:35:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2021-11-20 23:35:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:35:37,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:35:37,344 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash -803976488, now seen corresponding path program 1 times [2021-11-20 23:35:37,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649528405] [2021-11-20 23:35:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:37,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649528405] [2021-11-20 23:35:37,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649528405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:37,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:37,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:35:37,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898380207] [2021-11-20 23:35:37,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:37,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:37,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:37,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:37,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:37,393 INFO L87 Difference]: Start difference. First operand 147 states and 218 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:37,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:37,453 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2021-11-20 23:35:37,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:37,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2021-11-20 23:35:37,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:37,457 INFO L225 Difference]: With dead ends: 247 [2021-11-20 23:35:37,457 INFO L226 Difference]: Without dead ends: 147 [2021-11-20 23:35:37,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:37,469 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:37,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:35:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-20 23:35:37,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2021-11-20 23:35:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 109 states have internal predecessors, (149), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-20 23:35:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 215 transitions. [2021-11-20 23:35:37,488 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 215 transitions. Word has length 27 [2021-11-20 23:35:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:37,489 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 215 transitions. [2021-11-20 23:35:37,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 215 transitions. [2021-11-20 23:35:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 23:35:37,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,495 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:35:37,496 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:37,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,497 INFO L85 PathProgramCache]: Analyzing trace with hash -427887339, now seen corresponding path program 1 times [2021-11-20 23:35:37,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040150863] [2021-11-20 23:35:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040150863] [2021-11-20 23:35:37,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040150863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:37,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:37,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:35:37,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867184212] [2021-11-20 23:35:37,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:37,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:35:37,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:37,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:35:37,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:37,601 INFO L87 Difference]: Start difference. First operand 147 states and 215 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:37,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:37,675 INFO L93 Difference]: Finished difference Result 286 states and 421 transitions. [2021-11-20 23:35:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:37,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2021-11-20 23:35:37,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:37,677 INFO L225 Difference]: With dead ends: 286 [2021-11-20 23:35:37,677 INFO L226 Difference]: Without dead ends: 149 [2021-11-20 23:35:37,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:37,679 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:37,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 707 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-20 23:35:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2021-11-20 23:35:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.3962264150943395) internal successors, (148), 109 states have internal predecessors, (148), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-20 23:35:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2021-11-20 23:35:37,692 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 30 [2021-11-20 23:35:37,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:37,692 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2021-11-20 23:35:37,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-20 23:35:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 23:35:37,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:35:37,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1265511293, now seen corresponding path program 1 times [2021-11-20 23:35:37,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438037136] [2021-11-20 23:35:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,737 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:37,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438037136] [2021-11-20 23:35:37,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438037136] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:35:37,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926122699] [2021-11-20 23:35:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:37,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:37,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:37,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:35:37,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:38,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926122699] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:35:38,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [499312191] [2021-11-20 23:35:38,133 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-20 23:35:38,133 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:35:38,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:35:38,143 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:35:38,143 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:35:40,820 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 121 for LOIs [2021-11-20 23:35:52,021 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 73 for LOIs [2021-11-20 23:35:52,757 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:35:55,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [499312191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:55,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-20 23:35:55,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 4, 4] total 22 [2021-11-20 23:35:55,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551809214] [2021-11-20 23:35:55,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:55,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 23:35:55,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 23:35:55,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-11-20 23:35:55,468 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:36:00,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:00,383 INFO L93 Difference]: Finished difference Result 338 states and 495 transitions. [2021-11-20 23:36:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 23:36:00,384 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-20 23:36:00,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:00,386 INFO L225 Difference]: With dead ends: 338 [2021-11-20 23:36:00,386 INFO L226 Difference]: Without dead ends: 192 [2021-11-20 23:36:00,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2021-11-20 23:36:00,388 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 92 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:00,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 1174 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:36:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-11-20 23:36:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 183. [2021-11-20 23:36:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 135 states have (on average 1.385185185185185) internal successors, (187), 138 states have internal predecessors, (187), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-20 23:36:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 261 transitions. [2021-11-20 23:36:00,407 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 261 transitions. Word has length 32 [2021-11-20 23:36:00,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:00,408 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 261 transitions. [2021-11-20 23:36:00,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:36:00,408 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 261 transitions. [2021-11-20 23:36:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 23:36:00,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:00,410 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:00,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:00,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:00,625 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:00,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:00,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1806452412, now seen corresponding path program 1 times [2021-11-20 23:36:00,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:00,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331503958] [2021-11-20 23:36:00,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:00,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 23:36:00,703 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:00,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331503958] [2021-11-20 23:36:00,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331503958] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:36:00,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885142870] [2021-11-20 23:36:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:00,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:00,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:00,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:00,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:36:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:00,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:36:00,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 23:36:00,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:36:00,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885142870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:00,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:36:00,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 23:36:00,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432973519] [2021-11-20 23:36:00,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:00,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:36:00,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:00,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:36:00,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:36:00,919 INFO L87 Difference]: Start difference. First operand 183 states and 261 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:36:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:01,016 INFO L93 Difference]: Finished difference Result 350 states and 508 transitions. [2021-11-20 23:36:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:36:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2021-11-20 23:36:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:01,019 INFO L225 Difference]: With dead ends: 350 [2021-11-20 23:36:01,019 INFO L226 Difference]: Without dead ends: 186 [2021-11-20 23:36:01,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:36:01,021 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 7 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:01,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 339 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:36:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-20 23:36:01,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2021-11-20 23:36:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 140 states have internal predecessors, (188), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-20 23:36:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 258 transitions. [2021-11-20 23:36:01,064 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 258 transitions. Word has length 44 [2021-11-20 23:36:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:01,064 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 258 transitions. [2021-11-20 23:36:01,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:36:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 258 transitions. [2021-11-20 23:36:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 23:36:01,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:01,066 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:01,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:36:01,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:01,280 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:01,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1809074783, now seen corresponding path program 1 times [2021-11-20 23:36:01,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:01,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868756667] [2021-11-20 23:36:01,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:01,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:36:01,321 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:01,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868756667] [2021-11-20 23:36:01,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868756667] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:36:01,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875470928] [2021-11-20 23:36:01,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:01,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:01,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:01,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:01,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:36:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:01,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:01,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-20 23:36:01,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:36:01,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875470928] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:36:01,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [293299538] [2021-11-20 23:36:01,642 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2021-11-20 23:36:01,642 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:36:01,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:36:01,642 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:36:01,643 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:36:04,958 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 121 for LOIs [2021-11-20 23:36:18,692 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 88 for LOIs [2021-11-20 23:36:20,710 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:36:25,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [293299538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:25,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-20 23:36:25,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2021-11-20 23:36:25,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106100478] [2021-11-20 23:36:25,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:25,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 23:36:25,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:25,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 23:36:25,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2021-11-20 23:36:25,478 INFO L87 Difference]: Start difference. First operand 183 states and 258 transitions. Second operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 15 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 23:36:31,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:31,850 INFO L93 Difference]: Finished difference Result 220 states and 303 transitions. [2021-11-20 23:36:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-20 23:36:31,867 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 15 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2021-11-20 23:36:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:31,868 INFO L225 Difference]: With dead ends: 220 [2021-11-20 23:36:31,868 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:36:31,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=175, Invalid=1085, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 23:36:31,870 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 59 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:31,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 65 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 23:36:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:36:31,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:36:31,871 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) [2021-11-20 23:36:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:36:31,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-11-20 23:36:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:31,872 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:36:31,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 15 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 23:36:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:36:31,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:36:31,875 INFO L764 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:36:31,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:32,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 23:36:32,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:36:36,477 INFO L861 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2021-11-20 23:36:36,478 INFO L858 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 101 120) no Hoare annotation was computed. [2021-11-20 23:36:36,478 INFO L858 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2021-11-20 23:36:36,478 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2021-11-20 23:36:36,478 INFO L858 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 101 120) no Hoare annotation was computed. [2021-11-20 23:36:36,478 INFO L861 garLoopResultBuilder]: At program point read_history_int8ENTRY(lines 101 120) the Hoare annotation is: true [2021-11-20 23:36:36,479 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 157) no Hoare annotation was computed. [2021-11-20 23:36:36,479 INFO L858 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 121 160) no Hoare annotation was computed. [2021-11-20 23:36:36,479 INFO L858 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 121 160) no Hoare annotation was computed. [2021-11-20 23:36:36,479 INFO L861 garLoopResultBuilder]: At program point read_history_boolENTRY(lines 121 160) the Hoare annotation is: true [2021-11-20 23:36:36,479 INFO L854 garLoopResultBuilder]: At program point L156(line 156) the Hoare annotation is: (let ((.cse15 (+ ~nomsg~0 1))) (or (not (<= 0 ~g2v~0)) (not (<= 0 (+ ~votedValue_History_1~0 128))) (not (<= 0 |#NULL.offset|)) (not (<= ~VALUE1~0 127)) (not (<= 0 ~g3v_old~0)) (not (<= 0 ~g3v~0)) (not (<= ~g1v~0 0)) (not (<= ~g1v_new~0 0)) (not (<= ~g2v_old~0 0)) (not (<= 0 ~g1v_new~0)) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (<= 0 ~g3v_new~0))) (.cse2 (not (<= ~g1v_old~0 0))) (.cse3 (not (<= 0 ~g1v_old~0))) (.cse4 (not (<= |#NULL.offset| 0))) (.cse5 (not (<= ~votedValue_History_2~0 127))) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (not (<= ~g2v_new~0 0))) (.cse8 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse9 (not (<= 0 |#StackHeapBarrier|))) (.cse10 (not (<= ~VALUE3~0 127))) (.cse11 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse12 (not (<= .cse15 0))) (.cse13 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse14 (not (<= ~g2v~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 0 |read_history_bool_#in~history_id|)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= |read_history_bool_#in~history_id| 1))))) (not (<= ~g3v_new~0 0)) (not (<= 0 ~g2v_old~0)) (not (<= 0 ~g2v_new~0)) (not (<= ~g3v~0 0)) (not (<= ~votedValue_History_1~0 127)) (not (<= 0 .cse15)) (not (<= 0 (+ ~VALUE3~0 128))) (not (<= 0 (+ ~VALUE1~0 128))) (not (<= ~g3v_old~0 0)) (not (<= ~VALUE2~0 127)) (not (<= 0 ~g1v~0)) (not (= |read_history_bool_#in~historyIndex| 0)))) [2021-11-20 23:36:36,480 INFO L858 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2021-11-20 23:36:36,480 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 157) no Hoare annotation was computed. [2021-11-20 23:36:36,480 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 157) no Hoare annotation was computed. [2021-11-20 23:36:36,480 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-20 23:36:36,480 INFO L861 garLoopResultBuilder]: At program point assertENTRY(lines 524 535) the Hoare annotation is: true [2021-11-20 23:36:36,480 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 524 535) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L858 garLoopResultBuilder]: For program point assertEXIT(lines 524 535) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L858 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 465) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2021-11-20 23:36:36,481 INFO L854 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: false [2021-11-20 23:36:36,482 INFO L858 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2021-11-20 23:36:36,482 INFO L854 garLoopResultBuilder]: At program point L333(lines 228 335) the Hoare annotation is: false [2021-11-20 23:36:36,482 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-20 23:36:36,482 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:36:36,482 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2021-11-20 23:36:36,482 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 319) no Hoare annotation was computed. [2021-11-20 23:36:36,483 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2021-11-20 23:36:36,483 INFO L854 garLoopResultBuilder]: At program point L301-1(lines 301 319) the Hoare annotation is: false [2021-11-20 23:36:36,483 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-11-20 23:36:36,483 INFO L854 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: false [2021-11-20 23:36:36,483 INFO L858 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2021-11-20 23:36:36,483 INFO L854 garLoopResultBuilder]: At program point L269-2(lines 269 271) the Hoare annotation is: false [2021-11-20 23:36:36,484 INFO L854 garLoopResultBuilder]: At program point L517(line 517) the Hoare annotation is: false [2021-11-20 23:36:36,484 INFO L858 garLoopResultBuilder]: For program point L517-1(line 517) no Hoare annotation was computed. [2021-11-20 23:36:36,484 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 318) no Hoare annotation was computed. [2021-11-20 23:36:36,484 INFO L854 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: false [2021-11-20 23:36:36,484 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 161 175) the Hoare annotation is: false [2021-11-20 23:36:36,484 INFO L858 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L854 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: false [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L221-1(line 221) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L854 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: false [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 332) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L321-1(lines 321 332) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 317) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2021-11-20 23:36:36,485 INFO L854 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: false [2021-11-20 23:36:36,485 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-11-20 23:36:36,486 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:36:36,486 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 504 520) the Hoare annotation is: false [2021-11-20 23:36:36,486 INFO L854 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: false [2021-11-20 23:36:36,486 INFO L858 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2021-11-20 23:36:36,486 INFO L854 garLoopResultBuilder]: At program point L273-2(lines 273 275) the Hoare annotation is: false [2021-11-20 23:36:36,486 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 465) no Hoare annotation was computed. [2021-11-20 23:36:36,486 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 331) no Hoare annotation was computed. [2021-11-20 23:36:36,486 INFO L854 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: false [2021-11-20 23:36:36,486 INFO L854 garLoopResultBuilder]: At program point L406-1(lines 404 427) the Hoare annotation is: false [2021-11-20 23:36:36,487 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 314) no Hoare annotation was computed. [2021-11-20 23:36:36,487 INFO L854 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: false [2021-11-20 23:36:36,487 INFO L858 garLoopResultBuilder]: For program point L324-1(line 324) no Hoare annotation was computed. [2021-11-20 23:36:36,487 INFO L854 garLoopResultBuilder]: At program point L225(lines 201 227) the Hoare annotation is: (= |ULTIMATE.start_init_#res#1| 0) [2021-11-20 23:36:36,487 INFO L854 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: false [2021-11-20 23:36:36,487 INFO L858 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2021-11-20 23:36:36,488 INFO L854 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2021-11-20 23:36:36,488 INFO L858 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2021-11-20 23:36:36,488 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 330) no Hoare annotation was computed. [2021-11-20 23:36:36,488 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 465) no Hoare annotation was computed. [2021-11-20 23:36:36,488 INFO L854 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: false [2021-11-20 23:36:36,489 INFO L854 garLoopResultBuilder]: At program point L375-1(lines 373 396) the Hoare annotation is: false [2021-11-20 23:36:36,489 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2021-11-20 23:36:36,489 INFO L858 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2021-11-20 23:36:36,489 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-20 23:36:36,489 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 465) no Hoare annotation was computed. [2021-11-20 23:36:36,489 INFO L854 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: false [2021-11-20 23:36:36,490 INFO L854 garLoopResultBuilder]: At program point L293(lines 280 296) the Hoare annotation is: false [2021-11-20 23:36:36,490 INFO L858 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2021-11-20 23:36:36,490 INFO L854 garLoopResultBuilder]: At program point L260-1(line 260) the Hoare annotation is: false [2021-11-20 23:36:36,490 INFO L858 garLoopResultBuilder]: For program point L277-2(lines 266 297) no Hoare annotation was computed. [2021-11-20 23:36:36,490 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 329) no Hoare annotation was computed. [2021-11-20 23:36:36,490 INFO L858 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2021-11-20 23:36:36,491 INFO L854 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2021-11-20 23:36:36,491 INFO L854 garLoopResultBuilder]: At program point L344-1(lines 342 365) the Hoare annotation is: false [2021-11-20 23:36:36,491 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 299) no Hoare annotation was computed. [2021-11-20 23:36:36,491 INFO L854 garLoopResultBuilder]: At program point L262-1(lines 262 299) the Hoare annotation is: false [2021-11-20 23:36:36,491 INFO L854 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2021-11-20 23:36:36,492 INFO L858 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2021-11-20 23:36:36,492 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-11-20 23:36:36,492 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-11-20 23:36:36,492 INFO L858 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2021-11-20 23:36:36,492 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 216) no Hoare annotation was computed. [2021-11-20 23:36:36,492 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 298) no Hoare annotation was computed. [2021-11-20 23:36:36,493 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 291) no Hoare annotation was computed. [2021-11-20 23:36:36,493 INFO L854 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: false [2021-11-20 23:36:36,493 INFO L858 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2021-11-20 23:36:36,493 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2021-11-20 23:36:36,493 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 288) no Hoare annotation was computed. [2021-11-20 23:36:36,493 INFO L854 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: false [2021-11-20 23:36:36,493 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 441 465) no Hoare annotation was computed. [2021-11-20 23:36:36,494 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 297) no Hoare annotation was computed. [2021-11-20 23:36:36,494 INFO L854 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= 51 (select |#length| 2)))) (.cse31 (not (= ~g1v~0 0))) (.cse32 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse33 (not (<= ~VALUE2~0 127)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2021-11-20 23:36:36,494 INFO L858 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L854 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse1 (let ((.cse37 (select |#memory_int| 1))) (let ((.cse3 (not (<= ~votedValue_History_0~0 127))) (.cse4 (not (= ~g3v_old~0 0))) (.cse5 (not (= ~g3v_new~0 0))) (.cse6 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse7 (not (= ~g1v_new~0 0))) (.cse8 (not (= (select .cse37 0) 48))) (.cse9 (not (= |#NULL.offset| 0))) (.cse10 (not (= ~g2v~0 0))) (.cse11 (not (<= ~VALUE1~0 127))) (.cse12 (not (= 2 (select |#length| 1)))) (.cse13 (not (= ~g2v_new~0 0))) (.cse14 (not (< 0 |#StackHeapBarrier|))) (.cse15 (not (= (select |#valid| 3) 1))) (.cse16 (not (= ~g1v_old~0 0))) (.cse17 (not (= (select |#length| 3) 12))) (.cse18 (not (= (select |#valid| 0) 0))) (.cse19 (not (= (select .cse37 1) 0))) (.cse20 (not (= ~g3v~0 0))) (.cse21 (not (= (select |#valid| 1) 1))) (.cse22 (not (<= ~votedValue_History_2~0 127))) (.cse23 (not (= ~g2v_old~0 0))) (.cse24 (not (= |#NULL.base| 0))) (.cse25 (not (= (+ ~nomsg~0 1) 0))) (.cse26 (not (<= ~votedValue_History_1~0 127))) (.cse27 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse28 (not (<= ~VALUE3~0 127))) (.cse29 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse30 (not (= (select |#valid| 2) 1))) (.cse31 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse32 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse33 (not (= 51 (select |#length| 2)))) (.cse34 (not (= ~g1v~0 0))) (.cse35 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse36 (not (<= ~VALUE2~0 127)))) (and (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (= |add_history_type_#in~history_id| 1)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))))) (and (or (let ((.cse0 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 0) (<= 0 .cse0) (<= .cse0 0) (<= add_history_type_~var~0 3))) .cse1) (or (< add_history_type_~var~0 3) .cse2 .cse1)))) [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 95) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 72 95) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2021-11-20 23:36:36,495 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 76) no Hoare annotation was computed. [2021-11-20 23:36:36,496 INFO L854 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= 51 (select |#length| 2)))) (.cse31 (not (= ~g1v~0 0))) (.cse32 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse33 (not (<= ~VALUE2~0 127)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2021-11-20 23:36:36,496 INFO L858 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2021-11-20 23:36:36,496 INFO L858 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 57 100) no Hoare annotation was computed. [2021-11-20 23:36:36,497 INFO L854 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse1 (let ((.cse37 (select |#memory_int| 1))) (let ((.cse3 (not (<= ~votedValue_History_0~0 127))) (.cse4 (not (= ~g3v_old~0 0))) (.cse5 (not (= ~g3v_new~0 0))) (.cse6 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse7 (not (= ~g1v_new~0 0))) (.cse8 (not (= (select .cse37 0) 48))) (.cse9 (not (= |#NULL.offset| 0))) (.cse10 (not (= ~g2v~0 0))) (.cse11 (not (<= ~VALUE1~0 127))) (.cse12 (not (= 2 (select |#length| 1)))) (.cse13 (not (= ~g2v_new~0 0))) (.cse14 (not (< 0 |#StackHeapBarrier|))) (.cse15 (not (= (select |#valid| 3) 1))) (.cse16 (not (= ~g1v_old~0 0))) (.cse17 (not (= (select |#length| 3) 12))) (.cse18 (not (= (select |#valid| 0) 0))) (.cse19 (not (= (select .cse37 1) 0))) (.cse20 (not (= ~g3v~0 0))) (.cse21 (not (= (select |#valid| 1) 1))) (.cse22 (not (<= ~votedValue_History_2~0 127))) (.cse23 (not (= ~g2v_old~0 0))) (.cse24 (not (= |#NULL.base| 0))) (.cse25 (not (= (+ ~nomsg~0 1) 0))) (.cse26 (not (<= ~votedValue_History_1~0 127))) (.cse27 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse28 (not (<= ~VALUE3~0 127))) (.cse29 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse30 (not (= (select |#valid| 2) 1))) (.cse31 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse32 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse33 (not (= 51 (select |#length| 2)))) (.cse34 (not (= ~g1v~0 0))) (.cse35 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse36 (not (<= ~VALUE2~0 127)))) (and (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (= |add_history_type_#in~history_id| 1)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))))) (and (or (let ((.cse0 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (not (= add_history_type_~history_id 0)) (<= 0 .cse0) (<= .cse0 0) (<= add_history_type_~var~0 3) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1))) .cse1) (or .cse2 .cse1)))) [2021-11-20 23:36:36,497 INFO L858 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2021-11-20 23:36:36,497 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 71 97) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse1 (let ((.cse38 (select |#memory_int| 1))) (let ((.cse4 (not (<= ~votedValue_History_0~0 127))) (.cse5 (not (= ~g3v_old~0 0))) (.cse6 (not (= ~g3v_new~0 0))) (.cse7 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse8 (not (= ~g1v_new~0 0))) (.cse9 (not (= (select .cse38 0) 48))) (.cse10 (not (= |#NULL.offset| 0))) (.cse11 (not (= ~g2v~0 0))) (.cse12 (not (<= ~VALUE1~0 127))) (.cse13 (not (= 2 (select |#length| 1)))) (.cse14 (not (= ~g2v_new~0 0))) (.cse15 (not (< 0 |#StackHeapBarrier|))) (.cse16 (not (= (select |#valid| 3) 1))) (.cse17 (not (= ~g1v_old~0 0))) (.cse18 (not (= (select |#length| 3) 12))) (.cse19 (not (= (select |#valid| 0) 0))) (.cse20 (not (= (select .cse38 1) 0))) (.cse21 (not (= ~g3v~0 0))) (.cse22 (not (= (select |#valid| 1) 1))) (.cse23 (not (<= ~votedValue_History_2~0 127))) (.cse24 (not (= ~g2v_old~0 0))) (.cse25 (not (= |#NULL.base| 0))) (.cse26 (not (= (+ ~nomsg~0 1) 0))) (.cse27 (not (<= ~votedValue_History_1~0 127))) (.cse28 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse29 (not (<= ~VALUE3~0 127))) (.cse30 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse31 (not (= (select |#valid| 2) 1))) (.cse32 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse33 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse34 (not (= 51 (select |#length| 2)))) (.cse35 (not (= ~g1v~0 0))) (.cse36 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse37 (not (<= ~VALUE2~0 127)))) (and (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (not (= |add_history_type_#in~history_id| 1)) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37)))))) (and (or (let ((.cse0 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~ini_bool~0) (<= 0 add_history_type_~var~0) (<= 0 .cse0) (<= .cse0 0) (<= add_history_type_~ini_bool~0 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1))) .cse1) (let ((.cse3 (= add_history_type_~history_id 0))) (or .cse2 (and (= add_history_type_~tmp~0 (mod add_history_type_~ini_bool~0 256)) .cse3) (and (= add_history_type_~var~0 0) .cse3) .cse1))))) [2021-11-20 23:36:36,497 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2021-11-20 23:36:36,497 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-11-20 23:36:36,498 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 82) no Hoare annotation was computed. [2021-11-20 23:36:36,498 INFO L861 garLoopResultBuilder]: At program point add_history_typeENTRY(lines 57 100) the Hoare annotation is: true [2021-11-20 23:36:36,498 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 95) no Hoare annotation was computed. [2021-11-20 23:36:36,498 INFO L858 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 57 100) no Hoare annotation was computed. [2021-11-20 23:36:36,498 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-11-20 23:36:36,498 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 197) no Hoare annotation was computed. [2021-11-20 23:36:36,499 INFO L858 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 176 200) no Hoare annotation was computed. [2021-11-20 23:36:36,499 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 197) no Hoare annotation was computed. [2021-11-20 23:36:36,499 INFO L861 garLoopResultBuilder]: At program point write_history_boolENTRY(lines 176 200) the Hoare annotation is: true [2021-11-20 23:36:36,499 INFO L861 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: true [2021-11-20 23:36:36,499 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 176 200) no Hoare annotation was computed. [2021-11-20 23:36:36,502 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:36,504 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:36:36,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:36:36 BoogieIcfgContainer [2021-11-20 23:36:36,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:36:36,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:36:36,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:36:36,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:36:36,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:36" (3/4) ... [2021-11-20 23:36:36,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:36:36,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2021-11-20 23:36:36,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2021-11-20 23:36:36,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2021-11-20 23:36:36,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2021-11-20 23:36:36,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2021-11-20 23:36:36,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-11-20 23:36:36,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-20 23:36:36,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 23:36:36,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:36:36,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 [2021-11-20 23:36:36,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 <= ini_bool && 0 <= var) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && ini_bool <= 0) && 0 <= history_id) && history_id <= 1) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)))) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (var == 0 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)))) [2021-11-20 23:36:36,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:36:36,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:36:36,658 INFO L158 Benchmark]: Toolchain (without parser) took 62127.90ms. Allocated memory was 98.6MB in the beginning and 308.3MB in the end (delta: 209.7MB). Free memory was 63.0MB in the beginning and 121.3MB in the end (delta: -58.3MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,658 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:36:36,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.92ms. Allocated memory is still 98.6MB. Free memory was 62.6MB in the beginning and 67.3MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,660 INFO L158 Benchmark]: Boogie Preprocessor took 44.52ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,660 INFO L158 Benchmark]: RCFGBuilder took 935.26ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 58.8MB in the end (delta: 3.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,660 INFO L158 Benchmark]: TraceAbstraction took 60410.49ms. Allocated memory was 98.6MB in the beginning and 308.3MB in the end (delta: 209.7MB). Free memory was 58.3MB in the beginning and 132.8MB in the end (delta: -74.5MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,661 INFO L158 Benchmark]: Witness Printer took 120.62ms. Allocated memory is still 308.3MB. Free memory was 132.8MB in the beginning and 121.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:36:36,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.92ms. Allocated memory is still 98.6MB. Free memory was 62.6MB in the beginning and 67.3MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.52ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.26ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 58.8MB in the end (delta: 3.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 60410.49ms. Allocated memory was 98.6MB in the beginning and 308.3MB in the end (delta: 209.7MB). Free memory was 58.3MB in the beginning and 132.8MB in the end (delta: -74.5MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. * Witness Printer took 120.62ms. Allocated memory is still 308.3MB. Free memory was 132.8MB in the beginning and 121.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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: 531]: 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 6 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 4059 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2977 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1352 IncrementalHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 1264 mSDtfsCounter, 1352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 253 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=6, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 45 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 571 PreInvPairs, 586 NumberOfFragments, 3530 HoareAnnotationTreeSize, 571 FomulaSimplifications, 175 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11206 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 116/133 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: 33.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 75, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME: 20.7s, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME: 6.0s, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME: 6.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 230, TOOLS_QUANTIFIERELIM_TIME: 32.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.9s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 274, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 15.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 15.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 2.3s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 2.3s, 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: 713, DAG_COMPRESSION_RETAINED_NODES: 167, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: \result == 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((0 <= ini_bool && 0 <= var) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && ini_bool <= 0) && 0 <= history_id) && history_id <= 1) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)))) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (var == 0 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(51 == unknown-#length-unknown[2])) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)))) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:36:36,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caf8222-b756-448c-b4c6-541774fa40af/bin/utaipan-TEXQjIfE4P/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