./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl --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 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:33,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:33,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:33,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:33,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:33,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:33,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:33,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:33,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:33,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:33,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:33,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:33,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:33,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:33,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:33,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:33,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:33,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:33,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:33,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:33,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:33,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:33,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:33,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:33,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:33,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:33,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:33,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:33,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:33,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:33,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:33,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:33,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:33,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:33,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:33,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:33,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:33,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:33,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:33,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:33,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:33,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:28:33,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:33,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:33,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:33,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:33,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:33,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:33,804 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:33,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:33,805 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:33,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:28:33,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:33,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:33,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:28:33,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:28:33,807 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:33,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:28:33,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:28:33,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:28:33,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:33,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:33,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:28:33,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:33,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:33,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:33,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:33,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:33,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:33,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:33,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:33,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:33,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:33,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:33,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:33,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:33,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:33,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:33,817 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:28:33,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:28:33,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:33,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:33,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:33,819 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_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c [2021-11-23 17:28:34,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:34,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:34,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:34,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:34,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:34,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-11-23 17:28:34,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/06d7db58b/d498b544ded6458cb06ce46b5e7e9007/FLAG7e1f47b66 [2021-11-23 17:28:35,062 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:35,063 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-11-23 17:28:35,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/06d7db58b/d498b544ded6458cb06ce46b5e7e9007/FLAG7e1f47b66 [2021-11-23 17:28:35,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/06d7db58b/d498b544ded6458cb06ce46b5e7e9007 [2021-11-23 17:28:35,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:35,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:35,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:35,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:35,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:35,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:35" (1/1) ... [2021-11-23 17:28:35,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e23534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:35, skipping insertion in model container [2021-11-23 17:28:35,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:35" (1/1) ... [2021-11-23 17:28:35,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:35,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:35,708 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_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2021-11-23 17:28:35,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:35,935 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:35,972 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_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2021-11-23 17:28:36,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:36,118 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:36,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36 WrapperNode [2021-11-23 17:28:36,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:36,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:36,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:36,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:36,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,254 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 17:28:36,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:36,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:36,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:36,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:36,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:36,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:36,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:36,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:36,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:36" (1/1) ... [2021-11-23 17:28:36,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:36,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:36,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:36,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:36,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:36,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:36,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:28:37,951 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:28:37,996 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:28:38,006 INFO L158 Benchmark]: Toolchain (without parser) took 2715.71ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 38.3MB in the end (delta: 36.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-23 17:28:38,007 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:28:38,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.36ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 57.8MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:28:38,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.09ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 74.2MB in the end (delta: -16.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 17:28:38,010 INFO L158 Benchmark]: Boogie Preprocessor took 159.26ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 69.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:28:38,011 INFO L158 Benchmark]: RCFGBuilder took 1583.34ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 38.3MB in the end (delta: 30.9MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-11-23 17:28:38,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.36ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 57.8MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.09ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 74.2MB in the end (delta: -16.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.26ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 69.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1583.34ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 38.3MB in the end (delta: 30.9MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:28:38,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl --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 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:40,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:40,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:41,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:41,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:41,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:41,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:41,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:41,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:41,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:41,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:41,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:41,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:41,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:41,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:41,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:41,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:41,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:41,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:41,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:41,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:41,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:41,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:41,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:41,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:41,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:41,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:41,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:41,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:41,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:41,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:41,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:41,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:41,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:41,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:41,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:41,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:41,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:41,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:41,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:41,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:41,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:28:41,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:41,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:41,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:41,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:41,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:41,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:41,182 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:41,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:41,182 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:41,183 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:41,183 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:41,183 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:41,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:41,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:41,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:41,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:41,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:41,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:41,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:41,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:28:41,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:28:41,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:28:41,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:41,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:41,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:41,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:41,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:41,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:28:41,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:41,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:41,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:41,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:41,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:41,190 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:28:41,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:28:41,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:41,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:41,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:41,192 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c [2021-11-23 17:28:41,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:41,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:41,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:41,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:41,747 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:41,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-11-23 17:28:41,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/d4ad5e0bd/ac75f2cb616c419aaab60705888ea6a3/FLAG9f2ef741a [2021-11-23 17:28:42,624 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:42,625 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-11-23 17:28:42,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/d4ad5e0bd/ac75f2cb616c419aaab60705888ea6a3/FLAG9f2ef741a [2021-11-23 17:28:42,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/data/d4ad5e0bd/ac75f2cb616c419aaab60705888ea6a3 [2021-11-23 17:28:42,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:42,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:42,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:42,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:42,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:42,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fd9e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:42, skipping insertion in model container [2021-11-23 17:28:42,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:42" (1/1) ... [2021-11-23 17:28:42,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:42,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:43,212 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_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2021-11-23 17:28:43,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:43,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:43,520 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_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2021-11-23 17:28:43,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:43,701 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:43,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43 WrapperNode [2021-11-23 17:28:43,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:43,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:43,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:43,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:43,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,811 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 595 [2021-11-23 17:28:43,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:43,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:43,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:43,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:43,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:43,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:43,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:43,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:43,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (1/1) ... [2021-11-23 17:28:43,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:43,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:43,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:28:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:44,172 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:44,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:28:47,745 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:28:47,764 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:28:47,764 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:28:47,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:28:47 BoogieIcfgContainer [2021-11-23 17:28:47,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:28:47,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:28:47,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:28:47,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:28:47,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:28:42" (1/3) ... [2021-11-23 17:28:47,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8d769a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:28:47, skipping insertion in model container [2021-11-23 17:28:47,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:43" (2/3) ... [2021-11-23 17:28:47,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8d769a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:28:47, skipping insertion in model container [2021-11-23 17:28:47,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:28:47" (3/3) ... [2021-11-23 17:28:47,789 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2021-11-23 17:28:47,797 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:28:47,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:28:47,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:28:47,891 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 [2021-11-23 17:28:47,892 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:28:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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) [2021-11-23 17:28:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 17:28:47,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:28:47,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:28:47,934 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:28:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:28:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2021-11-23 17:28:47,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:28:47,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158520795] [2021-11-23 17:28:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:28:47,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:28:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:28:47,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:28:47,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:28:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:28:48,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:28:48,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:28:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:28:48,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:28:48,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:28:48,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158520795] [2021-11-23 17:28:48,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158520795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:28:48,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:28:48,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 17:28:48,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60329981] [2021-11-23 17:28:48,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:28:48,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:28:48,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:28:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:28:48,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:28:48,428 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2021-11-23 17:28:52,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:28:52,091 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-11-23 17:28:52,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:28:52,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-23 17:28:52,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:28:52,111 INFO L225 Difference]: With dead ends: 552 [2021-11-23 17:28:52,112 INFO L226 Difference]: Without dead ends: 282 [2021-11-23 17:28:52,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:28:52,121 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 141 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:28:52,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 101 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 17:28:52,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-23 17:28:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-23 17:28:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4483985765124556) internal successors, (407), 281 states have internal predecessors, (407), 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) [2021-11-23 17:28:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 407 transitions. [2021-11-23 17:28:52,198 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 407 transitions. Word has length 41 [2021-11-23 17:28:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:28:52,199 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 407 transitions. [2021-11-23 17:28:52,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2021-11-23 17:28:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 407 transitions. [2021-11-23 17:28:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 17:28:52,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:28:52,207 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:28:52,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:28:52,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:28:52,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:28:52,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:28:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1309256591, now seen corresponding path program 1 times [2021-11-23 17:28:52,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:28:52,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515315011] [2021-11-23 17:28:52,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:28:52,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:28:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:28:52,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:28:52,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:28:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:28:52,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:28:52,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:28:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:28:52,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:28:52,933 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:28:52,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515315011] [2021-11-23 17:28:52,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515315011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:28:52,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:28:52,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 17:28:52,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893789554] [2021-11-23 17:28:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:28:52,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:28:52,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:28:52,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:28:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:28:52,938 INFO L87 Difference]: Start difference. First operand 282 states and 407 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-11-23 17:28:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:28:56,342 INFO L93 Difference]: Finished difference Result 840 states and 1216 transitions. [2021-11-23 17:28:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:28:56,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-11-23 17:28:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:28:56,349 INFO L225 Difference]: With dead ends: 840 [2021-11-23 17:28:56,350 INFO L226 Difference]: Without dead ends: 560 [2021-11-23 17:28:56,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:28:56,355 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 74 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 17:28:56,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 77 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 17:28:56,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-11-23 17:28:56,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-11-23 17:28:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2790697674418605) internal successors, (715), 559 states have internal predecessors, (715), 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) [2021-11-23 17:28:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 715 transitions. [2021-11-23 17:28:56,407 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 715 transitions. Word has length 109 [2021-11-23 17:28:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:28:56,408 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 715 transitions. [2021-11-23 17:28:56,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-11-23 17:28:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 715 transitions. [2021-11-23 17:28:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 17:28:56,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:28:56,416 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:28:56,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:28:56,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:28:56,630 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:28:56,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:28:56,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1133758336, now seen corresponding path program 1 times [2021-11-23 17:28:56,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:28:56,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701152432] [2021-11-23 17:28:56,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:28:56,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:28:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:28:56,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:28:56,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:28:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:28:56,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 17:28:56,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:28:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:28:57,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:29:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:29:01,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:29:01,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701152432] [2021-11-23 17:29:01,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701152432] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:29:01,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718962878] [2021-11-23 17:29:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:01,544 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:29:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:29:01,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:29:01,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-23 17:29:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:29:01,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:29:01,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:29:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:29:02,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:29:02,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1718962878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:29:02,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 17:29:02,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 8 [2021-11-23 17:29:02,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309327905] [2021-11-23 17:29:02,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:29:02,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:29:02,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:29:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:29:02,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-23 17:29:02,039 INFO L87 Difference]: Start difference. First operand 560 states and 715 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2021-11-23 17:29:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:29:05,599 INFO L93 Difference]: Finished difference Result 1396 states and 1832 transitions. [2021-11-23 17:29:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:29:05,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-23 17:29:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:29:05,607 INFO L225 Difference]: With dead ends: 1396 [2021-11-23 17:29:05,607 INFO L226 Difference]: Without dead ends: 838 [2021-11-23 17:29:05,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-23 17:29:05,611 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 108 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 17:29:05,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 206 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 17:29:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-11-23 17:29:05,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-11-23 17:29:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2461170848267622) internal successors, (1043), 837 states have internal predecessors, (1043), 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) [2021-11-23 17:29:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions. [2021-11-23 17:29:05,654 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 116 [2021-11-23 17:29:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:29:05,655 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions. [2021-11-23 17:29:05,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2021-11-23 17:29:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions. [2021-11-23 17:29:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 17:29:05,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:29:05,665 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:29:05,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 17:29:05,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:29:06,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 17:29:06,079 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:29:06,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:29:06,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1784071274, now seen corresponding path program 1 times [2021-11-23 17:29:06,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:29:06,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704542632] [2021-11-23 17:29:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:06,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:29:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:29:06,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:29:06,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 17:29:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:29:06,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 17:29:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:29:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 17:29:07,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:29:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 18 proven. 107 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 17:29:11,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:29:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704542632] [2021-11-23 17:29:11,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704542632] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:29:11,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [401884218] [2021-11-23 17:29:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:11,680 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:29:11,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:29:11,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:29:11,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-23 17:29:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:29:11,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 17:29:11,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:29:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:29:14,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:29:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:29:15,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [401884218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:29:15,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389004209] [2021-11-23 17:29:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:15,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:29:15,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:29:15,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 17:29:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 17:29:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:29:16,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 17:29:16,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:29:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-23 17:29:17,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:29:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-23 17:29:18,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389004209] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:29:18,932 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 17:29:18,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 8, 8, 4, 4] total 18 [2021-11-23 17:29:18,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235276462] [2021-11-23 17:29:18,933 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 17:29:18,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 17:29:18,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:29:18,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 17:29:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-23 17:29:18,938 INFO L87 Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand has 18 states, 18 states have (on average 32.55555555555556) internal successors, (586), 18 states have internal predecessors, (586), 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) [2021-11-23 17:29:45,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:12,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:15,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:31,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:37,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:39,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 17:30:41,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:30:41,113 INFO L93 Difference]: Finished difference Result 2968 states and 3781 transitions. [2021-11-23 17:30:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 17:30:41,117 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 32.55555555555556) internal successors, (586), 18 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2021-11-23 17:30:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:30:41,131 INFO L225 Difference]: With dead ends: 2968 [2021-11-23 17:30:41,132 INFO L226 Difference]: Without dead ends: 1950 [2021-11-23 17:30:41,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2021-11-23 17:30:41,135 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 886 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 4373 mSolverCounterSat, 586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 4373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:30:41,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [886 Valid, 121 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [586 Valid, 4373 Invalid, 0 Unknown, 0 Unchecked, 80.6s Time] [2021-11-23 17:30:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-11-23 17:30:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255. [2021-11-23 17:30:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2320574162679425) internal successors, (1545), 1254 states have internal predecessors, (1545), 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) [2021-11-23 17:30:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1545 transitions. [2021-11-23 17:30:41,186 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1545 transitions. Word has length 185 [2021-11-23 17:30:41,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:30:41,187 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1545 transitions. [2021-11-23 17:30:41,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 32.55555555555556) internal successors, (586), 18 states have internal predecessors, (586), 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) [2021-11-23 17:30:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1545 transitions. [2021-11-23 17:30:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 17:30:41,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:30:41,195 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-11-23 17:30:41,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 17:30:41,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-23 17:30:41,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-23 17:30:41,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:30:41,812 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:30:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:30:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash -570086383, now seen corresponding path program 1 times [2021-11-23 17:30:41,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:30:41,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893301953] [2021-11-23 17:30:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:30:41,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:30:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:30:41,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:30:41,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 17:30:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:30:41,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:30:41,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:30:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:30:42,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:30:42,518 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:30:42,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893301953] [2021-11-23 17:30:42,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893301953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:30:42,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:30:42,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:30:42,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537499397] [2021-11-23 17:30:42,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:30:42,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:30:42,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:30:42,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:30:42,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:30:42,521 INFO L87 Difference]: Start difference. First operand 1255 states and 1545 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-23 17:30:45,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:30:45,558 INFO L93 Difference]: Finished difference Result 2786 states and 3547 transitions. [2021-11-23 17:30:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:30:45,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2021-11-23 17:30:45,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:30:45,570 INFO L225 Difference]: With dead ends: 2786 [2021-11-23 17:30:45,571 INFO L226 Difference]: Without dead ends: 1672 [2021-11-23 17:30:45,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:30:45,574 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 17:30:45,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 211 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 17:30:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-11-23 17:30:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1394. [2021-11-23 17:30:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.2160804020100502) internal successors, (1694), 1393 states have internal predecessors, (1694), 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) [2021-11-23 17:30:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1694 transitions. [2021-11-23 17:30:45,621 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1694 transitions. Word has length 222 [2021-11-23 17:30:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:30:45,622 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 1694 transitions. [2021-11-23 17:30:45,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-23 17:30:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1694 transitions. [2021-11-23 17:30:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 17:30:45,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:30:45,629 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2021-11-23 17:30:45,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 17:30:45,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:30:45,845 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:30:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:30:45,846 INFO L85 PathProgramCache]: Analyzing trace with hash 839206778, now seen corresponding path program 1 times [2021-11-23 17:30:45,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:30:45,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906734787] [2021-11-23 17:30:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:30:45,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:30:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:30:45,854 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:30:45,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 17:30:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:30:46,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 17:30:46,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:30:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 46 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:30:47,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:31:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 46 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:31:13,898 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:31:13,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906734787] [2021-11-23 17:31:13,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906734787] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:31:13,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1378662769] [2021-11-23 17:31:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:31:13,899 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:31:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:31:13,900 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:31:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-23 17:31:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:31:14,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 17:31:14,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:31:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-23 17:31:16,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:31:16,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1378662769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:31:16,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 17:31:16,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4] total 13 [2021-11-23 17:31:16,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39873540] [2021-11-23 17:31:16,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:31:16,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 17:31:16,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:31:16,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 17:31:16,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-23 17:31:16,148 INFO L87 Difference]: Start difference. First operand 1394 states and 1694 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2021-11-23 17:31:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:31:20,807 INFO L93 Difference]: Finished difference Result 3108 states and 3842 transitions. [2021-11-23 17:31:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 17:31:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 289 [2021-11-23 17:31:20,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:31:20,809 INFO L225 Difference]: With dead ends: 3108 [2021-11-23 17:31:20,810 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 17:31:20,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-23 17:31:20,814 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 606 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-23 17:31:20,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 39 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-23 17:31:20,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 17:31:20,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 17:31:20,816 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) [2021-11-23 17:31:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 17:31:20,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2021-11-23 17:31:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:31:20,817 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 17:31:20,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2021-11-23 17:31:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 17:31:20,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 17:31:20,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:31:20,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-23 17:31:21,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-23 17:31:21,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 17:31:21,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 17:31:23,922 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-11-23 17:31:23,922 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-11-23 17:31:23,922 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-11-23 17:31:23,922 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,923 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,925 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,926 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-11-23 17:31:23,926 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-23 17:31:23,926 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-23 17:31:23,926 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-23 17:31:23,927 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-23 17:31:23,927 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,928 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-23 17:31:23,929 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,930 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-23 17:31:23,931 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-11-23 17:31:23,932 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-11-23 17:31:23,933 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,933 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,933 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,933 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,933 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-23 17:31:23,934 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-23 17:31:23,935 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-23 17:31:23,935 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-23 17:31:23,935 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-23 17:31:23,935 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-11-23 17:31:23,935 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,936 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,937 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-11-23 17:31:23,937 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-11-23 17:31:23,937 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-11-23 17:31:23,937 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-11-23 17:31:23,937 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-11-23 17:31:23,938 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-11-23 17:31:23,939 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-11-23 17:31:23,939 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-11-23 17:31:23,939 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-11-23 17:31:23,939 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,939 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 17:31:23,940 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-23 17:31:23,941 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-23 17:31:23,941 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-23 17:31:23,941 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-23 17:31:23,941 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-23 17:31:23,942 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= (_ bv14 32) ~a4~0)) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse2 (bvslt (_ bv218 32) (bvadd (_ bv331501 32) (bvsdiv ~a1~0 (_ bv5 32)))))) (or (and .cse0 .cse1 .cse2 (= (_ bv2 32) ~a10~0)) (and (bvslt (_ bv218 32) ~a1~0) .cse0 .cse1 (= (_ bv1 32) ~a10~0)) (and (not (= (_ bv8 32) ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (= (_ bv4 32) ~a10~0)) (and .cse0 .cse1 .cse2 (= (_ bv0 32) ~a10~0)))) [2021-11-23 17:31:23,942 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-11-23 17:31:23,942 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-11-23 17:31:23,942 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,943 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,944 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-11-23 17:31:23,944 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-11-23 17:31:23,944 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-11-23 17:31:23,944 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-23 17:31:23,944 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-23 17:31:23,945 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-23 17:31:23,945 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-23 17:31:23,945 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-23 17:31:23,945 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-11-23 17:31:23,945 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-11-23 17:31:23,946 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-11-23 17:31:23,946 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-11-23 17:31:23,946 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-11-23 17:31:23,946 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-11-23 17:31:23,946 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 17:31:23,946 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,947 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,947 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,947 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,947 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,947 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-11-23 17:31:23,948 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-11-23 17:31:23,949 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-11-23 17:31:23,949 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-11-23 17:31:23,949 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,949 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,949 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-11-23 17:31:23,950 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-11-23 17:31:23,951 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-11-23 17:31:23,951 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-23 17:31:23,951 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-23 17:31:23,951 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-23 17:31:23,951 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-23 17:31:23,952 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-23 17:31:23,952 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-11-23 17:31:23,952 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-11-23 17:31:23,952 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-11-23 17:31:23,952 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= (_ bv14 32) ~a4~0)) (.cse1 (= (_ bv0 32) ~a12~0)) (.cse2 (bvslt (_ bv218 32) (bvadd (_ bv331501 32) (bvsdiv ~a1~0 (_ bv5 32)))))) (or (and .cse0 .cse1 .cse2 (= (_ bv2 32) ~a10~0)) (and (bvslt (_ bv218 32) ~a1~0) .cse0 .cse1 (= (_ bv1 32) ~a10~0)) (and (not (= (_ bv8 32) ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (= (_ bv4 32) ~a10~0)) (and .cse0 .cse1 .cse2 (= (_ bv0 32) ~a10~0)))) [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,953 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-11-23 17:31:23,954 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-23 17:31:23,955 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-23 17:31:23,955 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-23 17:31:23,955 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-23 17:31:23,955 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-23 17:31:23,955 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-11-23 17:31:23,956 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,957 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-11-23 17:31:23,958 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-11-23 17:31:23,958 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-11-23 17:31:23,958 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-11-23 17:31:23,958 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-23 17:31:23,958 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-23 17:31:23,962 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-23 17:31:23,962 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-23 17:31:23,962 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-23 17:31:23,962 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-23 17:31:23,965 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-23 17:31:23,966 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:31:23,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:31:23 BoogieIcfgContainer [2021-11-23 17:31:23,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:31:23,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:31:23,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:31:23,988 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:31:23,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:28:47" (3/4) ... [2021-11-23 17:31:23,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 17:31:24,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 17:31:24,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 17:31:24,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 17:31:24,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 17:31:24,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 17:31:24,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:31:24,180 INFO L158 Benchmark]: Toolchain (without parser) took 161364.50ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 41.1MB in the beginning and 51.9MB in the end (delta: -10.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,180 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:31:24,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.91ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 40.9MB in the beginning and 54.7MB in the end (delta: -13.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.04ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 49.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,182 INFO L158 Benchmark]: Boogie Preprocessor took 135.48ms. Allocated memory is still 77.6MB. Free memory was 49.3MB in the beginning and 45.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,182 INFO L158 Benchmark]: RCFGBuilder took 3827.83ms. Allocated memory is still 77.6MB. Free memory was 45.1MB in the beginning and 53.6MB in the end (delta: -8.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,183 INFO L158 Benchmark]: TraceAbstraction took 156207.29ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 66.5MB in the end (delta: -13.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,183 INFO L158 Benchmark]: Witness Printer took 191.09ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 51.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:31:24,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.91ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 40.9MB in the beginning and 54.7MB in the end (delta: -13.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.04ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 49.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.48ms. Allocated memory is still 77.6MB. Free memory was 49.3MB in the beginning and 45.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3827.83ms. Allocated memory is still 77.6MB. Free memory was 45.1MB in the beginning and 53.6MB in the end (delta: -8.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 156207.29ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 66.5MB in the end (delta: -13.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 191.09ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 51.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 137]: 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 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 156.1s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 100.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1844 SdHoareTripleChecker+Valid, 98.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 755 SdHoareTripleChecker+Invalid, 90.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 149 mSDsCounter, 1061 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6610 IncrementalHoareTripleChecker+Invalid, 7671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1061 mSolverCounterUnsat, 606 mSDtfsCounter, 6610 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2698 GetRequests, 2654 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=5, InterpolantAutomatonStates: 30, 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, 6 MinimizatonAttempts, 973 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 139 HoareAnnotationTreeSize, 3 FomulaSimplifications, 122 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1454 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 48.5s InterpolantComputationTime, 1737 NumberOfCodeBlocks, 1737 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2682 ConstructedInterpolants, 0 QuantifiedInterpolants, 16236 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2193 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 959/1725 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) || (((~bvslt32(218bv32, a1) && 14bv32 == a4) && 0bv32 == a12) && 1bv32 == a10)) || ((!(8bv32 == a19) && 14bv32 == a4) && 0bv32 == a12)) || ((14bv32 == a4 && 0bv32 == a12) && 4bv32 == a10)) || (((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 0bv32 == a10) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 2bv32 == a10) || (((~bvslt32(218bv32, a1) && 14bv32 == a4) && 0bv32 == a12) && 1bv32 == a10)) || ((!(8bv32 == a19) && 14bv32 == a4) && 0bv32 == a12)) || ((14bv32 == a4 && 0bv32 == a12) && 4bv32 == a10)) || (((14bv32 == a4 && 0bv32 == a12) && ~bvslt32(218bv32, ~bvadd64(331501bv32, ~bvsdiv32(a1, 5bv32)))) && 0bv32 == a10) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 17:31:24,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be1f5d4-aef6-40d4-8709-0a04b54fde4c/bin/utaipan-fb15Y9Yzbl/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