./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs --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 f9b6d15e9cf1a62e23633b1d901c307266257857 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs --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 f9b6d15e9cf1a62e23633b1d901c307266257857 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:10:25,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:10:25,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:10:25,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:10:25,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:10:25,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:10:25,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:10:25,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:10:25,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:10:25,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:10:25,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:10:25,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:10:25,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:10:25,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:10:25,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:10:25,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:10:25,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:10:25,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:10:25,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:10:25,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:10:25,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:10:25,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:10:25,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:10:25,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:10:25,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:10:25,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:10:25,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:10:25,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:10:25,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:10:25,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:10:25,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:10:25,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:10:25,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:10:25,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:10:25,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:10:25,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:10:25,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:10:25,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:10:25,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:10:25,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:10:25,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:10:25,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:10:25,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:10:25,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:10:25,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:10:25,194 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:10:25,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:10:25,195 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:10:25,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:10:25,196 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:10:25,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:10:25,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:10:25,198 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:10:25,198 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:10:25,198 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:10:25,199 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:10:25,199 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:10:25,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:10:25,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:10:25,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:10:25,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:10:25,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:10:25,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:10:25,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:10:25,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:10:25,203 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:10:25,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:10:25,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:10:25,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:10:25,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:10:25,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:10:25,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:10:25,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:10:25,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:10:25,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:10:25,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:10:25,207 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:10:25,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:10:25,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:10:25,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:10:25,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:10:25,209 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_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b6d15e9cf1a62e23633b1d901c307266257857 [2021-10-16 02:10:25,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:10:25,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:10:25,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:10:25,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:10:25,520 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:10:25,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-16 02:10:25,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/61596c33f/e725dfec84154713945d4565c5a5f380/FLAG5169261ac [2021-10-16 02:10:26,287 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:10:26,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-16 02:10:26,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/61596c33f/e725dfec84154713945d4565c5a5f380/FLAG5169261ac [2021-10-16 02:10:26,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/61596c33f/e725dfec84154713945d4565c5a5f380 [2021-10-16 02:10:26,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:10:26,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:10:26,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:10:26,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:10:26,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:10:26,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:10:26" (1/1) ... [2021-10-16 02:10:26,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b6167b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:26, skipping insertion in model container [2021-10-16 02:10:26,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:10:26" (1/1) ... [2021-10-16 02:10:26,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:10:26,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:10:26,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-16 02:10:27,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:10:27,222 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:10:27,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-16 02:10:27,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:10:27,491 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:10:27,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27 WrapperNode [2021-10-16 02:10:27,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:10:27,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:10:27,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:10:27,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:10:27,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:10:27,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:10:27,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:10:27,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:10:27,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:10:27,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:10:27,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:10:27,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:10:27,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (1/1) ... [2021-10-16 02:10:27,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:10:27,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:10:27,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:10:27,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:10:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:10:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:10:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:10:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:10:51,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:10:51,185 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:10:51,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:10:51 BoogieIcfgContainer [2021-10-16 02:10:51,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:10:51,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:10:51,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:10:51,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:10:51,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:10:26" (1/3) ... [2021-10-16 02:10:51,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5951cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:10:51, skipping insertion in model container [2021-10-16 02:10:51,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:10:27" (2/3) ... [2021-10-16 02:10:51,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5951cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:10:51, skipping insertion in model container [2021-10-16 02:10:51,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:10:51" (3/3) ... [2021-10-16 02:10:51,202 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2021-10-16 02:10:51,208 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:10:51,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:10:51,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:10:51,267 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, mConcurrency=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 [2021-10-16 02:10:51,267 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:10:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-10-16 02:10:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 02:10:51,285 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:10:51,285 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 02:10:51,286 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:10:51,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:10:51,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1191229865, now seen corresponding path program 1 times [2021-10-16 02:10:51,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:10:51,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982277685] [2021-10-16 02:10:51,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:51,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:10:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:10:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:10:51,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:10:51,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982277685] [2021-10-16 02:10:51,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982277685] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:10:51,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:10:51,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:10:51,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755921599] [2021-10-16 02:10:51,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:10:51,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:10:51,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:10:51,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:10:51,615 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-10-16 02:10:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:10:52,209 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 02:10:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:10:52,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-10-16 02:10:52,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:10:52,221 INFO L225 Difference]: With dead ends: 23 [2021-10-16 02:10:52,221 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:10:52,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:10:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:10:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 02:10:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2021-10-16 02:10:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 02:10:52,257 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 02:10:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:10:52,258 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 02:10:52,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-10-16 02:10:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 02:10:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:10:52,260 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:10:52,260 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 02:10:52,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:10:52,261 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:10:52,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:10:52,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1302113495, now seen corresponding path program 1 times [2021-10-16 02:10:52,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:10:52,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770114035] [2021-10-16 02:10:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:52,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:10:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:10:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:10:52,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:10:52,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770114035] [2021-10-16 02:10:52,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770114035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:10:52,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757243223] [2021-10-16 02:10:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:52,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:10:52,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:10:52,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:10:52,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:10:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:10:53,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:10:53,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:10:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:10:58,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:11:54,225 WARN L207 SmtUtils]: Spent 54.64 s on a formula simplification. DAG size of input: 4102 DAG size of output: 4100 [2021-10-16 02:16:03,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-16 02:16:03,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102493209] [2021-10-16 02:16:03,190 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 02:16:03,190 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:16:03,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:16:03,201 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:16:03,201 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:16:03,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:16:03,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 02:16:03,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:16:03,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 02:16:03,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 02:16:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:16:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:16:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:16:03,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 02:16:03,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:16:03,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:16:03,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:16:03,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:16:03,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:16:03,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 02:16:03,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:16:03,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:158 [2021-10-16 02:16:03,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:16:03,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:16:03,559 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_10| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-10-16 02:16:03,562 INFO L168 Benchmark]: Toolchain (without parser) took 337062.85 ms. Allocated memory was 100.7 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 66.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 568.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,562 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 54.9 MB in the end (delta: 57.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:16:03,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.28 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.6 MB in the beginning and 101.0 MB in the end (delta: -34.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.21 ms. Allocated memory is still 132.1 MB. Free memory was 101.0 MB in the beginning and 83.5 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,565 INFO L168 Benchmark]: Boogie Preprocessor took 142.67 ms. Allocated memory is still 132.1 MB. Free memory was 83.5 MB in the beginning and 74.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,566 INFO L168 Benchmark]: RCFGBuilder took 23368.27 ms. Allocated memory was 132.1 MB in the beginning and 891.3 MB in the end (delta: 759.2 MB). Free memory was 74.3 MB in the beginning and 660.1 MB in the end (delta: -585.8 MB). Peak memory consumption was 399.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,567 INFO L168 Benchmark]: TraceAbstraction took 312370.22 ms. Allocated memory was 891.3 MB in the beginning and 2.3 GB in the end (delta: 1.4 GB). Free memory was 659.1 MB in the beginning and 1.7 GB in the end (delta: -1.0 GB). Peak memory consumption was 369.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:16:03,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 54.9 MB in the end (delta: 57.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 991.28 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.6 MB in the beginning and 101.0 MB in the end (delta: -34.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 183.21 ms. Allocated memory is still 132.1 MB. Free memory was 101.0 MB in the beginning and 83.5 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.67 ms. Allocated memory is still 132.1 MB. Free memory was 83.5 MB in the beginning and 74.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23368.27 ms. Allocated memory was 132.1 MB in the beginning and 891.3 MB in the end (delta: 759.2 MB). Free memory was 74.3 MB in the beginning and 660.1 MB in the end (delta: -585.8 MB). Peak memory consumption was 399.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 312370.22 ms. Allocated memory was 891.3 MB in the beginning and 2.3 GB in the end (delta: 1.4 GB). Free memory was 659.1 MB in the beginning and 1.7 GB in the end (delta: -1.0 GB). Peak memory consumption was 369.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:16:03,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:16:06,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:16:06,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:16:06,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:16:06,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:16:06,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:16:06,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:16:06,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:16:06,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:16:06,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:16:06,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:16:06,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:16:06,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:16:06,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:16:06,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:16:06,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:16:06,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:16:06,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:16:06,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:16:06,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:16:06,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:16:06,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:16:06,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:16:06,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:16:06,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:16:06,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:16:06,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:16:06,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:16:06,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:16:06,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:16:06,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:16:06,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:16:06,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:16:06,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:16:06,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:16:06,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:16:06,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:16:06,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:16:06,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:16:06,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:16:06,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:16:06,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:16:06,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:16:06,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:16:06,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:16:06,504 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:16:06,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:16:06,504 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:16:06,504 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:16:06,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:16:06,505 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:16:06,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:16:06,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:16:06,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:16:06,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:16:06,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:16:06,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:16:06,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:16:06,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:16:06,508 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:16:06,508 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:16:06,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:16:06,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:16:06,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:16:06,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:16:06,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:16:06,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:16:06,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:16:06,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:06,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:16:06,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:16:06,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:16:06,511 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:16:06,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:16:06,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:16:06,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:16:06,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:16:06,512 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_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b6d15e9cf1a62e23633b1d901c307266257857 [2021-10-16 02:16:06,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:16:06,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:16:06,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:16:06,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:16:06,965 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:16:06,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-16 02:16:07,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/8131965ef/3c292720194c4b1a9f852beffaf0a20c/FLAGe1070fbb7 [2021-10-16 02:16:07,814 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:16:07,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-16 02:16:07,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/8131965ef/3c292720194c4b1a9f852beffaf0a20c/FLAGe1070fbb7 [2021-10-16 02:16:07,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/data/8131965ef/3c292720194c4b1a9f852beffaf0a20c [2021-10-16 02:16:07,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:16:07,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:16:07,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:07,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:16:07,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:16:07,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:07" (1/1) ... [2021-10-16 02:16:07,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e365c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:07, skipping insertion in model container [2021-10-16 02:16:07,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:07" (1/1) ... [2021-10-16 02:16:07,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:16:08,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:16:08,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-16 02:16:08,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:08,680 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:16:08,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-16 02:16:08,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:16:08,926 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:16:08,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08 WrapperNode [2021-10-16 02:16:08,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:16:08,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:08,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:16:08,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:16:08,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:08,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:16:09,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:16:09,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:16:09,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:16:09,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:16:09,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:16:09,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:16:09,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:16:09,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (1/1) ... [2021-10-16 02:16:09,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:16:09,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:16:09,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:16:09,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:16:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:16:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:16:18,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:16:18,595 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:16:18,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:18 BoogieIcfgContainer [2021-10-16 02:16:18,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:16:18,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:16:18,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:16:18,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:16:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:16:07" (1/3) ... [2021-10-16 02:16:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686dd583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:18, skipping insertion in model container [2021-10-16 02:16:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:08" (2/3) ... [2021-10-16 02:16:18,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686dd583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:18, skipping insertion in model container [2021-10-16 02:16:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:18" (3/3) ... [2021-10-16 02:16:18,608 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2021-10-16 02:16:18,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:16:18,615 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:16:18,693 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:16:18,701 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, mConcurrency=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 [2021-10-16 02:16:18,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:16:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-10-16 02:16:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 02:16:18,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:18,738 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:16:18,739 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:16:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:16:18,746 INFO L82 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2021-10-16 02:16:18,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:16:18,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328970329] [2021-10-16 02:16:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:16:18,763 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:16:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:16:18,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:16:18,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:16:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:16:18,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:16:18,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:16:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:19,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:16:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:19,772 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:16:19,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328970329] [2021-10-16 02:16:19,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328970329] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:16:19,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:16:19,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:16:19,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372070879] [2021-10-16 02:16:19,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:16:19,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:16:19,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:16:19,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:16:19,814 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-10-16 02:16:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:16:33,852 INFO L93 Difference]: Finished difference Result 959 states and 1737 transitions. [2021-10-16 02:16:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:16:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 57 [2021-10-16 02:16:33,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:16:33,878 INFO L225 Difference]: With dead ends: 959 [2021-10-16 02:16:33,879 INFO L226 Difference]: Without dead ends: 609 [2021-10-16 02:16:33,883 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:16:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-10-16 02:16:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2021-10-16 02:16:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.5235690235690236) internal successors, (905), 594 states have internal predecessors, (905), 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) [2021-10-16 02:16:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 905 transitions. [2021-10-16 02:16:33,967 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 905 transitions. Word has length 57 [2021-10-16 02:16:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:16:33,968 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 905 transitions. [2021-10-16 02:16:33,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-10-16 02:16:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 905 transitions. [2021-10-16 02:16:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-16 02:16:33,977 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:33,977 INFO L512 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, 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] [2021-10-16 02:16:33,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:16:34,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:16:34,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:16:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:16:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 918548798, now seen corresponding path program 1 times [2021-10-16 02:16:34,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:16:34,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523761346] [2021-10-16 02:16:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:16:34,193 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:16:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:16:34,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:16:34,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:16:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:16:34,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:16:34,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:16:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:34,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:16:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:35,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:16:35,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523761346] [2021-10-16 02:16:35,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523761346] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:16:35,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:16:35,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:16:35,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834994626] [2021-10-16 02:16:35,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:16:35,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:16:35,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:16:35,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:16:35,261 INFO L87 Difference]: Start difference. First operand 595 states and 905 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-10-16 02:16:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:16:45,670 INFO L93 Difference]: Finished difference Result 1745 states and 2660 transitions. [2021-10-16 02:16:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:16:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 138 [2021-10-16 02:16:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:16:45,687 INFO L225 Difference]: With dead ends: 1745 [2021-10-16 02:16:45,687 INFO L226 Difference]: Without dead ends: 1152 [2021-10-16 02:16:45,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:16:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2021-10-16 02:16:45,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152. [2021-10-16 02:16:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.4300608166811468) internal successors, (1646), 1151 states have internal predecessors, (1646), 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) [2021-10-16 02:16:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1646 transitions. [2021-10-16 02:16:45,744 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1646 transitions. Word has length 138 [2021-10-16 02:16:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:16:45,745 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 1646 transitions. [2021-10-16 02:16:45,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-10-16 02:16:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1646 transitions. [2021-10-16 02:16:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-16 02:16:45,755 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:45,755 INFO L512 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, 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] [2021-10-16 02:16:45,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:16:45,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:16:45,968 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:16:45,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:16:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1414415725, now seen corresponding path program 1 times [2021-10-16 02:16:45,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:16:45,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018579474] [2021-10-16 02:16:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:16:45,971 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:16:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:16:45,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:16:45,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:16:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:16:46,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:16:46,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:16:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:46,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:16:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:16:47,477 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:16:47,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018579474] [2021-10-16 02:16:47,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018579474] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:16:47,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:16:47,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:16:47,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776062197] [2021-10-16 02:16:47,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:16:47,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:16:47,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:16:47,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:16:47,482 INFO L87 Difference]: Start difference. First operand 1152 states and 1646 transitions. Second operand has 4 states, 4 states have (on average 57.5) internal successors, (230), 3 states have internal predecessors, (230), 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) [2021-10-16 02:16:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:16:59,846 INFO L93 Difference]: Finished difference Result 4151 states and 5866 transitions. [2021-10-16 02:16:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:16:59,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 3 states have internal predecessors, (230), 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 143 [2021-10-16 02:16:59,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:16:59,884 INFO L225 Difference]: With dead ends: 4151 [2021-10-16 02:16:59,885 INFO L226 Difference]: Without dead ends: 3001 [2021-10-16 02:16:59,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:16:59,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2021-10-16 02:16:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2627. [2021-10-16 02:16:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2627 states, 2626 states have (on average 1.2844630616907844) internal successors, (3373), 2626 states have internal predecessors, (3373), 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) [2021-10-16 02:16:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3373 transitions. [2021-10-16 02:16:59,961 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3373 transitions. Word has length 143 [2021-10-16 02:16:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:16:59,961 INFO L470 AbstractCegarLoop]: Abstraction has 2627 states and 3373 transitions. [2021-10-16 02:16:59,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 3 states have internal predecessors, (230), 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) [2021-10-16 02:16:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3373 transitions. [2021-10-16 02:16:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-16 02:16:59,968 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:16:59,968 INFO L512 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, 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, 1, 1, 1, 1, 1, 1] [2021-10-16 02:16:59,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:17:00,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:17:00,182 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:17:00,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:17:00,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1216059215, now seen corresponding path program 1 times [2021-10-16 02:17:00,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:17:00,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470925600] [2021-10-16 02:17:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:17:00,187 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:17:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:17:00,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:17:00,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:17:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:17:00,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:17:00,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:17:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:17:01,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:17:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:17:01,917 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:17:01,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470925600] [2021-10-16 02:17:01,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470925600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:17:01,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:17:01,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:17:01,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897218988] [2021-10-16 02:17:01,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:17:01,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:17:01,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:17:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:17:01,920 INFO L87 Difference]: Start difference. First operand 2627 states and 3373 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 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) [2021-10-16 02:17:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:17:28,677 INFO L93 Difference]: Finished difference Result 6727 states and 8997 transitions. [2021-10-16 02:17:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:17:28,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 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 167 [2021-10-16 02:17:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:17:28,700 INFO L225 Difference]: With dead ends: 6727 [2021-10-16 02:17:28,700 INFO L226 Difference]: Without dead ends: 4102 [2021-10-16 02:17:28,704 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:17:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4102 states. [2021-10-16 02:17:28,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4102 to 3364. [2021-10-16 02:17:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3364 states, 3363 states have (on average 1.2417484388938447) internal successors, (4176), 3363 states have internal predecessors, (4176), 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) [2021-10-16 02:17:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 4176 transitions. [2021-10-16 02:17:28,809 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 4176 transitions. Word has length 167 [2021-10-16 02:17:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:17:28,810 INFO L470 AbstractCegarLoop]: Abstraction has 3364 states and 4176 transitions. [2021-10-16 02:17:28,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 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) [2021-10-16 02:17:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 4176 transitions. [2021-10-16 02:17:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 02:17:28,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:17:28,817 INFO L512 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, 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, 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] [2021-10-16 02:17:28,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:17:29,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:17:29,030 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:17:29,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:17:29,031 INFO L82 PathProgramCache]: Analyzing trace with hash -524745144, now seen corresponding path program 1 times [2021-10-16 02:17:29,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:17:29,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936371293] [2021-10-16 02:17:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:17:29,033 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:17:29,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:17:29,034 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:17:29,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:17:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:17:29,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:17:29,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:17:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:17:32,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:17:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:17:36,761 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:17:36,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936371293] [2021-10-16 02:17:36,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936371293] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:17:36,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:17:36,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 02:17:36,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715561311] [2021-10-16 02:17:36,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:17:36,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:17:36,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:17:36,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:17:36,766 INFO L87 Difference]: Start difference. First operand 3364 states and 4176 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2021-10-16 02:17:53,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:17:53,807 INFO L93 Difference]: Finished difference Result 6906 states and 8751 transitions. [2021-10-16 02:17:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:17:53,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 239 [2021-10-16 02:17:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:17:53,833 INFO L225 Difference]: With dead ends: 6906 [2021-10-16 02:17:53,833 INFO L226 Difference]: Without dead ends: 4099 [2021-10-16 02:17:53,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:17:53,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2021-10-16 02:17:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 4099. [2021-10-16 02:17:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 4098 states have (on average 1.250854075158614) internal successors, (5126), 4098 states have internal predecessors, (5126), 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) [2021-10-16 02:17:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5126 transitions. [2021-10-16 02:17:53,933 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5126 transitions. Word has length 239 [2021-10-16 02:17:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:17:53,933 INFO L470 AbstractCegarLoop]: Abstraction has 4099 states and 5126 transitions. [2021-10-16 02:17:53,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2021-10-16 02:17:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5126 transitions. [2021-10-16 02:17:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-10-16 02:17:53,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:17:53,940 INFO L512 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, 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, 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] [2021-10-16 02:17:53,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:17:54,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:17:54,163 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:17:54,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:17:54,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1174446175, now seen corresponding path program 1 times [2021-10-16 02:17:54,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:17:54,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085272951] [2021-10-16 02:17:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:17:54,167 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:17:54,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:17:54,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:17:54,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:17:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:17:54,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:17:54,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:17:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:17:59,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:18:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 79 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:18:41,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:18:41,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085272951] [2021-10-16 02:18:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085272951] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:18:41,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [883306330] [2021-10-16 02:18:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:18:41,386 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:18:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:18:41,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:18:41,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:18:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:18:43,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:18:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:18:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-16 02:18:44,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:18:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-16 02:18:54,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [883306330] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:18:54,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28014194] [2021-10-16 02:18:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:18:54,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:18:54,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:18:54,819 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:18:54,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-16 02:18:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:18:56,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:18:56,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:19:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-16 02:19:02,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:19:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-16 02:19:03,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28014194] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:19:03,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-16 02:19:03,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 3, 3] total 15 [2021-10-16 02:19:03,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587305470] [2021-10-16 02:19:03,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:19:03,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:19:03,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:19:03,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:19:03,460 INFO L87 Difference]: Start difference. First operand 4099 states and 5126 transitions. Second operand has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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) [2021-10-16 02:19:54,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:19:54,358 INFO L93 Difference]: Finished difference Result 10409 states and 13216 transitions. [2021-10-16 02:19:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:19:54,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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 249 [2021-10-16 02:19:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:19:54,360 INFO L225 Difference]: With dead ends: 10409 [2021-10-16 02:19:54,360 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:19:54,371 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1488 GetRequests, 1475 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2574.3ms TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:19:54,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:19:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:19:54,372 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) [2021-10-16 02:19:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:19:54,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2021-10-16 02:19:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:19:54,373 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:19:54,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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) [2021-10-16 02:19:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:19:54,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:19:54,376 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:19:54,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:19:54,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-16 02:19:54,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:19:54,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:19:54,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:19:55,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:19:55,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:19:55,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:19:55,682 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-16 02:19:55,682 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-16 02:19:55,683 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,684 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,685 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,686 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (or (not (bvsge (_ bv138 32) ~a23~0)) (not (= (_ bv11 32) ~a25~0)) (not (bvsle ~a29~0 (_ bv140 32))) (not (= ~a4~0 (_ bv1 32)))) [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,687 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,688 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,689 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,690 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,690 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,691 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,691 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,691 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-16 02:19:55,692 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,693 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (or (not (bvsge (_ bv138 32) ~a23~0)) (not (= (_ bv11 32) ~a25~0)) (not (bvsle ~a29~0 (_ bv140 32))) (not (= ~a4~0 (_ bv1 32)))) [2021-10-16 02:19:55,693 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,693 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,693 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,693 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,693 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-16 02:19:55,694 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,695 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,696 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-16 02:19:55,697 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-16 02:19:55,698 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-16 02:19:55,699 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,700 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-16 02:19:55,701 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,702 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-16 02:19:55,703 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,704 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,705 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,706 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,707 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,708 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,709 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,710 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-16 02:19:55,711 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-16 02:19:55,711 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-16 02:19:55,711 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-16 02:19:55,711 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-16 02:19:55,711 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,720 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,721 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,722 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-16 02:19:55,723 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,724 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,725 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,726 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,726 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,726 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,726 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,727 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-16 02:19:55,727 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-16 02:19:55,728 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-16 02:19:55,728 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-16 02:19:55,728 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-16 02:19:55,728 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-16 02:19:55,728 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,729 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,729 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,730 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,730 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,731 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,732 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,733 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,733 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,734 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,734 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,738 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-16 02:19:55,738 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-16 02:19:55,738 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,738 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,738 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:19:55,739 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,740 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,740 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-16 02:19:55,740 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-16 02:19:55,740 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-16 02:19:55,740 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-16 02:19:55,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:19:55,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:19:55 BoogieIcfgContainer [2021-10-16 02:19:55,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:19:55,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:19:55,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:19:55,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:19:55,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:18" (3/4) ... [2021-10-16 02:19:55,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:19:55,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 02:19:55,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:19:55,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:19:55,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:19:56,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:19:56,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:19:56,005 INFO L168 Benchmark]: Toolchain (without parser) took 228043.85 ms. Allocated memory was 62.9 MB in the beginning and 117.4 MB in the end (delta: 54.5 MB). Free memory was 39.1 MB in the beginning and 54.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 68.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,006 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:19:56,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.89 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 38.9 MB in the beginning and 48.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.44 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 39.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,008 INFO L168 Benchmark]: Boogie Preprocessor took 168.34 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 54.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,008 INFO L168 Benchmark]: RCFGBuilder took 9387.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 66.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,008 INFO L168 Benchmark]: TraceAbstraction took 217171.66 ms. Allocated memory is still 117.4 MB. Free memory was 65.7 MB in the beginning and 52.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,009 INFO L168 Benchmark]: Witness Printer took 231.35 ms. Allocated memory is still 117.4 MB. Free memory was 52.3 MB in the beginning and 54.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:56,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 964.89 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 38.9 MB in the beginning and 48.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.44 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 39.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 168.34 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 54.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9387.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 66.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 217171.66 ms. Allocated memory is still 117.4 MB. Free memory was 65.7 MB in the beginning and 52.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * Witness Printer took 231.35 ms. Allocated memory is still 117.4 MB. Free memory was 52.3 MB in the beginning and 54.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 187]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 217054.3ms, OverallIterations: 6, TraceHistogramMax: 3, EmptinessCheckTime: 50.0ms, AutomataDifference: 131704.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 690.9ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 990 SDtfs, 1827 SDslu, 171 SDs, 0 SdLazy, 4765 SolverSat, 1446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118651.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2966 GetRequests, 2943 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2707.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4099occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 395.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 78 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2724 FormulaSimplificationTreeSizeReduction, 306.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 440 FormulaSimplificationTreeSizeReductionInter, 377.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 172.2ms SsaConstructionTime, 1012.8ms SatisfiabilityAnalysisTime, 77044.8ms InterpolantComputationTime, 1491 NumberOfCodeBlocks, 1491 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2966 ConstructedInterpolants, 55 QuantifiedInterpolants, 19120 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1930 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 1224/1808 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: 1044]: Loop Invariant Derived loop invariant: ((!~bvsge32(138bv32, a23) || !(11bv32 == a25)) || !~bvsle32(a29, 140bv32)) || !(a4 == 1bv32) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((!~bvsge32(138bv32, a23) || !(11bv32 == a25)) || !~bvsle32(a29, 140bv32)) || !(a4 == 1bv32) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:19:56,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04d4452-0a01-44e7-8e0a-7e4b8054996b/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...