./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.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_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/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_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/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_726611ba-a932-4e4b-9e82-0d2aa9622276/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 bf908eb74c6f2bb544e29965e856760f507d63fb ........................................................................................................................................................................................................................................................................................................................................................ 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_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/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_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/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_726611ba-a932-4e4b-9e82-0d2aa9622276/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 bf908eb74c6f2bb544e29965e856760f507d63fb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:00:53,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:00:53,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:00:53,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:00:53,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:00:53,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:00:53,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:00:53,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:00:53,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:00:53,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:00:53,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:00:53,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:00:53,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:00:53,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:00:53,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:00:53,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:00:53,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:00:53,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:00:53,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:00:53,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:00:53,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:00:53,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:00:53,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:00:53,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:00:53,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:00:53,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:00:53,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:00:53,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:00:53,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:00:53,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:00:53,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:00:53,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:00:53,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:00:53,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:00:53,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:00:53,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:00:53,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:00:53,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:00:53,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:00:53,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:00:53,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:00:53,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:00:53,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:00:53,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:00:53,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:00:53,612 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:00:53,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:00:53,612 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:00:53,613 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:00:53,620 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:00:53,621 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:00:53,621 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:00:53,622 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:00:53,623 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:00:53,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:00:53,623 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:00:53,624 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:00:53,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:00:53,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:00:53,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:00:53,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:00:53,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:00:53,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:00:53,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:00:53,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:00:53,627 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:00:53,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:00:53,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:00:53,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:00:53,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:00:53,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:00:53,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:00:53,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:00:53,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:00:53,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:00:53,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:00:53,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:00:53,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:00:53,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:00:53,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:00:53,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:00:53,634 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_726611ba-a932-4e4b-9e82-0d2aa9622276/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf908eb74c6f2bb544e29965e856760f507d63fb [2021-10-16 02:00:54,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:00:54,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:00:54,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:00:54,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:00:54,050 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:00:54,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-16 02:00:54,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/401df8e44/ce1f678ee72f4626858b15bb8ea224ab/FLAG08c13557a [2021-10-16 02:00:54,824 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:00:54,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-16 02:00:54,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/401df8e44/ce1f678ee72f4626858b15bb8ea224ab/FLAG08c13557a [2021-10-16 02:00:54,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/401df8e44/ce1f678ee72f4626858b15bb8ea224ab [2021-10-16 02:00:54,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:00:54,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:00:54,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:00:54,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:00:54,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:00:55,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:54" (1/1) ... [2021-10-16 02:00:55,003 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 02:00:55, skipping insertion in model container [2021-10-16 02:00:55,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:54" (1/1) ... [2021-10-16 02:00:55,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:00:55,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:00:55,427 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_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-16 02:00:55,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:00:55,829 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:00:55,875 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_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-16 02:00:56,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:00:56,052 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:00:56,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56 WrapperNode [2021-10-16 02:00:56,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:00:56,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:00:56,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:00:56,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:00:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:00:56,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:00:56,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:00:56,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:00:56,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:00:56,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:00:56,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:00:56,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:00:56,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (1/1) ... [2021-10-16 02:00:56,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:00:56,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:00:56,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:00:56,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:00:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:00:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:00:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:00:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:01:20,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:01:20,568 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:01:20,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:20 BoogieIcfgContainer [2021-10-16 02:01:20,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:01:20,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:01:20,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:01:20,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:01:20,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:00:54" (1/3) ... [2021-10-16 02:01:20,578 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 02:01:20, skipping insertion in model container [2021-10-16 02:01:20,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:56" (2/3) ... [2021-10-16 02:01:20,578 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 02:01:20, skipping insertion in model container [2021-10-16 02:01:20,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:20" (3/3) ... [2021-10-16 02:01:20,580 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-10-16 02:01:20,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:01:20,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:01:20,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:01:20,636 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 02:01:20,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:01:20,650 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 02:01:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 02:01:20,655 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:01:20,656 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 02:01:20,656 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:01:20,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:01:20,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1190305320, now seen corresponding path program 1 times [2021-10-16 02:01:20,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:01:20,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982277685] [2021-10-16 02:01:20,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:01:20,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:01:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:01:20,963 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 02:01:20,963 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:01:20,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982277685] [2021-10-16 02:01:20,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982277685] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:01:20,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:01:20,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:01:20,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755921599] [2021-10-16 02:01:20,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:01:20,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:01:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:01:20,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:01:20,988 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 02:01:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:01:21,101 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 02:01:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:01:21,103 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 02:01:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:01:21,111 INFO L225 Difference]: With dead ends: 23 [2021-10-16 02:01:21,111 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:01:21,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:01:21,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:01:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 02:01:21,143 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 02:01:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 02:01:21,145 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 02:01:21,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:01:21,145 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 02:01:21,146 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 02:01:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 02:01:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:01:21,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:01:21,147 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 02:01:21,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:01:21,147 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:01:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:01:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2101533194, now seen corresponding path program 1 times [2021-10-16 02:01:21,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:01:21,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770114035] [2021-10-16 02:01:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:01:21,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:01:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:01:22,472 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 02:01:22,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:01:22,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770114035] [2021-10-16 02:01:22,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770114035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:01:22,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698978215] [2021-10-16 02:01:22,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:01:22,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:01:22,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:01:22,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:01:22,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:01:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:01:22,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:01:22,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:01:27,819 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 02:01:27,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:01:39,147 WARN L207 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 1472 DAG size of output: 1423 [2021-10-16 02:02:21,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-16 02:02:21,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1642254808] [2021-10-16 02:02:21,388 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 02:02:21,388 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:02:21,394 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:02:21,400 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:02:21,401 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:02:21,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:02:21,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 02:02:21,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:02:21,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 02:02:21,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 02:02:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:02:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:02:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:02:21,502 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 02:02:21,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:02:21,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:02:21,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:02:21,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:02:21,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:02:21,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-16 02:02:21,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:02:21,537 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:158 [2021-10-16 02:02:21,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:02:21,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:02:21,765 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 02:02:21,769 INFO L168 Benchmark]: Toolchain (without parser) took 86775.34 ms. Allocated memory was 109.1 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 64.0 MB in the beginning and 1.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,769 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory was 83.4 MB in the beginning and 83.4 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:02:21,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1058.33 ms. Allocated memory is still 109.1 MB. Free memory was 63.8 MB in the beginning and 50.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 265.45 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 50.4 MB in the beginning and 108.1 MB in the end (delta: -57.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,771 INFO L168 Benchmark]: Boogie Preprocessor took 143.08 ms. Allocated memory is still 148.9 MB. Free memory was 108.1 MB in the beginning and 99.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,772 INFO L168 Benchmark]: RCFGBuilder took 24106.85 ms. Allocated memory was 148.9 MB in the beginning and 964.7 MB in the end (delta: 815.8 MB). Free memory was 99.0 MB in the beginning and 618.8 MB in the end (delta: -519.8 MB). Peak memory consumption was 386.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,773 INFO L168 Benchmark]: TraceAbstraction took 61195.03 ms. Allocated memory was 964.7 MB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 618.0 MB in the beginning and 1.6 GB in the end (delta: -1.0 GB). Peak memory consumption was 985.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:21,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory was 83.4 MB in the beginning and 83.4 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1058.33 ms. Allocated memory is still 109.1 MB. Free memory was 63.8 MB in the beginning and 50.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 265.45 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 50.4 MB in the beginning and 108.1 MB in the end (delta: -57.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 143.08 ms. Allocated memory is still 148.9 MB. Free memory was 108.1 MB in the beginning and 99.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24106.85 ms. Allocated memory was 148.9 MB in the beginning and 964.7 MB in the end (delta: 815.8 MB). Free memory was 99.0 MB in the beginning and 618.8 MB in the end (delta: -519.8 MB). Peak memory consumption was 386.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61195.03 ms. Allocated memory was 964.7 MB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 618.0 MB in the beginning and 1.6 GB in the end (delta: -1.0 GB). Peak memory consumption was 985.2 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 02:02:21,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/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 02:02:24,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:02:24,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:02:24,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:02:24,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:02:24,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:02:24,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:02:24,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:02:24,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:02:24,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:02:24,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:02:24,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:02:24,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:02:24,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:02:24,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:02:24,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:02:24,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:02:24,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:02:24,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:02:24,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:02:24,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:02:24,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:02:24,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:02:24,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:02:24,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:02:24,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:02:24,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:02:24,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:02:24,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:02:24,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:02:24,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:02:24,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:02:24,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:02:24,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:02:24,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:02:24,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:02:24,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:02:24,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:02:24,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:02:24,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:02:24,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:02:24,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:02:24,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:02:24,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:02:24,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:02:24,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:02:24,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:02:24,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:02:24,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:02:24,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:02:24,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:02:24,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:02:24,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:02:24,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:02:24,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:02:24,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:02:24,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:02:24,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:02:24,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:02:24,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:02:24,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:02:24,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:02:24,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:02:24,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:02:24,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:02:24,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:02:24,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:02:24,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:02:24,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:02:24,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:02:24,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:02:24,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:02:24,749 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:02:24,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:02:24,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:02:24,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:02:24,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:02:24,750 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_726611ba-a932-4e4b-9e82-0d2aa9622276/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf908eb74c6f2bb544e29965e856760f507d63fb [2021-10-16 02:02:25,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:02:25,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:02:25,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:02:25,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:02:25,349 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:02:25,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-16 02:02:25,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/2a1186c26/a31827041906412b927be53f09a537ea/FLAG2044dd2a9 [2021-10-16 02:02:26,395 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:02:26,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-16 02:02:26,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/2a1186c26/a31827041906412b927be53f09a537ea/FLAG2044dd2a9 [2021-10-16 02:02:26,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/data/2a1186c26/a31827041906412b927be53f09a537ea [2021-10-16 02:02:26,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:02:26,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:02:26,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:02:26,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:02:26,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:02:26,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:02:26" (1/1) ... [2021-10-16 02:02:26,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74380103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:26, skipping insertion in model container [2021-10-16 02:02:26,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:02:26" (1/1) ... [2021-10-16 02:02:26,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:02:26,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:02:26,923 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_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-16 02:02:27,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:02:27,403 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:02:27,450 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_726611ba-a932-4e4b-9e82-0d2aa9622276/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-16 02:02:27,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:02:27,632 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:02:27,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27 WrapperNode [2021-10-16 02:02:27,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:02:27,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:02:27,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:02:27,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:02:27,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:02:27,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:02:27,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:02:27,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:02:27,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:02:27,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:02:27,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:02:27,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:02:27,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (1/1) ... [2021-10-16 02:02:27,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:02:27,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:02:27,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:02:27,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:02:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:02:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:02:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:02:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:02:37,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:02:37,319 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:02:37,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:37 BoogieIcfgContainer [2021-10-16 02:02:37,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:02:37,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:02:37,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:02:37,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:02:37,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:02:26" (1/3) ... [2021-10-16 02:02:37,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20569cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:02:37, skipping insertion in model container [2021-10-16 02:02:37,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:27" (2/3) ... [2021-10-16 02:02:37,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20569cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:02:37, skipping insertion in model container [2021-10-16 02:02:37,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:37" (3/3) ... [2021-10-16 02:02:37,332 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-10-16 02:02:37,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:02:37,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:02:37,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:02:37,427 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 02:02:37,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:02:37,464 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 02:02:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 02:02:37,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:02:37,483 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] [2021-10-16 02:02:37,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:02:37,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:02:37,493 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-10-16 02:02:37,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:02:37,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115646152] [2021-10-16 02:02:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:02:37,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:02:37,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:02:37,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:02:37,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:02:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:02:37,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:02:37,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:02:38,031 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 02:02:38,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:02:38,364 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 02:02:38,365 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:02:38,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115646152] [2021-10-16 02:02:38,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115646152] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:02:38,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:02:38,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:02:38,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018075858] [2021-10-16 02:02:38,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:02:38,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:02:38,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:02:38,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:02:38,392 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 26.25) internal successors, (105), 3 states have internal predecessors, (105), 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 02:02:49,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:02:49,405 INFO L93 Difference]: Finished difference Result 968 states and 1740 transitions. [2021-10-16 02:02:49,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:02:49,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 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 53 [2021-10-16 02:02:49,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:02:49,434 INFO L225 Difference]: With dead ends: 968 [2021-10-16 02:02:49,435 INFO L226 Difference]: Without dead ends: 602 [2021-10-16 02:02:49,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:02:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-10-16 02:02:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 596. [2021-10-16 02:02:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.3932773109243697) internal successors, (829), 595 states have internal predecessors, (829), 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 02:02:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 829 transitions. [2021-10-16 02:02:49,529 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 829 transitions. Word has length 53 [2021-10-16 02:02:49,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:02:49,530 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 829 transitions. [2021-10-16 02:02:49,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 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 02:02:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 829 transitions. [2021-10-16 02:02:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-16 02:02:49,541 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:02:49,542 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, 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 02:02:49,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:02:49,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:02:49,755 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:02:49,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:02:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1565859760, now seen corresponding path program 1 times [2021-10-16 02:02:49,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:02:49,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049524437] [2021-10-16 02:02:49,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:02:49,758 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:02:49,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:02:49,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:02:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:02:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:02:49,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:02:49,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:02:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:02:50,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:02:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:02:51,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:02:51,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049524437] [2021-10-16 02:02:51,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049524437] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:02:51,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:02:51,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:02:51,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438262781] [2021-10-16 02:02:51,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:02:51,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:02:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:02:51,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:02:51,133 INFO L87 Difference]: Start difference. First operand 596 states and 829 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 02:03:04,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:04,600 INFO L93 Difference]: Finished difference Result 2315 states and 3231 transitions. [2021-10-16 02:03:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:03:04,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 121 [2021-10-16 02:03:04,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:04,619 INFO L225 Difference]: With dead ends: 2315 [2021-10-16 02:03:04,619 INFO L226 Difference]: Without dead ends: 1721 [2021-10-16 02:03:04,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:03:04,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-10-16 02:03:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1705. [2021-10-16 02:03:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1704 states have (on average 1.3139671361502347) internal successors, (2239), 1704 states have internal predecessors, (2239), 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 02:03:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2239 transitions. [2021-10-16 02:03:04,688 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2239 transitions. Word has length 121 [2021-10-16 02:03:04,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:04,689 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 2239 transitions. [2021-10-16 02:03:04,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 02:03:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2239 transitions. [2021-10-16 02:03:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-16 02:03:04,696 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:04,697 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, 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 02:03:04,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 02:03:04,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:04,910 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:04,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:04,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1544863115, now seen corresponding path program 1 times [2021-10-16 02:03:04,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:04,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575990815] [2021-10-16 02:03:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:04,913 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:04,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:04,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:03:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:05,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:03:05,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:05,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:06,185 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:06,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575990815] [2021-10-16 02:03:06,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575990815] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:03:06,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:03:06,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:03:06,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371380384] [2021-10-16 02:03:06,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:03:06,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:06,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:03:06,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:03:06,188 INFO L87 Difference]: Start difference. First operand 1705 states and 2239 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 states have internal predecessors, (196), 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 02:03:28,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:28,549 INFO L93 Difference]: Finished difference Result 4701 states and 6398 transitions. [2021-10-16 02:03:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:03:28,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 states have internal predecessors, (196), 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 124 [2021-10-16 02:03:28,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:28,578 INFO L225 Difference]: With dead ends: 4701 [2021-10-16 02:03:28,578 INFO L226 Difference]: Without dead ends: 2998 [2021-10-16 02:03:28,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:03:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-10-16 02:03:28,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2814. [2021-10-16 02:03:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2813 states have (on average 1.2328474937788838) internal successors, (3468), 2813 states have internal predecessors, (3468), 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 02:03:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3468 transitions. [2021-10-16 02:03:28,665 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3468 transitions. Word has length 124 [2021-10-16 02:03:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:28,666 INFO L470 AbstractCegarLoop]: Abstraction has 2814 states and 3468 transitions. [2021-10-16 02:03:28,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 states have internal predecessors, (196), 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 02:03:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3468 transitions. [2021-10-16 02:03:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-16 02:03:28,670 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:28,671 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:28,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:03:28,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:28,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:28,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:28,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1719222741, now seen corresponding path program 1 times [2021-10-16 02:03:28,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:28,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111377264] [2021-10-16 02:03:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:28,891 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:28,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:28,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:03:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:29,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:03:29,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:30,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:31,019 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:31,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111377264] [2021-10-16 02:03:31,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111377264] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:03:31,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:03:31,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 02:03:31,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628443559] [2021-10-16 02:03:31,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:03:31,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:31,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:03:31,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:03:31,023 INFO L87 Difference]: Start difference. First operand 2814 states and 3468 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:54,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:54,203 INFO L93 Difference]: Finished difference Result 6916 states and 8688 transitions. [2021-10-16 02:03:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:03:54,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2021-10-16 02:03:54,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:54,230 INFO L225 Difference]: With dead ends: 6916 [2021-10-16 02:03:54,230 INFO L226 Difference]: Without dead ends: 4288 [2021-10-16 02:03:54,234 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:03:54,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2021-10-16 02:03:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 4104. [2021-10-16 02:03:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4104 states, 4103 states have (on average 1.207652936875457) internal successors, (4955), 4103 states have internal predecessors, (4955), 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 02:03:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 4955 transitions. [2021-10-16 02:03:54,343 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 4955 transitions. Word has length 180 [2021-10-16 02:03:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:54,344 INFO L470 AbstractCegarLoop]: Abstraction has 4104 states and 4955 transitions. [2021-10-16 02:03:54,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 4955 transitions. [2021-10-16 02:03:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-16 02:03:54,350 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:54,351 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, 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] [2021-10-16 02:03:54,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-16 02:03:54,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:54,565 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:54,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:54,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1422286637, now seen corresponding path program 1 times [2021-10-16 02:03:54,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:54,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111054028] [2021-10-16 02:03:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:54,571 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:54,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:54,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:54,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:03:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:55,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:03:55,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:57,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:04:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:04:02,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:04:02,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111054028] [2021-10-16 02:04:02,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111054028] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:04:02,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:04:02,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 02:04:02,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431889543] [2021-10-16 02:04:02,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:04:02,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:04:02,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:04:02,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:04:02,582 INFO L87 Difference]: Start difference. First operand 4104 states and 4955 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 02:04:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:04:21,828 INFO L93 Difference]: Finished difference Result 8384 states and 10386 transitions. [2021-10-16 02:04:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:04:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 234 [2021-10-16 02:04:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:04:21,856 INFO L225 Difference]: With dead ends: 8384 [2021-10-16 02:04:21,856 INFO L226 Difference]: Without dead ends: 5576 [2021-10-16 02:04:21,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 87.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:04:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5576 states. [2021-10-16 02:04:21,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5576 to 5576. [2021-10-16 02:04:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5576 states, 5575 states have (on average 1.2199103139013452) internal successors, (6801), 5575 states have internal predecessors, (6801), 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 02:04:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 6801 transitions. [2021-10-16 02:04:22,010 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 6801 transitions. Word has length 234 [2021-10-16 02:04:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:04:22,011 INFO L470 AbstractCegarLoop]: Abstraction has 5576 states and 6801 transitions. [2021-10-16 02:04:22,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 02:04:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 6801 transitions. [2021-10-16 02:04:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-16 02:04:22,016 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:04:22,017 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:04:22,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:04:22,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:04:22,233 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:04:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:04:22,233 INFO L82 PathProgramCache]: Analyzing trace with hash 641356359, now seen corresponding path program 1 times [2021-10-16 02:04:22,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:04:22,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068123992] [2021-10-16 02:04:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:22,237 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:04:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:04:22,238 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:04:22,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:04:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:22,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:04:22,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:04:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:04:23,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:04:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:04:25,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:04:25,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068123992] [2021-10-16 02:04:25,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068123992] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:04:25,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:04:25,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:04:25,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920048012] [2021-10-16 02:04:25,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:04:25,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:04:25,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:04:25,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:04:25,037 INFO L87 Difference]: Start difference. First operand 5576 states and 6801 transitions. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 02:04:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:04:37,895 INFO L93 Difference]: Finished difference Result 13560 states and 16557 transitions. [2021-10-16 02:04:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:04:37,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 241 [2021-10-16 02:04:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:04:37,932 INFO L225 Difference]: With dead ends: 13560 [2021-10-16 02:04:37,932 INFO L226 Difference]: Without dead ends: 8170 [2021-10-16 02:04:37,938 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:04:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2021-10-16 02:04:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 7415. [2021-10-16 02:04:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7415 states, 7414 states have (on average 1.1891016994874561) internal successors, (8816), 7414 states have internal predecessors, (8816), 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 02:04:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7415 states to 7415 states and 8816 transitions. [2021-10-16 02:04:38,126 INFO L78 Accepts]: Start accepts. Automaton has 7415 states and 8816 transitions. Word has length 241 [2021-10-16 02:04:38,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:04:38,128 INFO L470 AbstractCegarLoop]: Abstraction has 7415 states and 8816 transitions. [2021-10-16 02:04:38,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 02:04:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 7415 states and 8816 transitions. [2021-10-16 02:04:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-16 02:04:38,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:04:38,146 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:04:38,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:04:38,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:04:38,369 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:04:38,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:04:38,370 INFO L82 PathProgramCache]: Analyzing trace with hash 228686210, now seen corresponding path program 1 times [2021-10-16 02:04:38,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:04:38,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226268080] [2021-10-16 02:04:38,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:38,372 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:04:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:04:38,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:04:38,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 02:04:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:39,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:04:39,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:04:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-16 02:04:39,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:04:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-16 02:04:40,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:04:40,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226268080] [2021-10-16 02:04:40,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226268080] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:04:40,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:04:40,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:04:40,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748276292] [2021-10-16 02:04:40,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:04:40,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:04:40,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:04:40,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:04:40,509 INFO L87 Difference]: Start difference. First operand 7415 states and 8816 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 02:04:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:04:45,262 INFO L93 Difference]: Finished difference Result 12793 states and 15341 transitions. [2021-10-16 02:04:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:04:45,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 335 [2021-10-16 02:04:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:04:45,295 INFO L225 Difference]: With dead ends: 12793 [2021-10-16 02:04:45,296 INFO L226 Difference]: Without dead ends: 7410 [2021-10-16 02:04:45,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:04:45,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7410 states. [2021-10-16 02:04:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7410 to 7410. [2021-10-16 02:04:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7410 states, 7409 states have (on average 1.18855446079093) internal successors, (8806), 7409 states have internal predecessors, (8806), 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 02:04:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7410 states to 7410 states and 8806 transitions. [2021-10-16 02:04:45,526 INFO L78 Accepts]: Start accepts. Automaton has 7410 states and 8806 transitions. Word has length 335 [2021-10-16 02:04:45,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:04:45,540 INFO L470 AbstractCegarLoop]: Abstraction has 7410 states and 8806 transitions. [2021-10-16 02:04:45,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 02:04:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 7410 states and 8806 transitions. [2021-10-16 02:04:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-10-16 02:04:45,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:04:45,568 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:04:45,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:04:45,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:04:45,769 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:04:45,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:04:45,770 INFO L82 PathProgramCache]: Analyzing trace with hash -134941367, now seen corresponding path program 1 times [2021-10-16 02:04:45,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:04:45,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431744438] [2021-10-16 02:04:45,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:45,773 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:04:45,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:04:45,774 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:04:45,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:04:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:04:46,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:04:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 294 proven. 81 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-16 02:04:48,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:04:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-16 02:04:49,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:04:49,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431744438] [2021-10-16 02:04:49,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431744438] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:04:49,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 02:04:49,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-16 02:04:49,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626810469] [2021-10-16 02:04:49,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:04:49,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:04:49,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:04:49,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:04:49,601 INFO L87 Difference]: Start difference. First operand 7410 states and 8806 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 02:05:05,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:05:05,319 INFO L93 Difference]: Finished difference Result 16290 states and 19605 transitions. [2021-10-16 02:05:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:05:05,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 364 [2021-10-16 02:05:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:05:05,333 INFO L225 Difference]: With dead ends: 16290 [2021-10-16 02:05:05,334 INFO L226 Difference]: Without dead ends: 9066 [2021-10-16 02:05:05,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:05:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9066 states. [2021-10-16 02:05:05,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9066 to 9066. [2021-10-16 02:05:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9066 states, 9065 states have (on average 1.1846662989520131) internal successors, (10739), 9065 states have internal predecessors, (10739), 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 02:05:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 10739 transitions. [2021-10-16 02:05:05,542 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 10739 transitions. Word has length 364 [2021-10-16 02:05:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:05:05,543 INFO L470 AbstractCegarLoop]: Abstraction has 9066 states and 10739 transitions. [2021-10-16 02:05:05,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 02:05:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 10739 transitions. [2021-10-16 02:05:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-16 02:05:05,559 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:05:05,559 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:05:05,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:05:05,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:05:05,781 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:05:05,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:05:05,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1010812687, now seen corresponding path program 1 times [2021-10-16 02:05:05,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:05:05,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902904154] [2021-10-16 02:05:05,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:05:05,784 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:05:05,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:05:05,785 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:05:05,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:05:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:05:06,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:05:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:05:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-16 02:05:07,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:05:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-16 02:05:08,657 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:05:08,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902904154] [2021-10-16 02:05:08,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902904154] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:05:08,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:05:08,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:05:08,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868897571] [2021-10-16 02:05:08,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:05:08,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:05:08,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:05:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:05:08,661 INFO L87 Difference]: Start difference. First operand 9066 states and 10739 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 02:05:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:05:15,068 INFO L93 Difference]: Finished difference Result 18680 states and 22170 transitions. [2021-10-16 02:05:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:05:15,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 373 [2021-10-16 02:05:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:05:15,084 INFO L225 Difference]: With dead ends: 18680 [2021-10-16 02:05:15,084 INFO L226 Difference]: Without dead ends: 9800 [2021-10-16 02:05:15,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:05:15,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9800 states. [2021-10-16 02:05:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9800 to 7775. [2021-10-16 02:05:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7775 states, 7774 states have (on average 1.1525598147671727) internal successors, (8960), 7774 states have internal predecessors, (8960), 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 02:05:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7775 states to 7775 states and 8960 transitions. [2021-10-16 02:05:15,258 INFO L78 Accepts]: Start accepts. Automaton has 7775 states and 8960 transitions. Word has length 373 [2021-10-16 02:05:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:05:15,258 INFO L470 AbstractCegarLoop]: Abstraction has 7775 states and 8960 transitions. [2021-10-16 02:05:15,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 02:05:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7775 states and 8960 transitions. [2021-10-16 02:05:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-16 02:05:15,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:05:15,269 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:05:15,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:05:15,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:05:15,490 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:05:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:05:15,490 INFO L82 PathProgramCache]: Analyzing trace with hash -184615536, now seen corresponding path program 1 times [2021-10-16 02:05:15,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:05:15,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056481126] [2021-10-16 02:05:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:05:15,492 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:05:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:05:15,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:05:15,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:05:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:05:16,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:05:16,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:05:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-16 02:05:18,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:05:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-16 02:05:26,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:05:26,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056481126] [2021-10-16 02:05:26,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056481126] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:05:26,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2078851957] [2021-10-16 02:05:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:05:26,613 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:05:26,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:05:26,614 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:05:26,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-16 02:05:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:05:28,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:05:28,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:05:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-16 02:05:30,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:05:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-16 02:05:33,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2078851957] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:05:33,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:05:33,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [3, 3] total 12 [2021-10-16 02:05:33,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566824918] [2021-10-16 02:05:33,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:05:33,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:05:33,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:05:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-10-16 02:05:33,474 INFO L87 Difference]: Start difference. First operand 7775 states and 8960 transitions. Second operand has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:05:53,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:05:53,772 INFO L93 Difference]: Finished difference Result 14450 states and 16575 transitions. [2021-10-16 02:05:53,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:05:53,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 374 [2021-10-16 02:05:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:05:53,774 INFO L225 Difference]: With dead ends: 14450 [2021-10-16 02:05:53,774 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:05:53,783 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1494 GetRequests, 1483 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 573.7ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:05:53,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:05:53,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:05:53,784 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 02:05:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:05:53,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2021-10-16 02:05:53,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:05:53,785 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:05:53,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:05:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:05:53,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:05:53,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:05:53,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:05:54,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:05:54,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:05:54,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:05:54,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:54,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:54,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:55,751 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-16 02:05:55,752 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,752 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-16 02:05:55,752 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,752 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,752 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-16 02:05:55,753 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,754 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-16 02:05:55,755 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-16 02:05:55,756 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-16 02:05:55,756 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,756 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-16 02:05:55,756 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-16 02:05:55,756 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,757 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-16 02:05:55,758 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-16 02:05:55,758 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-16 02:05:55,758 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,758 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,758 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (bvslt (_ bv4294967253 32) ~a23~0)) (.cse2 (not (= ~a25~0 (_ bv9 32)))) (.cse4 (= ~a4~0 (_ bv1 32))) (.cse3 (not (= (_ bv13 32) ~a25~0))) (.cse1 (= ~a8~0 (_ bv15 32)))) (or (and (bvsge (_ bv138 32) ~a23~0) .cse0 .cse1 .cse2 (not (= (_ bv10 32) ~a25~0))) (and .cse1 .cse3 (not (bvsge (_ bv245 32) ~a29~0))) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse4) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse1 .cse3) (and .cse1 (= ~a25~0 (_ bv12 32))))) [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,759 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,760 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,760 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-16 02:05:55,760 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-16 02:05:55,760 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-16 02:05:55,760 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-16 02:05:55,760 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,761 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,762 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,763 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,764 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-16 02:05:55,764 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-16 02:05:55,764 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-16 02:05:55,764 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,764 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (bvslt (_ bv4294967253 32) ~a23~0)) (.cse2 (not (= ~a25~0 (_ bv9 32)))) (.cse4 (= ~a4~0 (_ bv1 32))) (.cse3 (not (= (_ bv13 32) ~a25~0))) (.cse1 (= ~a8~0 (_ bv15 32)))) (or (and (bvsge (_ bv138 32) ~a23~0) .cse0 .cse1 .cse2 (not (= (_ bv10 32) ~a25~0))) (and .cse1 .cse3 (not (bvsge (_ bv245 32) ~a29~0))) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse4) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse1 .cse3) (and .cse1 (= ~a25~0 (_ bv12 32))))) [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,765 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-16 02:05:55,766 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,767 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,768 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-16 02:05:55,769 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-16 02:05:55,770 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,771 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,772 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-16 02:05:55,773 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,774 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-16 02:05:55,775 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-16 02:05:55,776 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,777 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,778 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-16 02:05:55,779 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,780 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,781 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,782 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-16 02:05:55,783 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,784 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,785 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,786 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-16 02:05:55,787 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,788 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,789 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,790 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,791 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,792 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,793 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,794 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,795 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,796 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-16 02:05:55,796 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-16 02:05:55,796 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-16 02:05:55,796 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-16 02:05:55,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:05:55,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:05:55 BoogieIcfgContainer [2021-10-16 02:05:55,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:05:55,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:05:55,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:05:55,819 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:05:55,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:37" (3/4) ... [2021-10-16 02:05:55,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:05:55,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 02:05:55,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:05:55,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:05:55,858 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:05:56,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:05:56,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:05:56,058 INFO L168 Benchmark]: Toolchain (without parser) took 209503.83 ms. Allocated memory was 81.8 MB in the beginning and 237.0 MB in the end (delta: 155.2 MB). Free memory was 65.9 MB in the beginning and 68.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 152.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,059 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 63.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:05:56,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1076.12 ms. Allocated memory is still 81.8 MB. Free memory was 65.7 MB in the beginning and 52.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.21 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 43.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,060 INFO L168 Benchmark]: Boogie Preprocessor took 122.51 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 36.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,061 INFO L168 Benchmark]: RCFGBuilder took 9430.89 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 36.6 MB in the beginning and 70.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,061 INFO L168 Benchmark]: TraceAbstraction took 198493.30 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 70.0 MB in the beginning and 92.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 145.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,061 INFO L168 Benchmark]: Witness Printer took 236.39 ms. Allocated memory is still 237.0 MB. Free memory was 92.4 MB in the beginning and 68.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:56,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 63.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1076.12 ms. Allocated memory is still 81.8 MB. Free memory was 65.7 MB in the beginning and 52.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.21 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 43.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.51 ms. Allocated memory is still 81.8 MB. Free memory was 43.4 MB in the beginning and 36.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9430.89 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 36.6 MB in the beginning and 70.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 198493.30 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 70.0 MB in the beginning and 92.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 145.6 MB. Max. memory is 16.1 GB. * Witness Printer took 236.39 ms. Allocated memory is still 237.0 MB. Free memory was 92.4 MB in the beginning and 68.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 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: 175]: 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: 198386.3ms, OverallIterations: 10, TraceHistogramMax: 4, EmptinessCheckTime: 128.3ms, AutomataDifference: 149620.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1555.1ms, InitialAbstractionConstructionTime: 24.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1288 SDtfs, 3234 SDslu, 261 SDs, 0 SdLazy, 7500 SolverSat, 1999 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 132349.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5526 GetRequests, 5496 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 776.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9066occurred in iteration=8, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1262.1ms AutomataMinimizationTime, 10 MinimizatonAttempts, 3170 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 108 NumberOfFragments, 143 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8000 FormulaSimplificationTreeSizeReduction, 475.0ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 2778 FormulaSimplificationTreeSizeReductionInter, 1070.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 310.3ms SsaConstructionTime, 1692.2ms SatisfiabilityAnalysisTime, 34900.9ms InterpolantComputationTime, 2773 NumberOfCodeBlocks, 2773 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5524 ConstructedInterpolants, 0 QuantifiedInterpolants, 18025 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3467 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 4259/4854 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) && ~bvslt32(4294967253bv32, a23)) && a8 == 15bv32) && !(a25 == 9bv32)) && !(10bv32 == a25)) || ((a8 == 15bv32 && !(13bv32 == a25)) && !~bvsge32(245bv32, a29))) || ((~bvslt32(4294967253bv32, a23) && a8 == 15bv32) && a4 == 1bv32)) || ((a8 == 15bv32 && !(a25 == 9bv32)) && a4 == 1bv32)) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && !(13bv32 == a25))) || (a8 == 15bv32 && a25 == 12bv32) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((~bvsge32(138bv32, a23) && ~bvslt32(4294967253bv32, a23)) && a8 == 15bv32) && !(a25 == 9bv32)) && !(10bv32 == a25)) || ((a8 == 15bv32 && !(13bv32 == a25)) && !~bvsge32(245bv32, a29))) || ((~bvslt32(4294967253bv32, a23) && a8 == 15bv32) && a4 == 1bv32)) || ((a8 == 15bv32 && !(a25 == 9bv32)) && a4 == 1bv32)) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && !(13bv32 == a25))) || (a8 == 15bv32 && a25 == 12bv32) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:05:56,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726611ba-a932-4e4b-9e82-0d2aa9622276/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...