./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:40:13,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:40:13,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:40:13,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:40:13,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:40:13,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:40:13,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:40:13,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:40:13,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:40:13,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:40:13,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:40:13,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:40:13,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:40:13,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:40:13,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:40:13,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:40:13,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:40:13,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:40:13,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:40:13,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:40:13,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:40:13,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:40:13,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:40:13,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:40:13,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:40:13,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:40:13,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:40:13,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:40:13,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:40:13,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:40:13,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:40:13,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:40:13,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:40:13,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:40:13,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:40:13,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:40:13,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:40:13,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:40:13,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:40:13,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:40:13,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:40:13,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:40:13,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:40:13,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:40:13,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:40:13,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:40:13,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:40:13,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:40:13,568 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:40:13,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:40:13,569 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:40:13,569 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:40:13,571 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:40:13,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:40:13,571 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:40:13,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:40:13,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:40:13,573 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:40:13,573 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:40:13,573 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:40:13,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:40:13,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:40:13,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:40:13,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:40:13,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:40:13,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:40:13,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:40:13,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:40:13,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:40:13,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:40:13,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:40:13,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:40:13,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:40:13,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:40:13,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:40:13,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:40:13,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:40:13,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:40:13,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:40:13,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:40:13,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:40:13,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:40:13,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:40:13,583 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_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2021-11-20 23:40:13,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:40:13,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:40:13,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:40:13,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:40:13,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:40:13,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2021-11-20 23:40:14,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/data/049961019/f6162b7180734fa18395f3728a9dc98e/FLAG96a0c3131 [2021-11-20 23:40:14,849 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:40:14,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2021-11-20 23:40:14,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/data/049961019/f6162b7180734fa18395f3728a9dc98e/FLAG96a0c3131 [2021-11-20 23:40:14,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/data/049961019/f6162b7180734fa18395f3728a9dc98e [2021-11-20 23:40:14,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:40:14,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:40:14,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:40:14,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:40:14,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:40:14,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:14" (1/1) ... [2021-11-20 23:40:14,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fc2f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:14, skipping insertion in model container [2021-11-20 23:40:14,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:14" (1/1) ... [2021-11-20 23:40:14,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:40:15,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:40:15,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2021-11-20 23:40:15,754 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,755 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,755 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,756 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:40:15,813 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:40:15,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2021-11-20 23:40:15,864 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,865 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,865 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,866 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 23:40:15,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:40:15,974 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:40:15,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15 WrapperNode [2021-11-20 23:40:15,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:40:15,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:40:15,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:40:15,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:40:15,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,140 INFO L137 Inliner]: procedures = 278, calls = 64, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 300 [2021-11-20 23:40:16,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:40:16,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:40:16,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:40:16,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:40:16,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:40:16,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:40:16,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:40:16,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:40:16,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (1/1) ... [2021-11-20 23:40:16,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:40:16,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:40:16,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:40:16,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:40:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:40:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:40:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2021-11-20 23:40:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2021-11-20 23:40:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:40:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:40:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2021-11-20 23:40:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2021-11-20 23:40:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:40:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 23:40:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:40:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:40:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:40:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:40:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:40:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:40:16,345 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 23:40:16,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:40:16,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:40:17,253 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:40:17,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:40:17,277 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-20 23:40:17,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:17 BoogieIcfgContainer [2021-11-20 23:40:17,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:40:17,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:40:17,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:40:17,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:40:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:40:14" (1/3) ... [2021-11-20 23:40:17,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236092e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:17, skipping insertion in model container [2021-11-20 23:40:17,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:15" (2/3) ... [2021-11-20 23:40:17,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236092e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:17, skipping insertion in model container [2021-11-20 23:40:17,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:17" (3/3) ... [2021-11-20 23:40:17,294 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2021-11-20 23:40:17,300 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 23:40:17,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:40:17,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:40:17,300 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 23:40:17,390 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,390 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,390 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,390 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,391 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,391 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,391 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,391 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,392 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,392 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,392 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,392 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,393 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,393 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,393 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,393 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,394 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,394 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,394 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,394 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,395 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,395 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,395 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,395 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,395 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,396 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,396 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,396 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,396 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,397 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,397 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,397 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,397 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,398 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,398 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,398 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,398 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,399 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,399 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,399 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,399 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,399 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,400 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,400 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,400 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,400 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,401 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,401 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,401 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,401 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,401 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,402 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,402 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,402 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,402 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,403 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,403 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,403 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,403 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,403 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,404 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,404 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,404 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,404 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,405 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,406 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,406 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,406 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,406 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,407 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,407 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,407 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,407 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,407 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,408 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,408 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,408 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,408 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,408 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,409 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,409 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,409 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,409 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,410 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,410 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,410 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,410 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,410 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,411 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,411 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,411 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,411 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,412 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,412 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,412 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,412 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,412 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,413 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,413 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,413 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,413 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,414 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,414 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,414 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,414 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,414 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,415 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,415 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,415 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,415 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,415 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,416 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,416 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,416 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,416 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,417 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,418 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,418 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,418 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,418 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,419 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,419 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,419 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,419 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,420 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,420 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,420 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,420 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,420 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,421 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,421 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,421 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,421 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,422 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,422 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,422 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,422 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,422 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,423 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,423 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,423 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,423 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,423 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,424 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,424 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,424 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,424 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,425 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,425 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,425 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,425 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,425 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,426 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,426 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,426 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,426 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,426 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,427 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,427 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,427 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,427 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,427 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,428 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,428 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,428 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,429 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,429 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,429 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,429 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,430 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,430 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,430 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,430 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,431 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,431 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,431 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,431 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,431 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,432 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,432 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,432 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,432 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,432 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,433 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,433 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,433 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,433 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,433 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,434 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,434 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,434 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,434 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,435 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,435 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,435 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,435 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,435 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,436 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,436 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,436 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,436 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,436 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,437 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,437 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,437 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,437 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,442 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,442 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,444 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,445 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,445 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,445 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,445 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,445 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,446 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,446 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,446 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,446 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,446 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,447 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,447 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,447 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,447 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,447 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,448 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,448 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,448 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,448 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,448 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,449 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,449 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,449 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,449 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,449 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,450 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,450 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,450 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,450 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,451 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,451 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,451 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,451 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,451 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,452 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,452 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,452 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,452 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,452 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,453 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,453 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,453 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,453 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,453 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,454 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,454 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,454 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,454 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,454 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,455 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,455 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,455 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,455 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,456 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,456 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,456 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,456 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,456 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,457 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,458 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,458 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,458 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,458 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,458 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,459 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,460 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,460 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,460 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,460 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,460 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,461 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,461 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,461 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,461 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,461 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,462 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,462 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,462 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,462 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,462 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,463 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,463 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,463 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,463 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,463 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,464 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,465 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,465 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,465 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,465 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,465 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,466 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,466 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,466 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,466 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,466 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,467 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,468 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,468 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,468 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,468 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,468 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,469 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,470 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,470 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,470 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,470 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,470 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,471 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,471 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,471 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,471 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,471 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,472 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,472 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,472 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,472 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,472 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,473 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,474 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,474 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,474 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,474 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,475 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,476 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,477 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,477 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,477 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,477 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,477 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,478 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,478 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,478 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,478 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,478 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,479 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,480 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,480 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,480 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,480 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,480 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,481 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,481 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,481 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,481 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,481 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,482 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,482 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,482 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,482 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,482 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,483 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,483 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,483 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,483 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,483 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,484 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,484 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,484 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,484 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,484 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,485 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,486 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,486 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,486 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,487 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,487 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,491 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,491 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,492 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,492 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,492 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,492 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,492 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,493 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,493 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,493 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,493 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,493 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~q~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~pos~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem31#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,500 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,501 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,501 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,501 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,501 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,501 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,502 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,502 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,502 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,502 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,502 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,503 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,503 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,503 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,503 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,503 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,504 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,504 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,504 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,504 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,504 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,505 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,505 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,505 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,505 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,505 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,506 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,506 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,506 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,506 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,506 WARN L322 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 23:40:17,510 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-20 23:40:17,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:40:17,580 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:40:17,581 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:40:17,605 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-20 23:40:17,622 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 318 transitions, 658 flow [2021-11-20 23:40:17,626 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 318 transitions, 658 flow [2021-11-20 23:40:17,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 277 places, 318 transitions, 658 flow [2021-11-20 23:40:17,923 INFO L129 PetriNetUnfolder]: 77/514 cut-off events. [2021-11-20 23:40:17,926 INFO L130 PetriNetUnfolder]: For 8/14 co-relation queries the response was YES. [2021-11-20 23:40:17,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 514 events. 77/514 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2392 event pairs, 0 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 261. Up to 8 conditions per place. [2021-11-20 23:40:17,979 INFO L116 LiptonReduction]: Number of co-enabled transitions 32752 [2021-11-20 23:40:55,836 WARN L227 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 23:41:04,376 WARN L227 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 23:41:13,120 WARN L227 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 23:41:23,549 WARN L227 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 23:41:23,556 INFO L131 LiptonReduction]: Checked pairs total: 48409 [2021-11-20 23:41:23,556 INFO L133 LiptonReduction]: Total number of compositions: 285 [2021-11-20 23:41:23,593 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 94 transitions, 210 flow [2021-11-20 23:41:23,887 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4541 states, 4522 states have (on average 3.9217160548429897) internal successors, (17734), 4540 states have internal predecessors, (17734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 4541 states, 4522 states have (on average 3.9217160548429897) internal successors, (17734), 4540 states have internal predecessors, (17734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 23:41:23,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:23,920 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-20 23:41:23,921 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:23,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1439161113, now seen corresponding path program 1 times [2021-11-20 23:41:23,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:23,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300173213] [2021-11-20 23:41:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:23,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:24,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:24,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300173213] [2021-11-20 23:41:24,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300173213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:24,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:24,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:41:24,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548729490] [2021-11-20 23:41:24,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:24,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:41:24,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:24,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:41:24,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:24,298 INFO L87 Difference]: Start difference. First operand has 4541 states, 4522 states have (on average 3.9217160548429897) internal successors, (17734), 4540 states have internal predecessors, (17734), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:24,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:24,984 INFO L93 Difference]: Finished difference Result 4543 states and 13475 transitions. [2021-11-20 23:41:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:24,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 7 [2021-11-20 23:41:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:25,079 INFO L225 Difference]: With dead ends: 4543 [2021-11-20 23:41:25,079 INFO L226 Difference]: Without dead ends: 4543 [2021-11-20 23:41:25,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:25,091 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:25,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 28 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 23:41:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2021-11-20 23:41:25,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4542. [2021-11-20 23:41:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4542 states, 4523 states have (on average 2.978775149237232) internal successors, (13473), 4541 states have internal predecessors, (13473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 13473 transitions. [2021-11-20 23:41:25,559 INFO L78 Accepts]: Start accepts. Automaton has 4542 states and 13473 transitions. Word has length 7 [2021-11-20 23:41:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:25,560 INFO L470 AbstractCegarLoop]: Abstraction has 4542 states and 13473 transitions. [2021-11-20 23:41:25,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4542 states and 13473 transitions. [2021-11-20 23:41:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:41:25,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:25,565 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:25,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:41:25,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash -124361359, now seen corresponding path program 1 times [2021-11-20 23:41:25,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:25,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697065887] [2021-11-20 23:41:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:25,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:25,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:25,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697065887] [2021-11-20 23:41:25,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697065887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:25,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:25,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:41:25,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571554590] [2021-11-20 23:41:25,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:25,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:41:25,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:41:25,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:25,807 INFO L87 Difference]: Start difference. First operand 4542 states and 13473 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:26,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:26,185 INFO L93 Difference]: Finished difference Result 4543 states and 13474 transitions. [2021-11-20 23:41:26,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:26,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2021-11-20 23:41:26,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:26,239 INFO L225 Difference]: With dead ends: 4543 [2021-11-20 23:41:26,240 INFO L226 Difference]: Without dead ends: 4543 [2021-11-20 23:41:26,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:26,246 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:26,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:41:26,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2021-11-20 23:41:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4543. [2021-11-20 23:41:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4543 states, 4524 states have (on average 2.9783377541998233) internal successors, (13474), 4542 states have internal predecessors, (13474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4543 states to 4543 states and 13474 transitions. [2021-11-20 23:41:26,543 INFO L78 Accepts]: Start accepts. Automaton has 4543 states and 13474 transitions. Word has length 9 [2021-11-20 23:41:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:26,543 INFO L470 AbstractCegarLoop]: Abstraction has 4543 states and 13474 transitions. [2021-11-20 23:41:26,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4543 states and 13474 transitions. [2021-11-20 23:41:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:41:26,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:26,545 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:26,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:41:26,546 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:26,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash -381303622, now seen corresponding path program 1 times [2021-11-20 23:41:26,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:26,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118920099] [2021-11-20 23:41:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:26,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:26,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:41:26,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394100260] [2021-11-20 23:41:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:26,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:26,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:26,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:26,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:41:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:26,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:41:26,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:26,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:26,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118920099] [2021-11-20 23:41:26,909 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:41:26,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394100260] [2021-11-20 23:41:26,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394100260] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:26,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [360113658] [2021-11-20 23:41:26,918 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) 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:610) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) 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) [2021-11-20 23:41:26,921 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:41:26,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-20 23:41:26,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400278192] [2021-11-20 23:41:26,922 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:41:26,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:41:26,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:26,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:41:26,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:41:26,923 INFO L87 Difference]: Start difference. First operand 4543 states and 13474 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:27,829 INFO L93 Difference]: Finished difference Result 4546 states and 13477 transitions. [2021-11-20 23:41:27,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:41:27,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 10 [2021-11-20 23:41:27,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:27,889 INFO L225 Difference]: With dead ends: 4546 [2021-11-20 23:41:27,890 INFO L226 Difference]: Without dead ends: 4546 [2021-11-20 23:41:27,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:41:27,901 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:27,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-20 23:41:27,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2021-11-20 23:41:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 4546. [2021-11-20 23:41:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4546 states, 4527 states have (on average 2.977026728517782) internal successors, (13477), 4545 states have internal predecessors, (13477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 13477 transitions. [2021-11-20 23:41:28,254 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 13477 transitions. Word has length 10 [2021-11-20 23:41:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:28,254 INFO L470 AbstractCegarLoop]: Abstraction has 4546 states and 13477 transitions. [2021-11-20 23:41:28,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 13477 transitions. [2021-11-20 23:41:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:41:28,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:28,256 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:28,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:28,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:28,485 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:28,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1494773681, now seen corresponding path program 2 times [2021-11-20 23:41:28,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:28,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372843216] [2021-11-20 23:41:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:28,525 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:41:28,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350040667] [2021-11-20 23:41:28,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:41:28,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:28,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:28,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:41:28,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 23:41:28,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:41:28,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:41:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 23:41:28,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 23:41:28,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:28,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372843216] [2021-11-20 23:41:28,818 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:41:28,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350040667] [2021-11-20 23:41:28,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350040667] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:28,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1378666580] [2021-11-20 23:41:28,820 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) 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:610) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) 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) [2021-11-20 23:41:28,825 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:41:28,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-11-20 23:41:28,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941336342] [2021-11-20 23:41:28,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:41:28,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:41:28,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:28,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:41:28,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:41:28,829 INFO L87 Difference]: Start difference. First operand 4546 states and 13477 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:29,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:29,610 INFO L93 Difference]: Finished difference Result 4564 states and 13498 transitions. [2021-11-20 23:41:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:41:29,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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 13 [2021-11-20 23:41:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:29,658 INFO L225 Difference]: With dead ends: 4564 [2021-11-20 23:41:29,658 INFO L226 Difference]: Without dead ends: 4564 [2021-11-20 23:41:29,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:41:29,660 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:29,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 56 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 23:41:29,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4564 states. [2021-11-20 23:41:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4564 to 4564. [2021-11-20 23:41:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4564 states, 4545 states have (on average 2.96985698569857) internal successors, (13498), 4563 states have internal predecessors, (13498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 13498 transitions. [2021-11-20 23:41:29,902 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 13498 transitions. Word has length 13 [2021-11-20 23:41:29,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:29,903 INFO L470 AbstractCegarLoop]: Abstraction has 4564 states and 13498 transitions. [2021-11-20 23:41:29,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 13498 transitions. [2021-11-20 23:41:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-20 23:41:29,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:29,905 INFO L514 BasicCegarLoop]: trace histogram [16, 4, 4, 2, 1, 1, 1, 1, 1] [2021-11-20 23:41:29,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:30,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:30,124 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1551586063, now seen corresponding path program 3 times [2021-11-20 23:41:30,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:30,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680593798] [2021-11-20 23:41:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:30,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:30,176 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:41:30,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968188482] [2021-11-20 23:41:30,176 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 23:41:30,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:30,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:30,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:41:30,678 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 23:41:30,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:41:30,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:41:30,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 23:41:30,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 23:41:30,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:30,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680593798] [2021-11-20 23:41:30,987 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:41:30,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968188482] [2021-11-20 23:41:30,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968188482] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:30,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1528543579] [2021-11-20 23:41:30,988 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) 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:610) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) 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) [2021-11-20 23:41:30,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:41:30,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-20 23:41:30,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733408533] [2021-11-20 23:41:30,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:41:30,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:41:30,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:30,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:41:30,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:41:30,992 INFO L87 Difference]: Start difference. First operand 4564 states and 13498 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:32,786 INFO L93 Difference]: Finished difference Result 4588 states and 13522 transitions. [2021-11-20 23:41:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:41:32,787 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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 31 [2021-11-20 23:41:32,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:32,859 INFO L225 Difference]: With dead ends: 4588 [2021-11-20 23:41:32,860 INFO L226 Difference]: Without dead ends: 4588 [2021-11-20 23:41:32,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:41:32,868 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:32,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-20 23:41:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2021-11-20 23:41:33,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 4588. [2021-11-20 23:41:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 4569 states have (on average 2.9595097395491354) internal successors, (13522), 4587 states have internal predecessors, (13522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 13522 transitions. [2021-11-20 23:41:33,318 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 13522 transitions. Word has length 31 [2021-11-20 23:41:33,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:33,319 INFO L470 AbstractCegarLoop]: Abstraction has 4588 states and 13522 transitions. [2021-11-20 23:41:33,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 13522 transitions. [2021-11-20 23:41:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 23:41:33,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:33,325 INFO L514 BasicCegarLoop]: trace histogram [40, 4, 4, 2, 1, 1, 1, 1, 1] [2021-11-20 23:41:33,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:33,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:33,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash 942572431, now seen corresponding path program 4 times [2021-11-20 23:41:33,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:33,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932334671] [2021-11-20 23:41:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:33,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:33,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:41:33,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25467862] [2021-11-20 23:41:33,583 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 23:41:33,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:33,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:33,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:41:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:34,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 23:41:34,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 367 proven. 55 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 23:41:34,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 367 proven. 55 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 23:41:35,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:35,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932334671] [2021-11-20 23:41:35,160 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:41:35,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25467862] [2021-11-20 23:41:35,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25467862] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:35,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1237589532] [2021-11-20 23:41:35,161 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) 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:610) 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:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) 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) [2021-11-20 23:41:35,163 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:41:35,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-11-20 23:41:35,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028542004] [2021-11-20 23:41:35,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:41:35,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 23:41:35,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 23:41:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-11-20 23:41:35,167 INFO L87 Difference]: Start difference. First operand 4588 states and 13522 transitions. Second operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:39,068 INFO L93 Difference]: Finished difference Result 4636 states and 13570 transitions. [2021-11-20 23:41:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-20 23:41:39,069 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 24 states have internal predecessors, (33), 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 55 [2021-11-20 23:41:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:39,094 INFO L225 Difference]: With dead ends: 4636 [2021-11-20 23:41:39,094 INFO L226 Difference]: Without dead ends: 4636 [2021-11-20 23:41:39,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-11-20 23:41:39,098 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:39,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:41:39,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4636 states. [2021-11-20 23:41:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4636 to 4636. [2021-11-20 23:41:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 4617 states have (on average 2.9391379683777346) internal successors, (13570), 4635 states have internal predecessors, (13570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 13570 transitions. [2021-11-20 23:41:39,280 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 13570 transitions. Word has length 55 [2021-11-20 23:41:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:39,280 INFO L470 AbstractCegarLoop]: Abstraction has 4636 states and 13570 transitions. [2021-11-20 23:41:39,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:41:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 13570 transitions. [2021-11-20 23:41:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 23:41:39,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:39,290 INFO L514 BasicCegarLoop]: trace histogram [88, 4, 4, 2, 1, 1, 1, 1, 1] [2021-11-20 23:41:39,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:39,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 23:41:39,507 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 23:41:39,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:39,508 INFO L85 PathProgramCache]: Analyzing trace with hash -370957169, now seen corresponding path program 5 times [2021-11-20 23:41:39,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:39,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761082819] [2021-11-20 23:41:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:39,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:39,571 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:41:39,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998131366] [2021-11-20 23:41:39,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:41:39,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:39,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:39,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c9284-82f7-4f36-ac9e-9be5267b4531/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process