./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:54:56,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:54:56,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:54:56,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:54:56,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:54:56,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:54:56,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:54:56,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:54:56,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:54:56,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:54:56,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:54:56,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:54:56,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:54:56,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:54:56,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:54:56,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:54:56,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:54:56,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:54:56,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:54:56,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:54:56,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:54:56,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:54:56,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:54:56,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:54:56,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:54:56,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:54:56,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:54:56,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:54:56,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:54:56,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:54:56,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:54:56,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:54:56,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:54:56,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:54:56,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:54:56,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:54:56,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:54:56,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:54:56,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:54:56,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:54:56,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:54:56,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:54:56,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:54:56,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:54:56,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:54:56,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:54:56,444 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:54:56,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:54:56,445 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:54:56,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:54:56,445 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:54:56,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:54:56,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:54:56,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:54:56,447 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:54:56,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:54:56,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:54:56,448 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:54:56,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:54:56,449 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:54:56,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:54:56,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:54:56,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:54:56,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:54:56,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:54:56,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:54:56,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:54:56,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:54:56,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:54:56,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:54:56,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:54:56,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:54:56,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:54:56,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:56,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:54:56,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:54:56,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:54:56,457 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:54:56,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:54:56,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:54:56,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:54:56,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:54:56,458 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_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2021-11-19 14:54:56,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:54:56,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:54:56,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:54:56,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:54:56,918 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:54:56,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2021-11-19 14:54:57,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/data/f87e3880c/8c693d15166140a7a071505b0eb522d5/FLAGbb5f90f28 [2021-11-19 14:54:57,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:54:57,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/sv-benchmarks/c/pthread/queue_ok_longest.i [2021-11-19 14:54:57,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/data/f87e3880c/8c693d15166140a7a071505b0eb522d5/FLAGbb5f90f28 [2021-11-19 14:54:57,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/data/f87e3880c/8c693d15166140a7a071505b0eb522d5 [2021-11-19 14:54:57,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:54:58,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:54:58,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:58,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:54:58,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:54:58,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:57" (1/1) ... [2021-11-19 14:54:58,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7847d8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58, skipping insertion in model container [2021-11-19 14:54:58,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:57" (1/1) ... [2021-11-19 14:54:58,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:54:58,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:54:58,628 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_13cafa25-11ae-4d6d-9953-1e88155fc588/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2021-11-19 14:54:58,634 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_13cafa25-11ae-4d6d-9953-1e88155fc588/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2021-11-19 14:54:58,639 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:58,651 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:54:58,744 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_13cafa25-11ae-4d6d-9953-1e88155fc588/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2021-11-19 14:54:58,747 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_13cafa25-11ae-4d6d-9953-1e88155fc588/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2021-11-19 14:54:58,750 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:58,812 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:54:58,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58 WrapperNode [2021-11-19 14:54:58,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:58,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:54:58,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:54:58,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:54:58,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,906 INFO L137 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 201 [2021-11-19 14:54:58,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:54:58,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:54:58,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:54:58,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:54:58,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:54:58,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:54:58,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:54:58,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:54:58,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (1/1) ... [2021-11-19 14:54:58,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:58,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:54:58,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:54:59,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:54:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-19 14:54:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-19 14:54:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-19 14:54:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-19 14:54:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:54:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:54:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:54:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:54:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 14:54:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:54:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:54:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:54:59,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:54:59,047 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 14:54:59,202 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:54:59,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:54:59,626 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:54:59,637 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:54:59,637 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:54:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:59 BoogieIcfgContainer [2021-11-19 14:54:59,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:54:59,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:54:59,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:54:59,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:54:59,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:54:57" (1/3) ... [2021-11-19 14:54:59,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53afbc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:59, skipping insertion in model container [2021-11-19 14:54:59,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:58" (2/3) ... [2021-11-19 14:54:59,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53afbc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:59, skipping insertion in model container [2021-11-19 14:54:59,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:59" (3/3) ... [2021-11-19 14:54:59,648 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2021-11-19 14:54:59,653 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 14:54:59,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:54:59,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:54:59,654 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 14:54:59,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,752 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,759 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,763 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,766 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,766 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,766 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,766 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,769 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,769 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,775 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,775 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,775 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,775 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,781 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,784 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,784 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,784 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,784 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,785 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,785 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,785 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,785 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,786 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,786 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,786 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,786 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,787 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,787 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,787 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,787 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,788 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,804 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,819 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,836 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,837 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,838 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,839 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,840 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,840 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,857 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,857 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,858 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,858 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,858 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,858 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,859 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,859 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,859 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,859 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,860 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,861 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,861 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,861 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,861 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,861 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,862 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,863 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,863 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,863 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,863 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,867 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,867 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:54:59,880 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-19 14:54:59,940 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:54:59,950 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 [2021-11-19 14:54:59,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-19 14:54:59,970 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 14:54:59,986 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 228 transitions, 472 flow [2021-11-19 14:54:59,989 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 228 transitions, 472 flow [2021-11-19 14:54:59,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 228 transitions, 472 flow [2021-11-19 14:55:00,135 INFO L129 PetriNetUnfolder]: 13/226 cut-off events. [2021-11-19 14:55:00,136 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-19 14:55:00,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 226 events. 13/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 367 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 146. Up to 3 conditions per place. [2021-11-19 14:55:00,156 INFO L116 LiptonReduction]: Number of co-enabled transitions 10630 [2021-11-19 14:55:12,497 INFO L131 LiptonReduction]: Checked pairs total: 20726 [2021-11-19 14:55:12,497 INFO L133 LiptonReduction]: Total number of compositions: 209 [2021-11-19 14:55:12,509 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 53 transitions, 122 flow [2021-11-19 14:55:12,595 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 579 states, 577 states have (on average 2.681109185441941) internal successors, (1547), 578 states have internal predecessors, (1547), 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) [2021-11-19 14:55:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 579 states, 577 states have (on average 2.681109185441941) internal successors, (1547), 578 states have internal predecessors, (1547), 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) [2021-11-19 14:55:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-19 14:55:12,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:12,607 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-19 14:55:12,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:12,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash 892, now seen corresponding path program 1 times [2021-11-19 14:55:12,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:12,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785114338] [2021-11-19 14:55:12,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:12,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:12,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:12,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785114338] [2021-11-19 14:55:12,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785114338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:55:12,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:55:12,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-19 14:55:12,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733264541] [2021-11-19 14:55:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:55:12,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:55:12,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:12,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:55:12,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:55:12,845 INFO L87 Difference]: Start difference. First operand has 579 states, 577 states have (on average 2.681109185441941) internal successors, (1547), 578 states have internal predecessors, (1547), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-19 14:55:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:13,021 INFO L93 Difference]: Finished difference Result 578 states and 1546 transitions. [2021-11-19 14:55:13,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:55:13,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-11-19 14:55:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:13,059 INFO L225 Difference]: With dead ends: 578 [2021-11-19 14:55:13,059 INFO L226 Difference]: Without dead ends: 578 [2021-11-19 14:55:13,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:55:13,067 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:13,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:55:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-11-19 14:55:13,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-11-19 14:55:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 577 states have (on average 2.679376083188908) internal successors, (1546), 577 states have internal predecessors, (1546), 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) [2021-11-19 14:55:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 1546 transitions. [2021-11-19 14:55:13,187 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 1546 transitions. Word has length 1 [2021-11-19 14:55:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:13,195 INFO L470 AbstractCegarLoop]: Abstraction has 578 states and 1546 transitions. [2021-11-19 14:55:13,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-19 14:55:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1546 transitions. [2021-11-19 14:55:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 14:55:13,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:13,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:13,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:55:13,203 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:13,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:13,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1745003433, now seen corresponding path program 1 times [2021-11-19 14:55:13,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:13,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347273201] [2021-11-19 14:55:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:13,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:13,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:13,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347273201] [2021-11-19 14:55:13,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347273201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:55:13,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:55:13,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:55:13,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058586533] [2021-11-19 14:55:13,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:55:13,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:55:13,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:13,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:55:13,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:55:13,468 INFO L87 Difference]: Start difference. First operand 578 states and 1546 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-19 14:55:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:13,567 INFO L93 Difference]: Finished difference Result 236 states and 510 transitions. [2021-11-19 14:55:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:55:13,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-11-19 14:55:13,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:13,570 INFO L225 Difference]: With dead ends: 236 [2021-11-19 14:55:13,570 INFO L226 Difference]: Without dead ends: 214 [2021-11-19 14:55:13,570 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 [2021-11-19 14:55:13,572 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:13,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:55:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-19 14:55:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2021-11-19 14:55:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 2.1971830985915495) internal successors, (468), 213 states have internal predecessors, (468), 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) [2021-11-19 14:55:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 468 transitions. [2021-11-19 14:55:13,589 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 468 transitions. Word has length 16 [2021-11-19 14:55:13,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:13,590 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 468 transitions. [2021-11-19 14:55:13,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-19 14:55:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 468 transitions. [2021-11-19 14:55:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 14:55:13,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:13,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:13,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:55:13,594 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:13,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:13,595 INFO L85 PathProgramCache]: Analyzing trace with hash 898982583, now seen corresponding path program 1 times [2021-11-19 14:55:13,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:13,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434060168] [2021-11-19 14:55:13,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:13,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:13,708 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:13,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434060168] [2021-11-19 14:55:13,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434060168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:55:13,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:55:13,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:55:13,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291812276] [2021-11-19 14:55:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:55:13,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:55:13,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:55:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:55:13,711 INFO L87 Difference]: Start difference. First operand 214 states and 468 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-19 14:55:13,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:13,804 INFO L93 Difference]: Finished difference Result 160 states and 321 transitions. [2021-11-19 14:55:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:55:13,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-19 14:55:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:13,806 INFO L225 Difference]: With dead ends: 160 [2021-11-19 14:55:13,806 INFO L226 Difference]: Without dead ends: 158 [2021-11-19 14:55:13,806 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 [2021-11-19 14:55:13,807 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 37 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:13,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 3 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:55:13,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-19 14:55:13,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-11-19 14:55:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 2.0254777070063694) internal successors, (318), 157 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:55:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 318 transitions. [2021-11-19 14:55:13,818 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 318 transitions. Word has length 20 [2021-11-19 14:55:13,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:13,818 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 318 transitions. [2021-11-19 14:55:13,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-19 14:55:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 318 transitions. [2021-11-19 14:55:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 14:55:13,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:13,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:13,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 14:55:13,821 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:13,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:13,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1836081281, now seen corresponding path program 1 times [2021-11-19 14:55:13,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:13,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520540754] [2021-11-19 14:55:13,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:13,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:13,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:13,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520540754] [2021-11-19 14:55:13,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520540754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:55:13,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:55:13,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:55:13,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079433795] [2021-11-19 14:55:13,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:55:13,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:55:13,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:13,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:55:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:55:13,876 INFO L87 Difference]: Start difference. First operand 158 states and 318 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2021-11-19 14:55:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:13,963 INFO L93 Difference]: Finished difference Result 198 states and 392 transitions. [2021-11-19 14:55:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:55:13,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-11-19 14:55:13,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:13,972 INFO L225 Difference]: With dead ends: 198 [2021-11-19 14:55:13,972 INFO L226 Difference]: Without dead ends: 198 [2021-11-19 14:55:13,972 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 [2021-11-19 14:55:13,975 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:13,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 8 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:55:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-19 14:55:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2021-11-19 14:55:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.018633540372671) internal successors, (325), 161 states have internal predecessors, (325), 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) [2021-11-19 14:55:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 325 transitions. [2021-11-19 14:55:13,993 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 325 transitions. Word has length 21 [2021-11-19 14:55:13,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:13,994 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 325 transitions. [2021-11-19 14:55:13,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-19 14:55:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 325 transitions. [2021-11-19 14:55:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-19 14:55:14,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:14,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:14,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 14:55:14,003 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:14,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:14,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1741548729, now seen corresponding path program 1 times [2021-11-19 14:55:14,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:14,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393731857] [2021-11-19 14:55:14,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:14,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:14,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:14,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393731857] [2021-11-19 14:55:14,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393731857] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:14,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424206672] [2021-11-19 14:55:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:14,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:14,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:14,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:55:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:14,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:55:14,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:14,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:14,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424206672] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:14,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1872080378] [2021-11-19 14:55:14,417 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) [2021-11-19 14:55:14,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:14,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-19 14:55:14,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15342098] [2021-11-19 14:55:14,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:14,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:55:14,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:14,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:55:14,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:55:14,451 INFO L87 Difference]: Start difference. First operand 162 states and 325 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-11-19 14:55:14,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:14,622 INFO L93 Difference]: Finished difference Result 282 states and 547 transitions. [2021-11-19 14:55:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:55:14,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 29 [2021-11-19 14:55:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:14,625 INFO L225 Difference]: With dead ends: 282 [2021-11-19 14:55:14,625 INFO L226 Difference]: Without dead ends: 282 [2021-11-19 14:55:14,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:55:14,627 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 70 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:14,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 13 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:55:14,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-19 14:55:14,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-19 14:55:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.9466192170818506) internal successors, (547), 281 states have internal predecessors, (547), 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) [2021-11-19 14:55:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 547 transitions. [2021-11-19 14:55:14,641 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 547 transitions. Word has length 29 [2021-11-19 14:55:14,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:14,641 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 547 transitions. [2021-11-19 14:55:14,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-11-19 14:55:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 547 transitions. [2021-11-19 14:55:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-19 14:55:14,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:14,644 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:14,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:14,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:14,867 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash -63979873, now seen corresponding path program 2 times [2021-11-19 14:55:14,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:14,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025580600] [2021-11-19 14:55:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:14,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:15,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:15,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025580600] [2021-11-19 14:55:15,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025580600] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:15,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546103187] [2021-11-19 14:55:15,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:15,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:15,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:15,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:55:15,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 14:55:15,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:55:15,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-19 14:55:15,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:15,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-19 14:55:16,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:55:16,228 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-11-19 14:55:16,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-19 14:55:16,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 14:55:16,332 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 14:55:16,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-11-19 14:55:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:16,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:55:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-19 14:55:16,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:19,988 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) is different from false [2021-11-19 14:55:20,078 INFO L354 Elim1Store]: treesize reduction 95, result has 40.6 percent of original size [2021-11-19 14:55:20,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 178 [2021-11-19 14:55:20,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:20,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 196 [2021-11-19 14:55:20,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-11-19 14:55:20,488 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:20,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2021-11-19 14:55:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 2 not checked. [2021-11-19 14:55:20,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546103187] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:20,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [313776856] [2021-11-19 14:55:20,676 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) [2021-11-19 14:55:20,677 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:20,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2021-11-19 14:55:20,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848433008] [2021-11-19 14:55:20,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:20,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 14:55:20,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 14:55:20,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=4, NotChecked=28, Total=272 [2021-11-19 14:55:20,680 INFO L87 Difference]: Start difference. First operand 282 states and 547 transitions. Second operand has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 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) [2021-11-19 14:55:21,421 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_t1Thread1of1ForFork1_~i~0#1| 0) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:22,235 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:22,814 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:23,645 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 2)) is different from false [2021-11-19 14:55:24,347 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 3) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:25,155 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_70| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 4) (< (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204)) 800) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:25,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:25,380 INFO L93 Difference]: Finished difference Result 964 states and 1784 transitions. [2021-11-19 14:55:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-19 14:55:25,381 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-19 14:55:25,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:25,387 INFO L225 Difference]: With dead ends: 964 [2021-11-19 14:55:25,387 INFO L226 Difference]: Without dead ends: 964 [2021-11-19 14:55:25,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 128 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=452, Invalid=1206, Unknown=10, NotChecked=588, Total=2256 [2021-11-19 14:55:25,390 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 373 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 278 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:25,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 45 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 626 Invalid, 0 Unknown, 278 Unchecked, 0.6s Time] [2021-11-19 14:55:25,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-11-19 14:55:25,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 519. [2021-11-19 14:55:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.859073359073359) internal successors, (963), 518 states have internal predecessors, (963), 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) [2021-11-19 14:55:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 963 transitions. [2021-11-19 14:55:25,417 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 963 transitions. Word has length 53 [2021-11-19 14:55:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:25,417 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 963 transitions. [2021-11-19 14:55:25,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 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) [2021-11-19 14:55:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 963 transitions. [2021-11-19 14:55:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-19 14:55:25,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:25,420 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:25,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:25,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-19 14:55:25,643 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:25,644 INFO L85 PathProgramCache]: Analyzing trace with hash 486675572, now seen corresponding path program 1 times [2021-11-19 14:55:25,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:25,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693905777] [2021-11-19 14:55:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:25,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:25,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:25,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693905777] [2021-11-19 14:55:25,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693905777] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:25,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388122391] [2021-11-19 14:55:25,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:25,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:25,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:25,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:25,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:55:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:25,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:55:25,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:26,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:26,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388122391] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:26,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1624306060] [2021-11-19 14:55:26,299 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) [2021-11-19 14:55:26,300 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:26,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-19 14:55:26,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182613435] [2021-11-19 14:55:26,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:26,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:55:26,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:26,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:55:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:55:26,302 INFO L87 Difference]: Start difference. First operand 519 states and 963 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 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) [2021-11-19 14:55:26,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:26,574 INFO L93 Difference]: Finished difference Result 1029 states and 1819 transitions. [2021-11-19 14:55:26,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 14:55:26,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 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 54 [2021-11-19 14:55:26,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:26,583 INFO L225 Difference]: With dead ends: 1029 [2021-11-19 14:55:26,583 INFO L226 Difference]: Without dead ends: 1029 [2021-11-19 14:55:26,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:55:26,585 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 240 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:26,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 19 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:55:26,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-11-19 14:55:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 899. [2021-11-19 14:55:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 898 states have (on average 1.7839643652561248) internal successors, (1602), 898 states have internal predecessors, (1602), 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) [2021-11-19 14:55:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1602 transitions. [2021-11-19 14:55:26,624 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1602 transitions. Word has length 54 [2021-11-19 14:55:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:26,624 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1602 transitions. [2021-11-19 14:55:26,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 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) [2021-11-19 14:55:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1602 transitions. [2021-11-19 14:55:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-19 14:55:26,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:26,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:26,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:26,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:26,842 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:26,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1188099364, now seen corresponding path program 2 times [2021-11-19 14:55:26,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:26,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859169685] [2021-11-19 14:55:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:26,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:27,126 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:27,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859169685] [2021-11-19 14:55:27,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859169685] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:27,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129487389] [2021-11-19 14:55:27,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:27,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:27,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:27,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 14:55:27,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 14:55:27,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:55:27,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-19 14:55:27,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:27,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-19 14:55:28,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:55:28,108 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-11-19 14:55:28,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-19 14:55:28,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 14:55:28,196 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 14:55:28,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-11-19 14:55:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:28,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:55:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 85 proven. 53 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-11-19 14:55:28,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:33,012 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) is different from false [2021-11-19 14:55:33,093 INFO L354 Elim1Store]: treesize reduction 95, result has 40.6 percent of original size [2021-11-19 14:55:33,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 178 [2021-11-19 14:55:33,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:33,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 196 [2021-11-19 14:55:33,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-19 14:55:33,598 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:33,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 55 [2021-11-19 14:55:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 77 proven. 53 refuted. 0 times theorem prover too weak. 232 trivial. 8 not checked. [2021-11-19 14:55:33,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129487389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:33,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [507188071] [2021-11-19 14:55:33,972 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) [2021-11-19 14:55:33,974 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:33,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 23 [2021-11-19 14:55:33,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177767124] [2021-11-19 14:55:33,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:33,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:55:33,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:55:33,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=348, Unknown=6, NotChecked=40, Total=506 [2021-11-19 14:55:33,977 INFO L87 Difference]: Start difference. First operand 899 states and 1602 transitions. Second operand has 23 states, 23 states have (on average 6.173913043478261) internal successors, (142), 23 states have internal predecessors, (142), 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) [2021-11-19 14:55:34,653 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (= |c_t1Thread1of1ForFork1_~i~0#1| 0) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:35,403 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (<= |c_t1Thread1of1ForFork1_~i~0#1| 1) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:36,006 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:36,755 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 2)) is different from false [2021-11-19 14:55:37,370 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 3) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:37,982 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 4) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:38,595 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 5)) is different from false [2021-11-19 14:55:39,215 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 6) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:39,826 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 7) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:40,457 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (<= |c_t1Thread1of1ForFork1_~i~0#1| 8) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:41,098 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 9)) is different from false [2021-11-19 14:55:41,839 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87|) (< (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_87| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800)))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 10) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:41,955 INFO L93 Difference]: Finished difference Result 2129 states and 3593 transitions. [2021-11-19 14:55:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-19 14:55:41,956 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.173913043478261) internal successors, (142), 23 states have internal predecessors, (142), 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 102 [2021-11-19 14:55:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:41,969 INFO L225 Difference]: With dead ends: 2129 [2021-11-19 14:55:41,969 INFO L226 Difference]: Without dead ends: 2129 [2021-11-19 14:55:41,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 1942 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=1610, Invalid=4276, Unknown=18, NotChecked=2106, Total=8010 [2021-11-19 14:55:41,974 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 541 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 416 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:41,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 35 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 680 Invalid, 0 Unknown, 416 Unchecked, 0.6s Time] [2021-11-19 14:55:41,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-11-19 14:55:42,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1098. [2021-11-19 14:55:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1097 states have (on average 1.8997265268915224) internal successors, (2084), 1097 states have internal predecessors, (2084), 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) [2021-11-19 14:55:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 2084 transitions. [2021-11-19 14:55:42,062 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 2084 transitions. Word has length 102 [2021-11-19 14:55:42,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:42,062 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 2084 transitions. [2021-11-19 14:55:42,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.173913043478261) internal successors, (142), 23 states have internal predecessors, (142), 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) [2021-11-19 14:55:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 2084 transitions. [2021-11-19 14:55:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-19 14:55:42,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:42,067 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:42,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:42,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:42,283 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1733584283, now seen corresponding path program 1 times [2021-11-19 14:55:42,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:42,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673884652] [2021-11-19 14:55:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:42,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:42,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:42,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673884652] [2021-11-19 14:55:42,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673884652] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:42,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664456362] [2021-11-19 14:55:42,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:42,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:42,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:42,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 14:55:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:42,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 14:55:42,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:42,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:43,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664456362] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:43,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1102501216] [2021-11-19 14:55:43,392 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) [2021-11-19 14:55:43,392 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:43,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2021-11-19 14:55:43,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774149154] [2021-11-19 14:55:43,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:43,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-19 14:55:43,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-19 14:55:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:55:43,395 INFO L87 Difference]: Start difference. First operand 1098 states and 2084 transitions. Second operand has 25 states, 25 states have (on average 8.04) internal successors, (201), 25 states have internal predecessors, (201), 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) [2021-11-19 14:55:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:43,870 INFO L93 Difference]: Finished difference Result 2058 states and 3720 transitions. [2021-11-19 14:55:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 14:55:43,871 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.04) internal successors, (201), 25 states have internal predecessors, (201), 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 105 [2021-11-19 14:55:43,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:43,883 INFO L225 Difference]: With dead ends: 2058 [2021-11-19 14:55:43,884 INFO L226 Difference]: Without dead ends: 2058 [2021-11-19 14:55:43,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:55:43,885 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 522 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:43,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 40 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:55:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2021-11-19 14:55:43,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 1602. [2021-11-19 14:55:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1601 states have (on average 1.8319800124921923) internal successors, (2933), 1601 states have internal predecessors, (2933), 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) [2021-11-19 14:55:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2933 transitions. [2021-11-19 14:55:43,937 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2933 transitions. Word has length 105 [2021-11-19 14:55:43,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:43,938 INFO L470 AbstractCegarLoop]: Abstraction has 1602 states and 2933 transitions. [2021-11-19 14:55:43,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.04) internal successors, (201), 25 states have internal predecessors, (201), 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) [2021-11-19 14:55:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2933 transitions. [2021-11-19 14:55:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-19 14:55:43,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:43,944 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 12, 12, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:43,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:44,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:44,159 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:55:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:44,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1999491205, now seen corresponding path program 2 times [2021-11-19 14:55:44,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:55:44,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51314444] [2021-11-19 14:55:44,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:55:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 0 proven. 1795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:44,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:55:44,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51314444] [2021-11-19 14:55:44,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51314444] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:55:44,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463692605] [2021-11-19 14:55:44,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:44,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:44,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:44,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 14:55:45,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 14:55:45,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:55:45,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-19 14:55:45,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:45,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-19 14:55:45,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:55:45,700 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-11-19 14:55:45,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-19 14:55:45,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 14:55:45,778 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 14:55:45,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-11-19 14:55:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:45,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:55:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 185 proven. 125 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-19 14:55:45,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:49,822 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) is different from false [2021-11-19 14:55:49,924 INFO L354 Elim1Store]: treesize reduction 95, result has 40.6 percent of original size [2021-11-19 14:55:49,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 179 [2021-11-19 14:55:49,950 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:49,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 183 treesize of output 197 [2021-11-19 14:55:50,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2021-11-19 14:55:50,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2021-11-19 14:55:50,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:50,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 97 [2021-11-19 14:55:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 165 proven. 125 refuted. 0 times theorem prover too weak. 1485 trivial. 20 not checked. [2021-11-19 14:55:51,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463692605] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:51,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [448870702] [2021-11-19 14:55:51,187 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) [2021-11-19 14:55:51,189 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:55:51,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 7, 7] total 35 [2021-11-19 14:55:51,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014714409] [2021-11-19 14:55:51,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:55:51,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-19 14:55:51,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:55:51,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-19 14:55:51,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=788, Unknown=4, NotChecked=64, Total=1190 [2021-11-19 14:55:51,197 INFO L87 Difference]: Start difference. First operand 1602 states and 2933 transitions. Second operand has 35 states, 35 states have (on average 7.142857142857143) internal successors, (250), 35 states have internal predecessors, (250), 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) [2021-11-19 14:55:51,868 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_t1Thread1of1ForFork1_~i~0#1| 0) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:52,437 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 20) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:53,259 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:53,755 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:54,271 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:55,024 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 2)) is different from false [2021-11-19 14:55:55,734 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 3) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:56,490 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 4) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:57,176 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 5)) is different from false [2021-11-19 14:55:57,773 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 6) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:58,612 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 7) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:55:59,298 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (<= |c_t1Thread1of1ForFork1_~i~0#1| 8) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:00,003 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 9)) is different from false [2021-11-19 14:56:00,764 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 10) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:01,514 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 11) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:02,352 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (<= |c_t1Thread1of1ForFork1_~i~0#1| 12) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:03,165 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 13)) is different from false [2021-11-19 14:56:03,822 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 14)) is different from false [2021-11-19 14:56:04,499 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 15) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:05,178 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1) (<= |c_t1Thread1of1ForFork1_~i~0#1| 16)) is different from false [2021-11-19 14:56:05,884 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 17) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:06,596 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 18) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:07,292 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 19) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:07,996 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= |c_t1Thread1of1ForFork1_~i~0#1| 20) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:08,726 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (<= |c_t1Thread1of1ForFork1_~i~0#1| 21) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:09,503 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_t1Thread1of1ForFork1_~i~0#1| 22) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| Int) (|~#stored_elements~0.offset| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)) |c_~#queue~0.base|)) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128|) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_128| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 3204 |c_~#queue~0.offset|)) 1)) is different from false [2021-11-19 14:56:09,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:56:09,661 INFO L93 Difference]: Finished difference Result 5611 states and 9605 transitions. [2021-11-19 14:56:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-11-19 14:56:09,662 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 7.142857142857143) internal successors, (250), 35 states have internal predecessors, (250), 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 207 [2021-11-19 14:56:09,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:56:09,695 INFO L225 Difference]: With dead ends: 5611 [2021-11-19 14:56:09,695 INFO L226 Difference]: Without dead ends: 5611 [2021-11-19 14:56:09,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 497 SyntacticMatches, 2 SemanticMatches, 178 ConstructedPredicates, 27 IntricatePredicates, 0 DeprecatedPredicates, 8685 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=6313, Invalid=17021, Unknown=30, NotChecked=8856, Total=32220 [2021-11-19 14:56:09,705 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 853 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 654 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:56:09,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 57 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1187 Invalid, 0 Unknown, 654 Unchecked, 1.0s Time] [2021-11-19 14:56:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5611 states. [2021-11-19 14:56:09,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5611 to 2329. [2021-11-19 14:56:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2328 states have (on average 1.8960481099656357) internal successors, (4414), 2328 states have internal predecessors, (4414), 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) [2021-11-19 14:56:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 4414 transitions. [2021-11-19 14:56:09,811 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 4414 transitions. Word has length 207 [2021-11-19 14:56:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:56:09,812 INFO L470 AbstractCegarLoop]: Abstraction has 2329 states and 4414 transitions. [2021-11-19 14:56:09,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.142857142857143) internal successors, (250), 35 states have internal predecessors, (250), 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) [2021-11-19 14:56:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4414 transitions. [2021-11-19 14:56:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-19 14:56:09,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:56:09,820 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 12, 12, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:56:09,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:56:10,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:56:10,035 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:56:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:56:10,035 INFO L85 PathProgramCache]: Analyzing trace with hash 524449175, now seen corresponding path program 3 times [2021-11-19 14:56:10,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:56:10,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017138272] [2021-11-19 14:56:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:56:10,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:56:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 0 proven. 1795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:10,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:56:10,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017138272] [2021-11-19 14:56:10,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017138272] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:56:10,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470443513] [2021-11-19 14:56:10,575 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 14:56:10,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:56:10,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:56:10,576 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:56:10,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 14:56:10,887 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 14:56:10,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:56:10,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-19 14:56:10,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:56:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 0 proven. 1795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:11,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:56:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1795 backedges. 0 proven. 1795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:12,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470443513] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:56:12,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2094991202] [2021-11-19 14:56:12,884 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) [2021-11-19 14:56:12,885 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:56:12,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2021-11-19 14:56:12,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781723751] [2021-11-19 14:56:12,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:56:12,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-19 14:56:12,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:56:12,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-19 14:56:12,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2021-11-19 14:56:12,892 INFO L87 Difference]: Start difference. First operand 2329 states and 4414 transitions. Second operand has 49 states, 49 states have (on average 8.285714285714286) internal successors, (406), 49 states have internal predecessors, (406), 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) [2021-11-19 14:56:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:56:13,883 INFO L93 Difference]: Finished difference Result 4315 states and 7748 transitions. [2021-11-19 14:56:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-19 14:56:13,884 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 8.285714285714286) internal successors, (406), 49 states have internal predecessors, (406), 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 207 [2021-11-19 14:56:13,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:56:13,909 INFO L225 Difference]: With dead ends: 4315 [2021-11-19 14:56:13,909 INFO L226 Difference]: Without dead ends: 4315 [2021-11-19 14:56:13,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2021-11-19 14:56:13,912 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 1382 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:56:13,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1382 Valid, 65 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 14:56:13,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2021-11-19 14:56:14,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 3234. [2021-11-19 14:56:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 3233 states have (on average 1.8202907516238787) internal successors, (5885), 3233 states have internal predecessors, (5885), 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) [2021-11-19 14:56:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 5885 transitions. [2021-11-19 14:56:14,049 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 5885 transitions. Word has length 207 [2021-11-19 14:56:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:56:14,049 INFO L470 AbstractCegarLoop]: Abstraction has 3234 states and 5885 transitions. [2021-11-19 14:56:14,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 8.285714285714286) internal successors, (406), 49 states have internal predecessors, (406), 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) [2021-11-19 14:56:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 5885 transitions. [2021-11-19 14:56:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-11-19 14:56:14,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:56:14,068 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 24, 24, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:56:14,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:56:14,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 14:56:14,295 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:56:14,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:56:14,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1533416719, now seen corresponding path program 4 times [2021-11-19 14:56:14,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:56:14,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730698105] [2021-11-19 14:56:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:56:14,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:56:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8029 backedges. 0 proven. 8029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:16,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:56:16,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730698105] [2021-11-19 14:56:16,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730698105] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:56:16,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384518940] [2021-11-19 14:56:16,063 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-19 14:56:16,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:56:16,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:56:16,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:56:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 14:56:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:16,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-19 14:56:16,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:56:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8029 backedges. 0 proven. 8029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:17,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:56:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8029 backedges. 0 proven. 8029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:21,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384518940] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:56:21,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1758781927] [2021-11-19 14:56:21,057 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) [2021-11-19 14:56:21,058 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:56:21,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2021-11-19 14:56:21,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015526944] [2021-11-19 14:56:21,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:56:21,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2021-11-19 14:56:21,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:56:21,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-11-19 14:56:21,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2021-11-19 14:56:21,068 INFO L87 Difference]: Start difference. First operand 3234 states and 5885 transitions. Second operand has 97 states, 97 states have (on average 8.391752577319588) internal successors, (814), 97 states have internal predecessors, (814), 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) [2021-11-19 14:56:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:56:24,338 INFO L93 Difference]: Finished difference Result 6498 states and 11789 transitions. [2021-11-19 14:56:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-11-19 14:56:24,339 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 8.391752577319588) internal successors, (814), 97 states have internal predecessors, (814), 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 411 [2021-11-19 14:56:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:56:24,377 INFO L225 Difference]: With dead ends: 6498 [2021-11-19 14:56:24,377 INFO L226 Difference]: Without dead ends: 6498 [2021-11-19 14:56:24,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2021-11-19 14:56:24,381 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 2926 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:56:24,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2926 Valid, 124 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 14:56:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2021-11-19 14:56:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 6498. [2021-11-19 14:56:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6498 states, 6497 states have (on average 1.8145297829767586) internal successors, (11789), 6497 states have internal predecessors, (11789), 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) [2021-11-19 14:56:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6498 states to 6498 states and 11789 transitions. [2021-11-19 14:56:24,546 INFO L78 Accepts]: Start accepts. Automaton has 6498 states and 11789 transitions. Word has length 411 [2021-11-19 14:56:24,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:56:24,547 INFO L470 AbstractCegarLoop]: Abstraction has 6498 states and 11789 transitions. [2021-11-19 14:56:24,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 8.391752577319588) internal successors, (814), 97 states have internal predecessors, (814), 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) [2021-11-19 14:56:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 6498 states and 11789 transitions. [2021-11-19 14:56:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2021-11-19 14:56:24,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:56:24,613 INFO L514 BasicCegarLoop]: trace histogram [94, 94, 94, 94, 94, 94, 48, 48, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:56:24,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:56:24,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-19 14:56:24,827 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:56:24,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:56:24,828 INFO L85 PathProgramCache]: Analyzing trace with hash -23728783, now seen corresponding path program 5 times [2021-11-19 14:56:24,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:56:24,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165179301] [2021-11-19 14:56:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:56:24,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:56:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 33889 backedges. 0 proven. 33889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:56:29,149 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:56:29,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165179301] [2021-11-19 14:56:29,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165179301] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:56:29,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660541348] [2021-11-19 14:56:29,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:56:29,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:56:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:56:29,155 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:56:29,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13cafa25-11ae-4d6d-9953-1e88155fc588/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 14:56:30,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-19 14:56:30,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:56:30,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-19 14:56:30,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:56:30,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-19 14:56:32,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:56:32,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:56:32,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 14:56:32,554 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 14:56:32,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-11-19 14:56:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:32,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:56:32,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-19 14:56:32,834 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-11-19 14:56:32,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-19 14:56:32,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 14:56:32,966 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-19 14:56:32,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-11-19 14:56:33,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:56:33,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-19 14:56:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 33889 backedges. 1560 proven. 558 refuted. 0 times theorem prover too weak. 31771 trivial. 0 not checked. [2021-11-19 14:56:33,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:57:55,031 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (not (= (let ((.cse1 (+ 3204 |c_~#queue~0.offset|))) (select (let ((.cse0 (select (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse4 (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 3204))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 |c_~#stored_elements~0.base| (store (select .cse2 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|))) |c_~#queue~0.base|))) (store .cse0 (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)) .cse1)) 800))) is different from false [2021-11-19 14:59:05,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 15:00:12,616 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~post38#1_449| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_176| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse0 (select |c_#memory_int| |c_~#queue~0.base|))) (let ((.cse4 (store (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) (+ 3208 |c_~#queue~0.offset|) (+ |v_t1Thread1of1ForFork1_enqueue_#t~post38#1_449| 1))) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (let ((.cse5 (select .cse4 .cse1))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311|) (not (= (select (let ((.cse2 (select (let ((.cse3 (store |c_#memory_int| |c_~#queue~0.base| (store .cse4 .cse1 (+ .cse5 1))))) (store .cse3 |c_~#stored_elements~0.base| (store (select .cse3 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|))) |c_~#queue~0.base|))) (store .cse2 (+ |c_~#queue~0.offset| (* (select .cse2 .cse1) 4)) |v_t1Thread1of1ForFork1_enqueue_~x#1_176|)) .cse1) 800)) (= .cse5 800)))))) is different from false [2021-11-19 15:00:12,700 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 15:00:12,700 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 15:00:14,833 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|t1Thread1of1ForFork1_~i~0#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~post38#1_449| Int) (|v_t1Thread1of1ForFork1_~i~0#1_292| Int) (|v_t1Thread1of1ForFork1_~value~0#1_190| Int) (|~#stored_elements~0.offset| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_176| Int) (|t1Thread1of1ForFork1_~value~0#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |t1Thread1of1ForFork1_~i~0#1| 4)) |t1Thread1of1ForFork1_~value~0#1|)))) (let ((.cse0 (select .cse4 |c_~#queue~0.base|))) (let ((.cse5 (store (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) (+ 3208 |c_~#queue~0.offset|) (+ |v_t1Thread1of1ForFork1_enqueue_#t~post38#1_449| 1))) (.cse1 (+ 3204 |c_~#queue~0.offset|))) (let ((.cse6 (select .cse5 .cse1))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_311|) (not (= 800 (select (let ((.cse2 (select (let ((.cse3 (store .cse4 |c_~#queue~0.base| (store .cse5 .cse1 (+ .cse6 1))))) (store .cse3 |c_~#stored_elements~0.base| (store (select .cse3 |c_~#stored_elements~0.base|) (+ |~#stored_elements~0.offset| (* |v_t1Thread1of1ForFork1_~i~0#1_292| 4)) |v_t1Thread1of1ForFork1_~value~0#1_190|))) |c_~#queue~0.base|))) (store .cse2 (+ (* (select .cse2 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_enqueue_~x#1_176|)) .cse1))) (= .cse6 800))))))) is different from false [2021-11-19 15:00:15,577 INFO L354 Elim1Store]: treesize reduction 842, result has 28.7 percent of original size [2021-11-19 15:00:15,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 868 treesize of output 544 [2021-11-19 15:00:15,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:00:15,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 552 treesize of output 560 [2021-11-19 15:00:15,691 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:00:15,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 560 treesize of output 568 [2021-11-19 15:00:15,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-19 15:00:16,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-19 15:02:06,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-19 15:02:13,560 INFO L354 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2021-11-19 15:02:13,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29320 treesize of output 28473