./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V --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 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:28:19,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:28:19,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:28:19,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:28:19,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:28:19,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:28:19,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:28:19,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:28:19,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:28:19,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:28:19,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:28:19,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:28:19,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:28:19,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:28:19,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:28:19,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:28:19,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:28:19,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:28:19,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:28:19,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:28:19,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:28:19,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:28:19,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:28:19,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:28:19,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:28:19,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:28:19,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:28:19,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:28:19,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:28:19,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:28:19,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:28:19,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:28:19,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:28:19,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:28:19,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:28:19,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:28:19,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:28:19,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:28:19,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:28:19,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:28:19,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:28:19,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:28:19,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:28:19,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:28:19,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:28:19,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:28:19,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:28:19,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:28:19,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:28:19,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:28:19,545 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:28:19,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:28:19,547 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:28:19,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:28:19,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:28:19,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:28:19,548 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:28:19,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:28:19,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:28:19,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:28:19,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:28:19,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:28:19,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:28:19,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:28:19,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:28:19,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:28:19,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:28:19,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:28:19,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:28:19,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:28:19,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:28:19,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:28:19,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:28:19,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:28:19,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:19,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:28:19,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:28:19,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:28:19,557 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:28:19,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:28:19,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:28:19,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:28:19,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:28:19,559 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_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 [2021-11-23 02:28:19,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:28:19,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:28:19,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:28:19,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:28:19,936 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:28:19,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 02:28:20,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/data/8e2ba17fd/f99eecdda8c9476ba12f6eeb094019ca/FLAGdd0de8690 [2021-11-23 02:28:20,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:28:20,734 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 02:28:20,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/data/8e2ba17fd/f99eecdda8c9476ba12f6eeb094019ca/FLAGdd0de8690 [2021-11-23 02:28:21,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/data/8e2ba17fd/f99eecdda8c9476ba12f6eeb094019ca [2021-11-23 02:28:21,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:28:21,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:28:21,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:21,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:28:21,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:28:21,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17871726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21, skipping insertion in model container [2021-11-23 02:28:21,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:28:21,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:21,382 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_3e6d279f-0fff-4092-8a0b-91bc453c2646/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 02:28:21,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:21,608 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:21,621 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_3e6d279f-0fff-4092-8a0b-91bc453c2646/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 02:28:21,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:21,728 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:21,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21 WrapperNode [2021-11-23 02:28:21,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:21,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:21,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:21,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:21,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,788 INFO L137 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 212 [2021-11-23 02:28:21,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:21,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:21,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:21,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:21,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:21,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:21,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:21,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:21,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (1/1) ... [2021-11-23 02:28:21,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:21,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:21,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:21,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:28:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:28:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 02:28:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:28:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:28:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 02:28:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 02:28:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 02:28:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 02:28:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 02:28:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 02:28:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:28:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 02:28:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:21,932 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 02:28:22,162 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:22,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:22,995 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:23,606 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:23,607 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:28:23,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:23 BoogieIcfgContainer [2021-11-23 02:28:23,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:23,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:23,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:23,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:23,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:21" (1/3) ... [2021-11-23 02:28:23,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73744ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:23, skipping insertion in model container [2021-11-23 02:28:23,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:21" (2/3) ... [2021-11-23 02:28:23,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73744ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:23, skipping insertion in model container [2021-11-23 02:28:23,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:23" (3/3) ... [2021-11-23 02:28:23,621 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_power.opt.i [2021-11-23 02:28:23,628 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:28:23,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:23,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 02:28:23,631 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:28:23,697 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,697 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,698 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,698 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,698 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,699 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,699 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,699 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,700 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,700 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,701 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,701 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,701 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,701 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,702 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,702 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,702 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,703 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,703 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,703 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,703 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,707 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,707 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,708 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,708 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,709 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,709 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,710 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,710 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,712 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,712 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,712 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,712 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,712 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,713 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,713 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,713 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,713 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,714 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,714 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,714 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,714 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,714 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,715 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,715 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,716 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,716 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,719 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,719 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,720 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,721 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,721 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,722 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,722 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,723 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,723 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,743 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,753 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,754 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,754 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,761 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,761 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,761 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,762 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,764 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,764 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,764 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,765 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,766 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,766 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,766 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,766 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,766 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,772 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,772 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,772 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,783 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,784 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,785 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,785 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,785 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,786 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,787 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,787 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,787 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,788 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,789 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,789 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,789 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,790 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,790 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,790 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,795 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,796 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,796 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,796 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,796 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,796 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,797 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,797 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,797 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,797 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,797 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,802 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,802 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,802 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,802 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,802 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,803 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,803 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,803 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,803 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,803 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,804 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,804 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,804 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,804 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,804 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,805 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,805 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,805 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,805 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,805 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,806 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,806 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,806 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,806 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,806 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,807 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,807 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,807 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,807 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,807 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,808 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,808 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,808 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,808 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,809 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,809 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,809 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,809 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,809 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,810 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,812 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:28:23,814 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:28:23,870 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:23,877 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:28:23,877 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 02:28:23,893 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:28:23,907 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 134 transitions, 283 flow [2021-11-23 02:28:23,910 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 134 transitions, 283 flow [2021-11-23 02:28:23,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 134 transitions, 283 flow [2021-11-23 02:28:24,008 INFO L129 PetriNetUnfolder]: 2/131 cut-off events. [2021-11-23 02:28:24,009 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:28:24,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 131 events. 2/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-23 02:28:24,022 INFO L116 LiptonReduction]: Number of co-enabled transitions 2096 [2021-11-23 02:29:04,196 INFO L131 LiptonReduction]: Checked pairs total: 6333 [2021-11-23 02:29:04,196 INFO L133 LiptonReduction]: Total number of compositions: 119 [2021-11-23 02:29:04,220 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2021-11-23 02:29:04,320 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 899 states, 896 states have (on average 3.3504464285714284) internal successors, (3002), 898 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 899 states, 896 states have (on average 3.3504464285714284) internal successors, (3002), 898 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:29:04,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:04,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:29:04,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash 47196228, now seen corresponding path program 1 times [2021-11-23 02:29:04,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:04,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985042162] [2021-11-23 02:29:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:04,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:04,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:04,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985042162] [2021-11-23 02:29:04,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985042162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:04,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:04,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:29:04,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609731583] [2021-11-23 02:29:04,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:04,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:04,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:04,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:04,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:04,769 INFO L87 Difference]: Start difference. First operand has 899 states, 896 states have (on average 3.3504464285714284) internal successors, (3002), 898 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:04,953 INFO L93 Difference]: Finished difference Result 737 states and 2305 transitions. [2021-11-23 02:29:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:04,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2021-11-23 02:29:04,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:05,002 INFO L225 Difference]: With dead ends: 737 [2021-11-23 02:29:05,002 INFO L226 Difference]: Without dead ends: 687 [2021-11-23 02:29:05,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:05,009 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:05,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 4 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:05,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-11-23 02:29:05,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2021-11-23 02:29:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 686 states have (on average 3.1341107871720117) internal successors, (2150), 686 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 2150 transitions. [2021-11-23 02:29:05,157 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 2150 transitions. Word has length 4 [2021-11-23 02:29:05,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:05,157 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 2150 transitions. [2021-11-23 02:29:05,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2021-11-23 02:29:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:29:05,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:05,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:05,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:29:05,161 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:05,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:05,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1098190214, now seen corresponding path program 1 times [2021-11-23 02:29:05,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:05,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705308551] [2021-11-23 02:29:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:05,311 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:05,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705308551] [2021-11-23 02:29:05,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705308551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:05,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:05,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:29:05,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568028786] [2021-11-23 02:29:05,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:05,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:29:05,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:29:05,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:05,314 INFO L87 Difference]: Start difference. First operand 687 states and 2150 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:05,517 INFO L93 Difference]: Finished difference Result 762 states and 2295 transitions. [2021-11-23 02:29:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:05,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-23 02:29:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:05,536 INFO L225 Difference]: With dead ends: 762 [2021-11-23 02:29:05,536 INFO L226 Difference]: Without dead ends: 637 [2021-11-23 02:29:05,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:05,537 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 28 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:05,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 10 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:29:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-11-23 02:29:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2021-11-23 02:29:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 636 states have (on average 3.09748427672956) internal successors, (1970), 636 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1970 transitions. [2021-11-23 02:29:05,591 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1970 transitions. Word has length 10 [2021-11-23 02:29:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:05,596 INFO L470 AbstractCegarLoop]: Abstraction has 637 states and 1970 transitions. [2021-11-23 02:29:05,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1970 transitions. [2021-11-23 02:29:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:29:05,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:05,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:05,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:29:05,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash -237102022, now seen corresponding path program 1 times [2021-11-23 02:29:05,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:05,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963962423] [2021-11-23 02:29:05,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:05,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:05,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:05,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963962423] [2021-11-23 02:29:05,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963962423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:05,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:05,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:29:05,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999871182] [2021-11-23 02:29:05,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:05,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:29:05,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:05,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:29:05,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:05,908 INFO L87 Difference]: Start difference. First operand 637 states and 1970 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:06,091 INFO L93 Difference]: Finished difference Result 727 states and 2172 transitions. [2021-11-23 02:29:06,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:06,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 02:29:06,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:06,099 INFO L225 Difference]: With dead ends: 727 [2021-11-23 02:29:06,099 INFO L226 Difference]: Without dead ends: 627 [2021-11-23 02:29:06,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:06,104 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:06,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 3 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:29:06,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-11-23 02:29:06,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2021-11-23 02:29:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 3.086261980830671) internal successors, (1932), 626 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 1932 transitions. [2021-11-23 02:29:06,143 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 1932 transitions. Word has length 11 [2021-11-23 02:29:06,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:06,144 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 1932 transitions. [2021-11-23 02:29:06,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1932 transitions. [2021-11-23 02:29:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:29:06,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:06,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:06,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:29:06,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:06,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1270849325, now seen corresponding path program 1 times [2021-11-23 02:29:06,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:06,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741885389] [2021-11-23 02:29:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:06,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:06,364 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:06,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741885389] [2021-11-23 02:29:06,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741885389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:06,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:06,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:29:06,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795711711] [2021-11-23 02:29:06,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:06,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:29:06,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:06,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:29:06,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:06,366 INFO L87 Difference]: Start difference. First operand 627 states and 1932 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:06,519 INFO L93 Difference]: Finished difference Result 646 states and 1923 transitions. [2021-11-23 02:29:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:29:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:06,525 INFO L225 Difference]: With dead ends: 646 [2021-11-23 02:29:06,525 INFO L226 Difference]: Without dead ends: 551 [2021-11-23 02:29:06,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:06,527 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 26 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:06,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 8 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:06,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-11-23 02:29:06,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2021-11-23 02:29:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 550 states have (on average 3.0254545454545454) internal successors, (1664), 550 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 1664 transitions. [2021-11-23 02:29:06,557 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 1664 transitions. Word has length 12 [2021-11-23 02:29:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:06,558 INFO L470 AbstractCegarLoop]: Abstraction has 551 states and 1664 transitions. [2021-11-23 02:29:06,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1664 transitions. [2021-11-23 02:29:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:29:06,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:06,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:06,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:29:06,562 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:06,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 845487583, now seen corresponding path program 1 times [2021-11-23 02:29:06,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:06,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432509247] [2021-11-23 02:29:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:06,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:06,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:06,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432509247] [2021-11-23 02:29:06,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432509247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:06,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:06,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:29:06,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282203261] [2021-11-23 02:29:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:06,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:29:06,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:29:06,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:06,788 INFO L87 Difference]: Start difference. First operand 551 states and 1664 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:07,090 INFO L93 Difference]: Finished difference Result 1199 states and 3542 transitions. [2021-11-23 02:29:07,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:29:07,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:29:07,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:07,098 INFO L225 Difference]: With dead ends: 1199 [2021-11-23 02:29:07,098 INFO L226 Difference]: Without dead ends: 731 [2021-11-23 02:29:07,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:29:07,100 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 44 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:07,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 11 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:29:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-11-23 02:29:07,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 551. [2021-11-23 02:29:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 550 states have (on average 2.938181818181818) internal successors, (1616), 550 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 1616 transitions. [2021-11-23 02:29:07,127 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 1616 transitions. Word has length 14 [2021-11-23 02:29:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:07,127 INFO L470 AbstractCegarLoop]: Abstraction has 551 states and 1616 transitions. [2021-11-23 02:29:07,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1616 transitions. [2021-11-23 02:29:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:29:07,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:07,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:07,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:29:07,130 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:07,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:07,130 INFO L85 PathProgramCache]: Analyzing trace with hash 923558541, now seen corresponding path program 1 times [2021-11-23 02:29:07,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:07,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556385543] [2021-11-23 02:29:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:07,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:07,232 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:07,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556385543] [2021-11-23 02:29:07,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556385543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:07,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:07,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:07,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470573591] [2021-11-23 02:29:07,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:07,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:29:07,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:07,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:29:07,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:07,234 INFO L87 Difference]: Start difference. First operand 551 states and 1616 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:07,398 INFO L93 Difference]: Finished difference Result 794 states and 2255 transitions. [2021-11-23 02:29:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:07,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:29:07,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:07,405 INFO L225 Difference]: With dead ends: 794 [2021-11-23 02:29:07,405 INFO L226 Difference]: Without dead ends: 437 [2021-11-23 02:29:07,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:07,406 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 24 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:07,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 4 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-11-23 02:29:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 365. [2021-11-23 02:29:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 2.8131868131868134) internal successors, (1024), 364 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 1024 transitions. [2021-11-23 02:29:07,425 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 1024 transitions. Word has length 14 [2021-11-23 02:29:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:07,425 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 1024 transitions. [2021-11-23 02:29:07,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1024 transitions. [2021-11-23 02:29:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:29:07,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:07,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:07,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:29:07,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:07,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:07,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1890666821, now seen corresponding path program 2 times [2021-11-23 02:29:07,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:07,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984121374] [2021-11-23 02:29:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:07,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:07,556 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:07,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984121374] [2021-11-23 02:29:07,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984121374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:07,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:07,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:07,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286530847] [2021-11-23 02:29:07,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:07,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:29:07,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:29:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:07,558 INFO L87 Difference]: Start difference. First operand 365 states and 1024 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:07,720 INFO L93 Difference]: Finished difference Result 524 states and 1472 transitions. [2021-11-23 02:29:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:29:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:07,727 INFO L225 Difference]: With dead ends: 524 [2021-11-23 02:29:07,727 INFO L226 Difference]: Without dead ends: 251 [2021-11-23 02:29:07,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:29:07,729 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 35 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:07,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 3 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-11-23 02:29:07,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-11-23 02:29:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 2.76) internal successors, (690), 250 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 690 transitions. [2021-11-23 02:29:07,741 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 690 transitions. Word has length 14 [2021-11-23 02:29:07,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:07,741 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 690 transitions. [2021-11-23 02:29:07,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 690 transitions. [2021-11-23 02:29:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:29:07,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:07,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:07,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:29:07,743 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1434492130, now seen corresponding path program 1 times [2021-11-23 02:29:07,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321901922] [2021-11-23 02:29:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:07,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:08,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:08,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321901922] [2021-11-23 02:29:08,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321901922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:08,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:08,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:29:08,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14613223] [2021-11-23 02:29:08,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:08,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:29:08,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:08,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:29:08,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:29:08,286 INFO L87 Difference]: Start difference. First operand 251 states and 690 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:08,652 INFO L93 Difference]: Finished difference Result 299 states and 803 transitions. [2021-11-23 02:29:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:29:08,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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 15 [2021-11-23 02:29:08,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:08,654 INFO L225 Difference]: With dead ends: 299 [2021-11-23 02:29:08,655 INFO L226 Difference]: Without dead ends: 255 [2021-11-23 02:29:08,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-23 02:29:08,656 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 49 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:08,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 4 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:29:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-23 02:29:08,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-23 02:29:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 2.7244094488188977) internal successors, (692), 254 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 692 transitions. [2021-11-23 02:29:08,667 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 692 transitions. Word has length 15 [2021-11-23 02:29:08,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:08,668 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 692 transitions. [2021-11-23 02:29:08,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 692 transitions. [2021-11-23 02:29:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:29:08,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:08,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:08,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:29:08,670 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:08,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash 134372589, now seen corresponding path program 1 times [2021-11-23 02:29:08,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:08,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484592978] [2021-11-23 02:29:08,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:08,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:09,194 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484592978] [2021-11-23 02:29:09,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484592978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:09,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:09,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:29:09,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180260619] [2021-11-23 02:29:09,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:09,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:29:09,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:09,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:29:09,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:29:09,197 INFO L87 Difference]: Start difference. First operand 255 states and 692 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:09,550 INFO L93 Difference]: Finished difference Result 269 states and 713 transitions. [2021-11-23 02:29:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:29:09,564 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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 17 [2021-11-23 02:29:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:09,567 INFO L225 Difference]: With dead ends: 269 [2021-11-23 02:29:09,567 INFO L226 Difference]: Without dead ends: 251 [2021-11-23 02:29:09,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:29:09,568 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 30 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:09,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 10 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:29:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-11-23 02:29:09,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2021-11-23 02:29:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 244 states have (on average 2.7008196721311477) internal successors, (659), 244 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 659 transitions. [2021-11-23 02:29:09,579 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 659 transitions. Word has length 17 [2021-11-23 02:29:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:09,579 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 659 transitions. [2021-11-23 02:29:09,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 659 transitions. [2021-11-23 02:29:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:29:09,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:09,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:09,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:29:09,582 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash 134359135, now seen corresponding path program 1 times [2021-11-23 02:29:09,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:09,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109629699] [2021-11-23 02:29:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:09,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:09,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:09,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109629699] [2021-11-23 02:29:09,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109629699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:09,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:09,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:29:09,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212852844] [2021-11-23 02:29:09,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:09,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:09,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:09,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:09,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:09,704 INFO L87 Difference]: Start difference. First operand 245 states and 659 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:09,768 INFO L93 Difference]: Finished difference Result 181 states and 423 transitions. [2021-11-23 02:29:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:09,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2021-11-23 02:29:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:09,770 INFO L225 Difference]: With dead ends: 181 [2021-11-23 02:29:09,770 INFO L226 Difference]: Without dead ends: 181 [2021-11-23 02:29:09,771 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 [2021-11-23 02:29:09,772 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:09,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 3 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-23 02:29:09,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2021-11-23 02:29:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 2.35) internal successors, (423), 180 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 423 transitions. [2021-11-23 02:29:09,781 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 423 transitions. Word has length 17 [2021-11-23 02:29:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:09,781 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 423 transitions. [2021-11-23 02:29:09,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 423 transitions. [2021-11-23 02:29:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:29:09,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:09,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:09,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:29:09,783 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 687533301, now seen corresponding path program 1 times [2021-11-23 02:29:09,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:09,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795127968] [2021-11-23 02:29:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:09,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:09,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795127968] [2021-11-23 02:29:09,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795127968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:09,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:09,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:09,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199485452] [2021-11-23 02:29:09,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:09,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:29:09,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:09,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:29:09,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:09,973 INFO L87 Difference]: Start difference. First operand 181 states and 423 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:10,064 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2021-11-23 02:29:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:29:10,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-23 02:29:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:10,066 INFO L225 Difference]: With dead ends: 109 [2021-11-23 02:29:10,066 INFO L226 Difference]: Without dead ends: 109 [2021-11-23 02:29:10,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:29:10,067 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:10,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 3 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-23 02:29:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2021-11-23 02:29:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.9433962264150944) internal successors, (206), 106 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 206 transitions. [2021-11-23 02:29:10,071 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 206 transitions. Word has length 18 [2021-11-23 02:29:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:10,072 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 206 transitions. [2021-11-23 02:29:10,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 206 transitions. [2021-11-23 02:29:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:29:10,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:10,076 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] [2021-11-23 02:29:10,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:29:10,077 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:10,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash 896927031, now seen corresponding path program 1 times [2021-11-23 02:29:10,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:10,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146724652] [2021-11-23 02:29:10,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:10,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:10,665 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:10,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146724652] [2021-11-23 02:29:10,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146724652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:10,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:10,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:29:10,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394548153] [2021-11-23 02:29:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:10,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:29:10,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:10,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:29:10,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:29:10,667 INFO L87 Difference]: Start difference. First operand 107 states and 206 transitions. Second operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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) [2021-11-23 02:29:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:10,890 INFO L93 Difference]: Finished difference Result 118 states and 226 transitions. [2021-11-23 02:29:10,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:29:10,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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 [2021-11-23 02:29:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:10,891 INFO L225 Difference]: With dead ends: 118 [2021-11-23 02:29:10,891 INFO L226 Difference]: Without dead ends: 115 [2021-11-23 02:29:10,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-23 02:29:10,892 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 31 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:10,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 6 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:29:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-23 02:29:10,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2021-11-23 02:29:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.9537037037037037) internal successors, (211), 108 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 211 transitions. [2021-11-23 02:29:10,898 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 211 transitions. Word has length 20 [2021-11-23 02:29:10,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:10,899 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 211 transitions. [2021-11-23 02:29:10,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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) [2021-11-23 02:29:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2021-11-23 02:29:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:29:10,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:10,900 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] [2021-11-23 02:29:10,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:29:10,901 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash 499813001, now seen corresponding path program 1 times [2021-11-23 02:29:10,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:10,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379468236] [2021-11-23 02:29:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:10,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:11,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:11,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379468236] [2021-11-23 02:29:11,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379468236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:11,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:11,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:29:11,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924173020] [2021-11-23 02:29:11,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:11,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:29:11,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:29:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:11,069 INFO L87 Difference]: Start difference. First operand 109 states and 211 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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) [2021-11-23 02:29:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:11,161 INFO L93 Difference]: Finished difference Result 79 states and 151 transitions. [2021-11-23 02:29:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:29:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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 [2021-11-23 02:29:11,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:11,162 INFO L225 Difference]: With dead ends: 79 [2021-11-23 02:29:11,162 INFO L226 Difference]: Without dead ends: 79 [2021-11-23 02:29:11,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:11,163 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 36 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:11,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 3 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:29:11,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-23 02:29:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2021-11-23 02:29:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.9166666666666667) internal successors, (138), 72 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:29:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 138 transitions. [2021-11-23 02:29:11,167 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 138 transitions. Word has length 20 [2021-11-23 02:29:11,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:11,168 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 138 transitions. [2021-11-23 02:29:11,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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) [2021-11-23 02:29:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-23 02:29:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 02:29:11,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:11,169 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] [2021-11-23 02:29:11,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:29:11,169 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 02:29:11,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1502454130, now seen corresponding path program 1 times [2021-11-23 02:29:11,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:11,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322443096] [2021-11-23 02:29:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:11,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:29:11,272 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:29:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:29:11,440 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:29:11,440 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:29:11,441 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-23 02:29:11,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-23 02:29:11,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-23 02:29:11,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-23 02:29:11,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-23 02:29:11,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-23 02:29:11,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 02:29:11,448 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:11,453 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:29:11,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:29:11,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:29:11 BasicIcfg [2021-11-23 02:29:11,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:29:11,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:29:11,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:29:11,574 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:29:11,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:23" (3/4) ... [2021-11-23 02:29:11,577 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 02:29:11,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:29:11,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:29:11,705 INFO L158 Benchmark]: Toolchain (without parser) took 50684.36ms. Allocated memory was 119.5MB in the beginning and 234.9MB in the end (delta: 115.3MB). Free memory was 87.5MB in the beginning and 68.6MB in the end (delta: 18.9MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,705 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:29:11,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.24ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 78.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.46ms. Allocated memory is still 119.5MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,706 INFO L158 Benchmark]: Boogie Preprocessor took 45.53ms. Allocated memory is still 119.5MB. Free memory was 75.4MB in the beginning and 72.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,707 INFO L158 Benchmark]: RCFGBuilder took 1774.22ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 72.9MB in the beginning and 88.0MB in the end (delta: -15.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,707 INFO L158 Benchmark]: TraceAbstraction took 47961.77ms. Allocated memory was 169.9MB in the beginning and 234.9MB in the end (delta: 65.0MB). Free memory was 86.9MB in the beginning and 93.8MB in the end (delta: -6.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,707 INFO L158 Benchmark]: Witness Printer took 130.27ms. Allocated memory is still 234.9MB. Free memory was 93.8MB in the beginning and 68.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 02:29:11,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.24ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 78.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.46ms. Allocated memory is still 119.5MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.53ms. Allocated memory is still 119.5MB. Free memory was 75.4MB in the beginning and 72.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1774.22ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 72.9MB in the beginning and 88.0MB in the end (delta: -15.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47961.77ms. Allocated memory was 169.9MB in the beginning and 234.9MB in the end (delta: 65.0MB). Free memory was 86.9MB in the beginning and 93.8MB in the end (delta: -6.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Witness Printer took 130.27ms. Allocated memory is still 234.9MB. Free memory was 93.8MB in the beginning and 68.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.3s, 142 PlacesBefore, 37 PlacesAfterwards, 134 TransitionsBefore, 28 TransitionsAfterwards, 2096 CoEnabledTransitionPairs, 8 FixpointIterations, 60 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 TotalNumberOfCompositions, 6333 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2255, positive: 2018, positive conditional: 0, positive unconditional: 2018, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1326, positive: 1263, positive conditional: 0, positive unconditional: 1263, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1326, positive: 1246, positive conditional: 0, positive unconditional: 1246, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20829, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 2477, negative conditional: 0, negative unconditional: 2477, unknown: 18330, unknown conditional: 0, unknown unconditional: 18330] ], Cache Queries: [ total: 2255, positive: 755, positive conditional: 0, positive unconditional: 755, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 1326, unknown conditional: 0, unknown unconditional: 1326] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L712] 0 _Bool __unbuffered_p1_EAX$flush_delayed; [L713] 0 int __unbuffered_p1_EAX$mem_tmp; [L714] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; [L715] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; [L716] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; [L717] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd3; [L718] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; [L719] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; [L720] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; [L721] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd3; [L722] 0 _Bool __unbuffered_p1_EAX$read_delayed; [L723] 0 int *__unbuffered_p1_EAX$read_delayed_var; [L724] 0 int __unbuffered_p1_EAX$w_buff0; [L725] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; [L726] 0 int __unbuffered_p1_EAX$w_buff1; [L727] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; [L729] 0 int __unbuffered_p2_EAX = 0; [L731] 0 int __unbuffered_p2_EBX = 0; [L732] 0 _Bool main$tmp_guard0; [L733] 0 _Bool main$tmp_guard1; [L735] 0 int x = 0; [L736] 0 _Bool x$flush_delayed; [L737] 0 int x$mem_tmp; [L738] 0 _Bool x$r_buff0_thd0; [L739] 0 _Bool x$r_buff0_thd1; [L740] 0 _Bool x$r_buff0_thd2; [L741] 0 _Bool x$r_buff0_thd3; [L742] 0 _Bool x$r_buff1_thd0; [L743] 0 _Bool x$r_buff1_thd1; [L744] 0 _Bool x$r_buff1_thd2; [L745] 0 _Bool x$r_buff1_thd3; [L746] 0 _Bool x$read_delayed; [L747] 0 int *x$read_delayed_var; [L748] 0 int x$w_buff0; [L749] 0 _Bool x$w_buff0_used; [L750] 0 int x$w_buff1; [L751] 0 _Bool x$w_buff1_used; [L753] 0 int y = 0; [L754] 0 _Bool weak$$choice0; [L755] 0 _Bool weak$$choice1; [L756] 0 _Bool weak$$choice2; [L853] 0 pthread_t t1852; [L854] FCALL, FORK 0 pthread_create(&t1852, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1852, ((void *)0), P0, ((void *)0))=-3, t1852={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L855] 0 pthread_t t1853; [L856] FCALL, FORK 0 pthread_create(&t1853, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1853, ((void *)0), P1, ((void *)0))=-2, t1852={7:0}, t1853={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L790] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L791] 2 x$flush_delayed = weak$$choice2 [L792] EXPR 2 \read(x) [L792] 2 x$mem_tmp = x [L793] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L794] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L794] EXPR 2 \read(x) [L794] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L794] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L795] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L795] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L796] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L796] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L797] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L797] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L798] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L798] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L799] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L799] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L800] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L800] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L801] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L802] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L803] EXPR 2 \read(x) [L803] 2 __unbuffered_p1_EAX = x [L804] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L804] 2 x = x$flush_delayed ? x$mem_tmp : x [L805] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L808] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L811] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L811] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L811] EXPR 2 \read(x) [L811] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L811] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L811] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L812] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L812] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L813] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L814] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L815] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L815] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L818] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 2 return 0; [L857] 0 pthread_t t1854; [L858] FCALL, FORK 0 pthread_create(&t1854, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1854, ((void *)0), P2, ((void *)0))=-1, t1852={7:0}, t1853={5:0}, t1854={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L825] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L828] 3 __unbuffered_p2_EBX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L831] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L831] EXPR 3 \read(x) [L831] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L831] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L832] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L832] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L833] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L833] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L834] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L834] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L835] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L835] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L760] 1 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L763] 1 x$w_buff1 = x$w_buff0 [L764] 1 x$w_buff0 = 1 [L765] 1 x$w_buff1_used = x$w_buff0_used [L766] 1 x$w_buff0_used = (_Bool)1 [L767] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L767] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L768] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 1 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L775] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L776] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L776] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L777] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L778] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L779] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L779] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L782] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 1 return 0; [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 3 return 0; [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L862] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L862] RET 0 assume_abort_if_not(main$tmp_guard0) [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L864] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L864] EXPR 0 \read(x) [L864] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L864] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L865] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L865] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L866] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L866] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L867] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L867] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L868] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L868] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L871] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L872] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L872] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L872] EXPR 0 \read(*__unbuffered_p1_EAX$read_delayed_var) [L872] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L872] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L872] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L873] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L875] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 858]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 47.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 40.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1191 IncrementalHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 33 mSDtfsCounter, 1191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=899occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 272 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 2077 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-23 02:29:11,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6d279f-0fff-4092-8a0b-91bc453c2646/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE