./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/indexer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/indexer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH --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 f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:28:33,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:28:33,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:28:33,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:28:33,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:28:33,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:28:33,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:28:33,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:28:33,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:28:33,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:28:33,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:28:33,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:28:33,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:28:33,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:28:33,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:28:33,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:28:33,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:28:33,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:28:33,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:28:33,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:28:33,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:28:33,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:28:33,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:28:33,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:28:33,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:28:33,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:28:33,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:28:33,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:28:33,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:28:33,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:28:33,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:28:33,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:28:33,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:28:33,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:28:33,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:28:33,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:28:33,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:28:33,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:28:33,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:28:33,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:28:33,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:28:33,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:28:33,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:28:33,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:28:33,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:28:33,354 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:28:33,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:28:33,354 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:28:33,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:28:33,354 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:28:33,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:28:33,355 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:28:33,355 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:28:33,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:28:33,356 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:28:33,356 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:28:33,356 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:28:33,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:28:33,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:28:33,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:28:33,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:28:33,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:28:33,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:28:33,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:28:33,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:28:33,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:28:33,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:28:33,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:28:33,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:28:33,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:28:33,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:28:33,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:28:33,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:28:33,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:28:33,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:28:33,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:28:33,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:28:33,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:28:33,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:28:33,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:28:33,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:28:33,362 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_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c [2021-11-03 04:28:33,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:28:33,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:28:33,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:28:33,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:28:33,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:28:33,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/pthread/indexer.i [2021-11-03 04:28:33,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f54d39256/c7ab158255564ed0b5bb071e02f231ae/FLAG2c94bd768 [2021-11-03 04:28:34,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:28:34,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i [2021-11-03 04:28:34,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f54d39256/c7ab158255564ed0b5bb071e02f231ae/FLAG2c94bd768 [2021-11-03 04:28:34,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f54d39256/c7ab158255564ed0b5bb071e02f231ae [2021-11-03 04:28:34,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:28:34,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:28:34,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:34,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:28:34,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:28:34,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:34" (1/1) ... [2021-11-03 04:28:34,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a684af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:34, skipping insertion in model container [2021-11-03 04:28:34,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:34" (1/1) ... [2021-11-03 04:28:34,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:28:34,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:28:35,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i[47556,47569] [2021-11-03 04:28:35,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:35,190 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 04:28:35,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14295b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:35, skipping insertion in model container [2021-11-03 04:28:35,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:35,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:28:35,194 INFO L168 Benchmark]: Toolchain (without parser) took 643.76 ms. Allocated memory is still 98.6 MB. Free memory was 62.5 MB in the beginning and 66.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:28:35,195 INFO L168 Benchmark]: CDTParser took 9.01 ms. Allocated memory is still 98.6 MB. Free memory was 51.1 MB in the beginning and 70.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:28:35,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.10 ms. Allocated memory is still 98.6 MB. Free memory was 62.3 MB in the beginning and 66.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:28:35,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 9.01 ms. Allocated memory is still 98.6 MB. Free memory was 51.1 MB in the beginning and 70.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 641.10 ms. Allocated memory is still 98.6 MB. Free memory was 62.3 MB in the beginning and 66.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1018]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/indexer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH --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 f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:28:37,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:28:37,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:28:37,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:28:37,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:28:37,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:28:37,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:28:37,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:28:37,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:28:37,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:28:37,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:28:37,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:28:37,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:28:37,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:28:37,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:28:37,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:28:37,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:28:37,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:28:37,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:28:37,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:28:37,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:28:37,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:28:37,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:28:37,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:28:37,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:28:37,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:28:37,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:28:37,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:28:37,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:28:37,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:28:37,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:28:37,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:28:37,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:28:37,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:28:37,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:28:37,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:28:37,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:28:37,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:28:37,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:28:37,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:28:37,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:28:37,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:28:37,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:28:37,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:28:37,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:28:37,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:28:37,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:28:37,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:28:37,724 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:28:37,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:28:37,725 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:28:37,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:28:37,727 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:28:37,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:28:37,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:28:37,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:28:37,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:28:37,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:28:37,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:28:37,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:28:37,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:28:37,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:28:37,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:28:37,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:28:37,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:28:37,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:28:37,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:28:37,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:28:37,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:28:37,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:28:37,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:28:37,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:28:37,733 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:28:37,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:28:37,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:28:37,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:28:37,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:28:37,734 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c [2021-11-03 04:28:38,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:28:38,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:28:38,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:28:38,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:28:38,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:28:38,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/pthread/indexer.i [2021-11-03 04:28:38,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f85f94d0d/c3b375f453a6481ab267805d815201b5/FLAG1bbbb05c5 [2021-11-03 04:28:38,965 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:28:38,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i [2021-11-03 04:28:38,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f85f94d0d/c3b375f453a6481ab267805d815201b5/FLAG1bbbb05c5 [2021-11-03 04:28:39,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/data/f85f94d0d/c3b375f453a6481ab267805d815201b5 [2021-11-03 04:28:39,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:28:39,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:28:39,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:39,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:28:39,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:28:39,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:39" (1/1) ... [2021-11-03 04:28:39,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a5ad0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:39, skipping insertion in model container [2021-11-03 04:28:39,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:39" (1/1) ... [2021-11-03 04:28:39,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:28:39,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:28:39,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i[47556,47569] [2021-11-03 04:28:39,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:39,844 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:28:39,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:28:39,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i[47556,47569] [2021-11-03 04:28:39,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:39,970 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:28:40,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/sv-benchmarks/c/pthread/indexer.i[47556,47569] [2021-11-03 04:28:40,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:40,099 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:28:40,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40 WrapperNode [2021-11-03 04:28:40,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:40,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:28:40,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:28:40,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:28:40,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:28:40,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:28:40,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:28:40,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:28:40,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:28:40,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:28:40,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:28:40,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:28:40,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (1/1) ... [2021-11-03 04:28:40,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:28:40,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:28:40,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:28:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:28:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:28:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:28:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:28:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:28:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:28:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread_routine [2021-11-03 04:28:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_routine [2021-11-03 04:28:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-03 04:28:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:28:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:28:40,352 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-03 04:28:40,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:28:40,830 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-03 04:28:40,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:28:40 BoogieIcfgContainer [2021-11-03 04:28:40,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:28:40,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:28:40,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:28:40,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:28:40,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:28:39" (1/3) ... [2021-11-03 04:28:40,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43939f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:28:40, skipping insertion in model container [2021-11-03 04:28:40,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:40" (2/3) ... [2021-11-03 04:28:40,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43939f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:28:40, skipping insertion in model container [2021-11-03 04:28:40,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:28:40" (3/3) ... [2021-11-03 04:28:40,853 INFO L111 eAbstractionObserver]: Analyzing ICFG indexer.i [2021-11-03 04:28:40,860 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 04:28:40,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:28:40,860 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:28:40,861 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 04:28:40,921 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,921 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,922 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,922 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,922 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,923 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,924 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,924 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,925 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,925 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,926 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,926 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,926 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,928 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,928 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,928 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,929 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,929 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,929 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,933 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,933 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,934 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,935 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,935 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,935 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,936 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,936 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,937 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,937 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,938 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,938 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,938 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,938 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,938 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,939 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,939 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,939 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,939 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,941 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,941 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,942 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,942 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,942 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,942 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,943 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,943 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,943 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,944 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,944 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,945 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,945 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,945 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,945 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,946 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,946 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,946 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,946 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,946 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,947 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,947 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,947 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,948 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,952 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,952 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,953 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,953 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,960 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,960 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,961 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,961 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,961 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,962 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,962 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,962 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,962 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,963 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,963 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,964 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,964 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,967 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,967 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,968 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,968 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,968 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,969 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,969 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,969 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,969 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,975 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,976 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,976 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,976 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,976 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,976 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,977 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,977 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,977 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,978 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,979 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,979 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,979 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,979 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,979 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,980 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,980 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,980 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,980 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,980 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,981 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,981 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,981 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,981 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,981 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,982 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,983 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,983 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,983 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,983 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,984 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,985 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,985 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,985 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,985 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,986 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,987 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,987 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,987 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,987 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,987 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,988 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,988 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,989 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,989 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,989 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,989 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,989 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,990 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,990 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,990 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,990 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,991 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,991 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,992 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,992 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,992 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,992 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,993 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,994 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,995 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,995 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,995 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,995 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,995 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,996 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,996 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,996 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,996 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,996 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,997 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,997 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,997 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:40,997 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,004 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,004 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,004 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,004 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,005 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,005 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,005 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,005 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,005 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,006 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,006 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,006 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,006 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,007 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,007 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,007 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,007 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,007 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,008 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,008 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,008 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,008 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,008 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,009 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,009 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:28:41,019 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-03 04:28:41,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:28:41,086 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 [2021-11-03 04:28:41,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 04:28:41,106 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 04:28:41,116 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 113 transitions, 234 flow [2021-11-03 04:28:41,124 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 113 transitions, 234 flow [2021-11-03 04:28:41,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 113 transitions, 234 flow [2021-11-03 04:28:41,237 INFO L129 PetriNetUnfolder]: 18/136 cut-off events. [2021-11-03 04:28:41,237 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-03 04:28:41,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 136 events. 18/136 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 225 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 79. Up to 4 conditions per place. [2021-11-03 04:28:41,252 INFO L116 LiptonReduction]: Number of co-enabled transitions 2958 [2021-11-03 04:28:52,997 INFO L131 LiptonReduction]: Checked pairs total: 2893 [2021-11-03 04:28:52,997 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-11-03 04:28:53,014 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 25 transitions, 58 flow [2021-11-03 04:28:53,026 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 64 states, 60 states have (on average 2.5) internal successors, (150), 63 states have internal predecessors, (150), 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) [2021-11-03 04:28:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 60 states have (on average 2.5) internal successors, (150), 63 states have internal predecessors, (150), 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) [2021-11-03 04:28:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 04:28:53,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:28:53,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:28:53,035 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:28:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:28:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash 637038755, now seen corresponding path program 1 times [2021-11-03 04:28:53,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:28:53,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686579624] [2021-11-03 04:28:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:28:53,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:28:53,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:28:53,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:28:53,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:28:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:28:53,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:28:53,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:28:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:53,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:28:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:53,328 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:28:53,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686579624] [2021-11-03 04:28:53,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686579624] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:28:53,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:28:53,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 04:28:53,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045543035] [2021-11-03 04:28:53,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:28:53,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:28:53,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:28:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:28:53,367 INFO L87 Difference]: Start difference. First operand has 64 states, 60 states have (on average 2.5) internal successors, (150), 63 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-03 04:28:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:28:53,443 INFO L93 Difference]: Finished difference Result 54 states and 109 transitions. [2021-11-03 04:28:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:28:53,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 04:28:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:28:53,454 INFO L225 Difference]: With dead ends: 54 [2021-11-03 04:28:53,455 INFO L226 Difference]: Without dead ends: 54 [2021-11-03 04:28:53,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:28:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-03 04:28:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-03 04:28:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 51 states have (on average 2.1372549019607843) internal successors, (109), 53 states have internal predecessors, (109), 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) [2021-11-03 04:28:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2021-11-03 04:28:53,496 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 7 [2021-11-03 04:28:53,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:28:53,499 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2021-11-03 04:28:53,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-03 04:28:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2021-11-03 04:28:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:28:53,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:28:53,500 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:28:53,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:28:53,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:28:53,713 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:28:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:28:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1826368733, now seen corresponding path program 1 times [2021-11-03 04:28:53,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:28:53,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84671637] [2021-11-03 04:28:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:28:53,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:28:53,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:28:53,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:28:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:28:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:28:53,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:28:53,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:28:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:53,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:28:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:53,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:28:53,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84671637] [2021-11-03 04:28:53,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84671637] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:28:53,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1305166056] [2021-11-03 04:28:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:28:53,943 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:28:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:28:53,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:28:53,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-03 04:28:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:28:54,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:28:54,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:28:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:54,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:28:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:54,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1305166056] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:28:54,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687086704] [2021-11-03 04:28:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:28:54,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:28:54,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:28:54,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:28:54,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 04:28:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:28:54,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:28:54,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:28:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:54,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:28:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:54,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687086704] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:28:54,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 04:28:54,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2021-11-03 04:28:54,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298237032] [2021-11-03 04:28:54,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:28:54,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:28:54,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:28:54,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:28:54,486 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-11-03 04:28:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:28:54,637 INFO L93 Difference]: Finished difference Result 46 states and 85 transitions. [2021-11-03 04:28:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:28:54,640 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 04:28:54,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:28:54,641 INFO L225 Difference]: With dead ends: 46 [2021-11-03 04:28:54,641 INFO L226 Difference]: Without dead ends: 46 [2021-11-03 04:28:54,642 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:28:54,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-03 04:28:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-03 04:28:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.9318181818181819) internal successors, (85), 45 states have internal predecessors, (85), 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) [2021-11-03 04:28:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 85 transitions. [2021-11-03 04:28:54,649 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 85 transitions. Word has length 9 [2021-11-03 04:28:54,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:28:54,650 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 85 transitions. [2021-11-03 04:28:54,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-11-03 04:28:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-03 04:28:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:28:54,651 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:28:54,651 INFO L513 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:28:54,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:28:54,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:28:55,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2021-11-03 04:28:55,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 04:28:55,271 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:28:55,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:28:55,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1363757021, now seen corresponding path program 2 times [2021-11-03 04:28:55,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:28:55,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032077519] [2021-11-03 04:28:55,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 04:28:55,273 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:28:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:28:55,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:28:55,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf560f-a95f-46d5-8c64-75018f8d5bf2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:28:55,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-03 04:28:55,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:28:55,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 04:28:55,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:28:55,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 83 [2021-11-03 04:28:55,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:28:55,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:28:55,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:28:55,670 INFO L354 Elim1Store]: treesize reduction 163, result has 15.1 percent of original size [2021-11-03 04:28:55,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 39 [2021-11-03 04:28:56,145 INFO L354 Elim1Store]: treesize reduction 989, result has 6.0 percent of original size [2021-11-03 04:28:56,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 69 treesize of output 89 [2021-11-03 04:29:02,599 INFO L354 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2021-11-03 04:29:02,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 42 [2021-11-03 04:29:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-03 04:29:02,640 INFO L328 TraceCheckSpWp]: Computing backward predicates...