./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG --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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG --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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:34:03,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:34:03,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:34:03,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:34:03,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:34:03,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:34:03,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:34:03,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:34:03,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:34:03,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:34:03,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:34:03,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:34:03,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:34:03,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:34:03,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:34:03,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:34:03,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:34:03,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:34:03,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:34:03,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:34:03,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:34:03,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:34:03,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:34:03,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:34:03,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:34:03,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:34:03,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:34:03,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:34:03,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:34:03,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:34:03,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:34:03,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:34:03,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:34:03,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:34:03,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:34:03,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:34:03,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:34:03,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:34:03,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:34:03,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:34:03,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:34:03,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:34:03,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:34:03,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:34:03,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:34:03,619 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:34:03,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:34:03,620 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:34:03,620 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:34:03,620 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:34:03,620 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:34:03,621 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:34:03,630 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:34:03,630 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:34:03,631 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:34:03,631 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:34:03,631 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:34:03,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:34:03,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:34:03,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:34:03,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:34:03,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:34:03,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:34:03,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:34:03,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:34:03,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:34:03,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:34:03,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:34:03,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:34:03,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:34:03,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:34:03,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:34:03,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:34:03,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:34:03,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:34:03,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:34:03,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:34:03,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:34:03,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:34:03,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:34:03,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:34:03,639 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2021-10-29 05:34:03,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:34:04,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:34:04,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:34:04,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:34:04,035 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:34:04,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-10-29 05:34:04,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/ec9b6f816/376f6205b72147a3b55052ac0664be82/FLAG3291cbead [2021-10-29 05:34:04,669 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:34:04,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-10-29 05:34:04,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/ec9b6f816/376f6205b72147a3b55052ac0664be82/FLAG3291cbead [2021-10-29 05:34:04,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/ec9b6f816/376f6205b72147a3b55052ac0664be82 [2021-10-29 05:34:04,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:34:04,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:34:05,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:05,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:34:05,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:34:05,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:04" (1/1) ... [2021-10-29 05:34:05,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de14caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:05, skipping insertion in model container [2021-10-29 05:34:05,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:04" (1/1) ... [2021-10-29 05:34:05,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:34:05,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:34:05,353 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-10-29 05:34:05,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:05,393 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) [2021-10-29 05:34:05,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b1b8969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:05, skipping insertion in model container [2021-10-29 05:34:05,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:05,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:34:05,406 INFO L168 Benchmark]: Toolchain (without parser) took 405.48 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 89.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:34:05,408 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:34:05,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.75 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 89.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:34:05,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.75 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 89.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 138]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:34:08,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:34:08,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:34:08,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:34:08,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:34:08,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:34:08,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:34:08,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:34:08,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:34:08,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:34:08,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:34:08,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:34:08,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:34:08,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:34:08,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:34:08,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:34:08,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:34:08,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:34:08,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:34:08,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:34:08,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:34:08,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:34:08,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:34:08,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:34:08,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:34:08,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:34:08,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:34:08,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:34:08,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:34:08,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:34:08,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:34:08,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:34:08,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:34:08,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:34:08,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:34:08,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:34:08,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:34:08,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:34:08,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:34:08,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:34:08,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:34:08,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:34:08,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:34:08,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:34:08,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:34:08,371 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:34:08,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:34:08,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:34:08,372 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:34:08,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:34:08,372 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:34:08,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:34:08,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:34:08,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:34:08,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:34:08,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:34:08,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:34:08,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:34:08,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:34:08,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:34:08,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:34:08,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:34:08,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:34:08,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:34:08,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:34:08,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:34:08,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:34:08,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:34:08,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:34:08,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:34:08,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:34:08,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:34:08,378 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:34:08,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:34:08,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:34:08,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:34:08,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:34:08,379 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2021-10-29 05:34:08,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:34:08,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:34:08,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:34:08,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:34:08,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:34:08,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-10-29 05:34:09,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/1609dd4d1/1b5cb34cef2d4510b70316ad7870314b/FLAG2224dbf6d [2021-10-29 05:34:09,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:34:09,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-10-29 05:34:09,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/1609dd4d1/1b5cb34cef2d4510b70316ad7870314b/FLAG2224dbf6d [2021-10-29 05:34:10,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/data/1609dd4d1/1b5cb34cef2d4510b70316ad7870314b [2021-10-29 05:34:10,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:34:10,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:34:10,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:10,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:34:10,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:34:10,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643e37d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10, skipping insertion in model container [2021-10-29 05:34:10,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:34:10,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:34:10,397 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-10-29 05:34:10,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:10,422 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:34:10,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:34:10,527 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-10-29 05:34:10,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:10,544 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:34:10,617 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_f116c4a4-e123-4ff0-954f-c7821a72cbc0/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-10-29 05:34:10,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:10,648 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:34:10,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10 WrapperNode [2021-10-29 05:34:10,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:10,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:34:10,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:34:10,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:34:10,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:34:10,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:34:10,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:34:10,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:34:10,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:34:10,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:34:10,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:34:10,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:34:10,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (1/1) ... [2021-10-29 05:34:10,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:34:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:34:10,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:34:10,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:34:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:34:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:34:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:34:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:34:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:34:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:34:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:34:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 05:34:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 05:34:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:34:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:34:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:34:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:34:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:34:10,918 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:34:11,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:34:11,908 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-10-29 05:34:11,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:34:11 BoogieIcfgContainer [2021-10-29 05:34:11,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:34:11,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:34:11,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:34:11,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:34:11,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:34:10" (1/3) ... [2021-10-29 05:34:11,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b5735a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:34:11, skipping insertion in model container [2021-10-29 05:34:11,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:10" (2/3) ... [2021-10-29 05:34:11,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b5735a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:34:11, skipping insertion in model container [2021-10-29 05:34:11,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:34:11" (3/3) ... [2021-10-29 05:34:11,928 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2021-10-29 05:34:11,935 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:34:11,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:34:11,935 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:34:11,936 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:34:12,049 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,049 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,050 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,050 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,050 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,057 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,057 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,076 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,077 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,102 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,102 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,104 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,104 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,104 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,107 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,124 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,124 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,124 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,131 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,135 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,135 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,147 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,148 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,148 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,148 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,149 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,149 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,149 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,150 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,150 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,150 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,150 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,151 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,151 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,151 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,151 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,152 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,152 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,152 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,152 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,153 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,153 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,167 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,167 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,167 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,168 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,168 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,168 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,168 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,169 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,169 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,169 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,169 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,170 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,170 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,170 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,170 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,171 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,171 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,171 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,171 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,171 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,172 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,172 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,187 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,188 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,188 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,189 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,189 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,189 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,191 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,192 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,193 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,194 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,196 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,197 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,197 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,203 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,216 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,216 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,217 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,236 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,236 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,237 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,238 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:34:12,245 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 05:34:12,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:34:12,350 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 [2021-10-29 05:34:12,351 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:34:12,391 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:34:12,409 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 305 transitions, 634 flow [2021-10-29 05:34:12,419 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 305 transitions, 634 flow [2021-10-29 05:34:12,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 305 transitions, 634 flow [2021-10-29 05:34:12,670 INFO L129 PetriNetUnfolder]: 35/302 cut-off events. [2021-10-29 05:34:12,670 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 05:34:12,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 302 events. 35/302 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 501 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 231. Up to 3 conditions per place. [2021-10-29 05:34:12,702 INFO L116 LiptonReduction]: Number of co-enabled transitions 12480 [2021-10-29 05:34:45,210 INFO L131 LiptonReduction]: Checked pairs total: 14276 [2021-10-29 05:34:45,210 INFO L133 LiptonReduction]: Total number of compositions: 336 [2021-10-29 05:34:45,222 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 43 transitions, 110 flow [2021-10-29 05:34:45,272 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 349 states, 348 states have (on average 4.080459770114943) internal successors, (1420), 348 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 349 states, 348 states have (on average 4.080459770114943) internal successors, (1420), 348 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:34:45,299 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:45,299 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:45,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:45,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash -567485763, now seen corresponding path program 1 times [2021-10-29 05:34:45,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:45,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082297772] [2021-10-29 05:34:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:45,324 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:45,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:45,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:34:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:45,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:34:45,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:45,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:46,057 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:46,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082297772] [2021-10-29 05:34:46,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082297772] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:46,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:46,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:34:46,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500754141] [2021-10-29 05:34:46,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:34:46,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:46,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:34:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:34:46,095 INFO L87 Difference]: Start difference. First operand has 349 states, 348 states have (on average 4.080459770114943) internal successors, (1420), 348 states have internal predecessors, (1420), 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, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:46,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:46,254 INFO L93 Difference]: Finished difference Result 442 states and 1711 transitions. [2021-10-29 05:34:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:34:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 19 [2021-10-29 05:34:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:46,281 INFO L225 Difference]: With dead ends: 442 [2021-10-29 05:34:46,281 INFO L226 Difference]: Without dead ends: 249 [2021-10-29 05:34:46,284 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:34:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-29 05:34:46,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-10-29 05:34:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 3.7580645161290325) internal successors, (932), 248 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 932 transitions. [2021-10-29 05:34:46,394 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 932 transitions. Word has length 19 [2021-10-29 05:34:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:46,395 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 932 transitions. [2021-10-29 05:34:46,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 932 transitions. [2021-10-29 05:34:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:46,401 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:46,402 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:46,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:34:46,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:46,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:46,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:46,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1611131172, now seen corresponding path program 1 times [2021-10-29 05:34:46,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:46,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813466456] [2021-10-29 05:34:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:46,619 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:46,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:46,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:46,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:34:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:46,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:34:46,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:47,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:48,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:48,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813466456] [2021-10-29 05:34:48,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813466456] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:48,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:48,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:34:48,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584632476] [2021-10-29 05:34:48,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:48,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:48,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:48,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:34:48,734 INFO L87 Difference]: Start difference. First operand 249 states and 932 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:49,718 INFO L93 Difference]: Finished difference Result 416 states and 1378 transitions. [2021-10-29 05:34:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 05:34:49,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:34:49,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:49,727 INFO L225 Difference]: With dead ends: 416 [2021-10-29 05:34:49,727 INFO L226 Difference]: Without dead ends: 397 [2021-10-29 05:34:49,728 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:34:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-10-29 05:34:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 249. [2021-10-29 05:34:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 3.725806451612903) internal successors, (924), 248 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 924 transitions. [2021-10-29 05:34:49,777 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 924 transitions. Word has length 20 [2021-10-29 05:34:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:49,778 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 924 transitions. [2021-10-29 05:34:49,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 924 transitions. [2021-10-29 05:34:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:49,790 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:49,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:49,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:34:50,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:50,012 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:50,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:50,013 INFO L85 PathProgramCache]: Analyzing trace with hash -345983646, now seen corresponding path program 2 times [2021-10-29 05:34:50,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:50,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690127555] [2021-10-29 05:34:50,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 05:34:50,014 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:50,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:50,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:34:50,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-29 05:34:50,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:34:50,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:34:50,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:50,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:52,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:52,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690127555] [2021-10-29 05:34:52,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690127555] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:52,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:52,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:34:52,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790943930] [2021-10-29 05:34:52,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:52,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:52,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:52,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:34:52,011 INFO L87 Difference]: Start difference. First operand 249 states and 924 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:52,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:52,974 INFO L93 Difference]: Finished difference Result 462 states and 1561 transitions. [2021-10-29 05:34:52,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 05:34:52,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:34:52,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:52,986 INFO L225 Difference]: With dead ends: 462 [2021-10-29 05:34:52,986 INFO L226 Difference]: Without dead ends: 435 [2021-10-29 05:34:52,987 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:34:52,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-29 05:34:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 249. [2021-10-29 05:34:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 3.6693548387096775) internal successors, (910), 248 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 910 transitions. [2021-10-29 05:34:53,030 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 910 transitions. Word has length 20 [2021-10-29 05:34:53,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:53,030 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 910 transitions. [2021-10-29 05:34:53,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 910 transitions. [2021-10-29 05:34:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:53,032 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:53,033 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:53,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-29 05:34:53,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:53,241 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:53,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1721787258, now seen corresponding path program 3 times [2021-10-29 05:34:53,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:53,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477015197] [2021-10-29 05:34:53,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-29 05:34:53,243 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:53,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:53,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:53,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:34:53,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-29 05:34:53,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:34:53,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:34:53,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:54,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:54,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:54,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477015197] [2021-10-29 05:34:54,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477015197] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:54,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:54,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:34:54,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324341915] [2021-10-29 05:34:54,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:54,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:34:54,910 INFO L87 Difference]: Start difference. First operand 249 states and 910 transitions. Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:56,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:56,127 INFO L93 Difference]: Finished difference Result 642 states and 2023 transitions. [2021-10-29 05:34:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 05:34:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:34:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:56,135 INFO L225 Difference]: With dead ends: 642 [2021-10-29 05:34:56,136 INFO L226 Difference]: Without dead ends: 623 [2021-10-29 05:34:56,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:34:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-10-29 05:34:56,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 251. [2021-10-29 05:34:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 3.66) internal successors, (915), 250 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 915 transitions. [2021-10-29 05:34:56,160 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 915 transitions. Word has length 20 [2021-10-29 05:34:56,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:56,160 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 915 transitions. [2021-10-29 05:34:56,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 915 transitions. [2021-10-29 05:34:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:56,163 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:56,163 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:56,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:34:56,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:56,378 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash -250278406, now seen corresponding path program 4 times [2021-10-29 05:34:56,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:56,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766906436] [2021-10-29 05:34:56,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-29 05:34:56,380 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:56,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:56,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:34:56,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-29 05:34:56,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:34:56,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:34:56,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:57,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:58,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:58,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766906436] [2021-10-29 05:34:58,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766906436] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:58,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:58,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:34:58,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711506510] [2021-10-29 05:34:58,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:58,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:34:58,219 INFO L87 Difference]: Start difference. First operand 251 states and 915 transitions. Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:59,185 INFO L93 Difference]: Finished difference Result 380 states and 1255 transitions. [2021-10-29 05:34:59,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 05:34:59,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:34:59,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:59,191 INFO L225 Difference]: With dead ends: 380 [2021-10-29 05:34:59,192 INFO L226 Difference]: Without dead ends: 367 [2021-10-29 05:34:59,192 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:34:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-10-29 05:34:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 251. [2021-10-29 05:34:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 3.652) internal successors, (913), 250 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 913 transitions. [2021-10-29 05:34:59,209 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 913 transitions. Word has length 20 [2021-10-29 05:34:59,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:59,210 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 913 transitions. [2021-10-29 05:34:59,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 913 transitions. [2021-10-29 05:34:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:59,212 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:59,212 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:59,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:34:59,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:59,438 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:34:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:59,439 INFO L85 PathProgramCache]: Analyzing trace with hash 158057144, now seen corresponding path program 5 times [2021-10-29 05:34:59,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:59,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23496462] [2021-10-29 05:34:59,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-29 05:34:59,440 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:59,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:59,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:34:59,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-29 05:34:59,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:34:59,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:34:59,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:00,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:01,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:01,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23496462] [2021-10-29 05:35:01,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23496462] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:01,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:01,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:35:01,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079091578] [2021-10-29 05:35:01,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:35:01,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:35:01,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:35:01,241 INFO L87 Difference]: Start difference. First operand 251 states and 913 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:02,107 INFO L93 Difference]: Finished difference Result 416 states and 1340 transitions. [2021-10-29 05:35:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 05:35:02,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:35:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:02,113 INFO L225 Difference]: With dead ends: 416 [2021-10-29 05:35:02,113 INFO L226 Difference]: Without dead ends: 403 [2021-10-29 05:35:02,114 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:35:02,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-10-29 05:35:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 255. [2021-10-29 05:35:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 3.62992125984252) internal successors, (922), 254 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 922 transitions. [2021-10-29 05:35:02,133 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 922 transitions. Word has length 20 [2021-10-29 05:35:02,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:02,133 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 922 transitions. [2021-10-29 05:35:02,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 922 transitions. [2021-10-29 05:35:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:35:02,136 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:02,136 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:02,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:02,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:02,357 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:02,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:02,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1334777438, now seen corresponding path program 6 times [2021-10-29 05:35:02,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:02,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837716224] [2021-10-29 05:35:02,358 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-29 05:35:02,358 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:02,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:02,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:35:02,755 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2021-10-29 05:35:02,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:35:02,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:35:02,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:03,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:03,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:03,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837716224] [2021-10-29 05:35:03,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837716224] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:03,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:03,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:35:03,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877843142] [2021-10-29 05:35:03,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:35:03,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:03,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:35:03,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:35:03,740 INFO L87 Difference]: Start difference. First operand 255 states and 922 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:04,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:04,799 INFO L93 Difference]: Finished difference Result 548 states and 1759 transitions. [2021-10-29 05:35:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 05:35:04,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:35:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:04,807 INFO L225 Difference]: With dead ends: 548 [2021-10-29 05:35:04,807 INFO L226 Difference]: Without dead ends: 521 [2021-10-29 05:35:04,807 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:35:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-10-29 05:35:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 255. [2021-10-29 05:35:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 3.6141732283464565) internal successors, (918), 254 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 918 transitions. [2021-10-29 05:35:04,826 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 918 transitions. Word has length 20 [2021-10-29 05:35:04,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:04,827 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 918 transitions. [2021-10-29 05:35:04,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 918 transitions. [2021-10-29 05:35:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:04,829 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:04,829 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:04,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:05,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:05,045 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:05,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2124647856, now seen corresponding path program 1 times [2021-10-29 05:35:05,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:05,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215703153] [2021-10-29 05:35:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:05,047 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:05,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:05,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:05,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:35:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:05,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:05,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:05,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:05,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:05,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215703153] [2021-10-29 05:35:05,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215703153] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:05,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:05,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:05,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964465917] [2021-10-29 05:35:05,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:05,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:05,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:05,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:05,657 INFO L87 Difference]: Start difference. First operand 255 states and 918 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:05,727 INFO L93 Difference]: Finished difference Result 317 states and 1062 transitions. [2021-10-29 05:35:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:35:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:05,732 INFO L225 Difference]: With dead ends: 317 [2021-10-29 05:35:05,732 INFO L226 Difference]: Without dead ends: 317 [2021-10-29 05:35:05,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:05,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-10-29 05:35:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 271. [2021-10-29 05:35:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 3.4444444444444446) internal successors, (930), 270 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 930 transitions. [2021-10-29 05:35:05,748 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 930 transitions. Word has length 21 [2021-10-29 05:35:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:05,748 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 930 transitions. [2021-10-29 05:35:05,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 930 transitions. [2021-10-29 05:35:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:05,751 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:05,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:05,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:05,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:05,968 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:05,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:05,969 INFO L85 PathProgramCache]: Analyzing trace with hash 5336410, now seen corresponding path program 2 times [2021-10-29 05:35:05,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:05,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035092144] [2021-10-29 05:35:05,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 05:35:05,970 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:05,971 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:05,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:35:06,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-29 05:35:06,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:35:06,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:06,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:06,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:06,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:06,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035092144] [2021-10-29 05:35:06,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035092144] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:06,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:06,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:06,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077814300] [2021-10-29 05:35:06,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:06,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:06,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:06,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:06,655 INFO L87 Difference]: Start difference. First operand 271 states and 930 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:06,738 INFO L93 Difference]: Finished difference Result 357 states and 1194 transitions. [2021-10-29 05:35:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:35:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:06,744 INFO L225 Difference]: With dead ends: 357 [2021-10-29 05:35:06,744 INFO L226 Difference]: Without dead ends: 357 [2021-10-29 05:35:06,745 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:06,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-10-29 05:35:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 255. [2021-10-29 05:35:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 3.3858267716535435) internal successors, (860), 254 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 860 transitions. [2021-10-29 05:35:06,760 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 860 transitions. Word has length 21 [2021-10-29 05:35:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:06,761 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 860 transitions. [2021-10-29 05:35:06,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 860 transitions. [2021-10-29 05:35:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:06,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:06,766 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:06,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:06,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:06,980 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash -999157030, now seen corresponding path program 3 times [2021-10-29 05:35:06,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:06,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468129712] [2021-10-29 05:35:06,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-29 05:35:06,982 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:06,982 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:06,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:35:07,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-29 05:35:07,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:35:07,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:07,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:07,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:07,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:07,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468129712] [2021-10-29 05:35:07,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468129712] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:07,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:07,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:07,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817153749] [2021-10-29 05:35:07,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:07,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:07,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:07,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:07,602 INFO L87 Difference]: Start difference. First operand 255 states and 860 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:07,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:07,668 INFO L93 Difference]: Finished difference Result 313 states and 1000 transitions. [2021-10-29 05:35:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:07,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:07,673 INFO L225 Difference]: With dead ends: 313 [2021-10-29 05:35:07,673 INFO L226 Difference]: Without dead ends: 309 [2021-10-29 05:35:07,674 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-29 05:35:07,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 255. [2021-10-29 05:35:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 3.37007874015748) internal successors, (856), 254 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 856 transitions. [2021-10-29 05:35:07,688 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 856 transitions. Word has length 21 [2021-10-29 05:35:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:07,689 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 856 transitions. [2021-10-29 05:35:07,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 856 transitions. [2021-10-29 05:35:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:07,691 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:07,691 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:07,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:07,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:07,907 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:07,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1103910120, now seen corresponding path program 1 times [2021-10-29 05:35:07,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:07,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131518875] [2021-10-29 05:35:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:07,908 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:07,909 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:07,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:35:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:08,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:08,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:08,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:08,578 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:08,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131518875] [2021-10-29 05:35:08,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131518875] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:08,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:08,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:08,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84254641] [2021-10-29 05:35:08,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:08,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:08,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:08,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:08,582 INFO L87 Difference]: Start difference. First operand 255 states and 856 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:08,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:08,654 INFO L93 Difference]: Finished difference Result 319 states and 1007 transitions. [2021-10-29 05:35:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:08,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:08,661 INFO L225 Difference]: With dead ends: 319 [2021-10-29 05:35:08,662 INFO L226 Difference]: Without dead ends: 307 [2021-10-29 05:35:08,663 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-10-29 05:35:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 253. [2021-10-29 05:35:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.376984126984127) internal successors, (851), 252 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 851 transitions. [2021-10-29 05:35:08,677 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 851 transitions. Word has length 21 [2021-10-29 05:35:08,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:08,678 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 851 transitions. [2021-10-29 05:35:08,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 851 transitions. [2021-10-29 05:35:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:08,680 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:08,680 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:08,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:08,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:08,896 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:08,896 INFO L85 PathProgramCache]: Analyzing trace with hash 452008680, now seen corresponding path program 2 times [2021-10-29 05:35:08,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:08,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771594200] [2021-10-29 05:35:08,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 05:35:08,897 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:08,898 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:08,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:35:09,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-29 05:35:09,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:35:09,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:09,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:09,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:09,462 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:09,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771594200] [2021-10-29 05:35:09,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771594200] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:09,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:09,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:09,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457282590] [2021-10-29 05:35:09,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:09,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:09,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:09,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:09,463 INFO L87 Difference]: Start difference. First operand 253 states and 851 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:09,512 INFO L93 Difference]: Finished difference Result 289 states and 926 transitions. [2021-10-29 05:35:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:09,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:09,515 INFO L225 Difference]: With dead ends: 289 [2021-10-29 05:35:09,516 INFO L226 Difference]: Without dead ends: 279 [2021-10-29 05:35:09,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-10-29 05:35:09,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 253. [2021-10-29 05:35:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.3373015873015874) internal successors, (841), 252 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 841 transitions. [2021-10-29 05:35:09,528 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 841 transitions. Word has length 21 [2021-10-29 05:35:09,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:09,529 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 841 transitions. [2021-10-29 05:35:09,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 841 transitions. [2021-10-29 05:35:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:35:09,531 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:09,531 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:09,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:09,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:09,747 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:09,747 INFO L85 PathProgramCache]: Analyzing trace with hash 29025948, now seen corresponding path program 4 times [2021-10-29 05:35:09,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:09,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644088558] [2021-10-29 05:35:09,748 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-29 05:35:09,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:09,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:09,749 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:09,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 05:35:10,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-29 05:35:10,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:35:10,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:35:10,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:10,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:10,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:10,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644088558] [2021-10-29 05:35:10,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644088558] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:10,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:10,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:35:10,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805842463] [2021-10-29 05:35:10,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:10,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:10,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:10,350 INFO L87 Difference]: Start difference. First operand 253 states and 841 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:10,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:10,408 INFO L93 Difference]: Finished difference Result 257 states and 847 transitions. [2021-10-29 05:35:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:10,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 05:35:10,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:10,412 INFO L225 Difference]: With dead ends: 257 [2021-10-29 05:35:10,412 INFO L226 Difference]: Without dead ends: 249 [2021-10-29 05:35:10,413 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-29 05:35:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-10-29 05:35:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 3.3548387096774195) internal successors, (832), 248 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 832 transitions. [2021-10-29 05:35:10,431 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 832 transitions. Word has length 21 [2021-10-29 05:35:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:10,432 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 832 transitions. [2021-10-29 05:35:10,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 832 transitions. [2021-10-29 05:35:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:35:10,434 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:10,434 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:10,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:10,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:10,651 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1142372534, now seen corresponding path program 1 times [2021-10-29 05:35:10,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:10,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140529186] [2021-10-29 05:35:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:10,652 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:10,654 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:10,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:35:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:11,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 05:35:11,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:12,488 INFO L354 Elim1Store]: treesize reduction 156, result has 58.2 percent of original size [2021-10-29 05:35:12,489 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 261 treesize of output 345 [2021-10-29 05:35:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:13,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:14,821 INFO L354 Elim1Store]: treesize reduction 338, result has 37.3 percent of original size [2021-10-29 05:35:14,822 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 395 treesize of output 385 [2021-10-29 05:35:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:22,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:22,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140529186] [2021-10-29 05:35:22,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140529186] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:22,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:22,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-10-29 05:35:22,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568799183] [2021-10-29 05:35:22,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-29 05:35:22,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:22,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-29 05:35:22,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:35:22,403 INFO L87 Difference]: Start difference. First operand 249 states and 832 transitions. Second operand has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:23,037 INFO L93 Difference]: Finished difference Result 399 states and 1176 transitions. [2021-10-29 05:35:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:35:23,038 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 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 22 [2021-10-29 05:35:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:23,042 INFO L225 Difference]: With dead ends: 399 [2021-10-29 05:35:23,042 INFO L226 Difference]: Without dead ends: 329 [2021-10-29 05:35:23,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:35:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-10-29 05:35:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 249. [2021-10-29 05:35:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 2.9516129032258065) internal successors, (732), 248 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 732 transitions. [2021-10-29 05:35:23,056 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 732 transitions. Word has length 22 [2021-10-29 05:35:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:23,056 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 732 transitions. [2021-10-29 05:35:23,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 732 transitions. [2021-10-29 05:35:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:35:23,058 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:23,059 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:23,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:23,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:23,275 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:35:23,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1960312118, now seen corresponding path program 1 times [2021-10-29 05:35:23,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:23,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446760108] [2021-10-29 05:35:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:23,277 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:23,278 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:23,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 05:35:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:23,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:35:23,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:24,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:24,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:24,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446760108] [2021-10-29 05:35:24,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446760108] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:24,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:24,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:35:24,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052492509] [2021-10-29 05:35:24,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:35:24,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:24,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:35:24,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:35:24,081 INFO L87 Difference]: Start difference. First operand 249 states and 732 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:24,133 INFO L93 Difference]: Finished difference Result 89 states and 218 transitions. [2021-10-29 05:35:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:24,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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 25 [2021-10-29 05:35:24,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:24,134 INFO L225 Difference]: With dead ends: 89 [2021-10-29 05:35:24,134 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:35:24,135 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:35:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:35:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:35:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:35:24,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-29 05:35:24,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:24,137 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:35:24,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:35:24,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:35:24,140 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:35:24,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:35:24,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:35:24,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 05:35:24,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-29 05:35:24,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:24,360 INFO L731 BasicCegarLoop]: Path program histogram: [6, 4, 2, 1, 1, 1] [2021-10-29 05:35:24,362 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:35:24,363 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:35:24,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:35:24 BasicIcfg [2021-10-29 05:35:24,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:35:24,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:35:24,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:35:24,366 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:35:24,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:34:11" (3/4) ... [2021-10-29 05:35:24,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:35:24,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:35:24,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:35:24,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 05:35:24,384 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-29 05:35:24,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:35:24,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:35:24,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:35:24,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:35:24,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:35:24,455 INFO L168 Benchmark]: Toolchain (without parser) took 74388.08 ms. Allocated memory was 60.8 MB in the beginning and 121.6 MB in the end (delta: 60.8 MB). Free memory was 41.2 MB in the beginning and 31.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 70.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,456 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:35:24,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.43 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 41.6 MB in the end (delta: -572.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 60.8 MB. Free memory was 41.6 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,457 INFO L168 Benchmark]: Boogie Preprocessor took 74.00 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 37.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,458 INFO L168 Benchmark]: RCFGBuilder took 1126.05 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 37.4 MB in the beginning and 52.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,459 INFO L168 Benchmark]: TraceAbstraction took 72445.28 ms. Allocated memory was 81.8 MB in the beginning and 121.6 MB in the end (delta: 39.8 MB). Free memory was 52.6 MB in the beginning and 36.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,459 INFO L168 Benchmark]: Witness Printer took 88.75 ms. Allocated memory is still 121.6 MB. Free memory was 36.0 MB in the beginning and 31.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 579.43 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 41.6 MB in the end (delta: -572.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 60.8 MB. Free memory was 41.6 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.00 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 37.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1126.05 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 37.4 MB in the beginning and 52.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 72445.28 ms. Allocated memory was 81.8 MB in the beginning and 121.6 MB in the end (delta: 39.8 MB). Free memory was 52.6 MB in the beginning and 36.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. * Witness Printer took 88.75 ms. Allocated memory is still 121.6 MB. Free memory was 36.0 MB in the beginning and 31.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.7s, 280 PlacesBefore, 42 PlacesAfterwards, 305 TransitionsBefore, 43 TransitionsAfterwards, 12480 CoEnabledTransitionPairs, 7 FixpointIterations, 150 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 36 ConcurrentYvCompositions, 24 ChoiceCompositions, 336 TotalNumberOfCompositions, 14276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11407, positive: 11257, positive conditional: 0, positive unconditional: 11257, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8935, positive: 8880, positive conditional: 0, positive unconditional: 8880, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8935, positive: 8880, positive conditional: 0, positive unconditional: 8880, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2134, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2134, negative conditional: 0, negative unconditional: 2134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11407, positive: 2377, positive conditional: 0, positive unconditional: 2377, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 8935, unknown conditional: 0, unknown unconditional: 8935] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 282, Positive conditional cache size: 0, Positive unconditional cache size: 282, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 129]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 376 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 72.0s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 32.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 940 SDtfs, 1411 SDslu, 1993 SDs, 0 SdLazy, 793 SolverSat, 121 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=0, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1598 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 594 ConstructedInterpolants, 20 QuantifiedInterpolants, 5599 SizeOfPredicates, 165 NumberOfNonLiveVariables, 1857 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:35:24,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f116c4a4-e123-4ff0-954f-c7821a72cbc0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...