./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI --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 f1df5b5a20d50f307128a761c04a5165b8cf7856 ............................................................................................................................................ 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_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI --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 f1df5b5a20d50f307128a761c04a5165b8cf7856 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:29,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:29,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:29,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:29,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:29,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:29,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:29,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:29,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:29,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:29,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:29,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:29,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:29,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:29,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:29,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:29,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:29,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:29,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:29,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:29,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:29,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:29,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:29,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:29,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:29,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:29,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:29,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:29,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:29,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:29,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:29,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:29,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:29,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:29,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:29,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:29,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:29,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:29,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:29,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:29,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:29,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:30,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:30,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:30,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:30,007 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:30,007 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:30,008 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:30,008 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:30,008 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:30,008 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:30,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:30,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:30,010 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:30,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:30,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:30,011 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:30,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:30,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:30,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:30,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:30,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:30,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:30,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:30,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:30,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:30,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:30,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:30,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:30,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:30,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:30,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:30,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:30,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:30,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:30,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:30,018 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:30,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:30,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:30,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:30,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:30,019 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_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1df5b5a20d50f307128a761c04a5165b8cf7856 [2021-10-11 02:26:30,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:30,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:30,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:30,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:30,367 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:30,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-10-11 02:26:30,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/0dd82a9cd/8e252bded4504fae94b9a4f6f05b2cc7/FLAGc51670f37 [2021-10-11 02:26:31,038 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:31,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-10-11 02:26:31,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/0dd82a9cd/8e252bded4504fae94b9a4f6f05b2cc7/FLAGc51670f37 [2021-10-11 02:26:31,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/0dd82a9cd/8e252bded4504fae94b9a4f6f05b2cc7 [2021-10-11 02:26:31,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:31,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:31,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:31,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:31,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:31,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:31" (1/1) ... [2021-10-11 02:26:31,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ebe649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:31, skipping insertion in model container [2021-10-11 02:26:31,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:31" (1/1) ... [2021-10-11 02:26:31,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:31,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:31,805 WARN L226 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_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-10-11 02:26:31,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:31,857 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) [2021-10-11 02:26:31,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@144fddb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:31, skipping insertion in model container [2021-10-11 02:26:31,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:31,859 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:31,861 INFO L168 Benchmark]: Toolchain (without parser) took 555.70 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 80.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,863 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 62.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:31,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 80.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 62.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 80.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 693]: 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 0.2.0-7b2dab5 [2021-10-11 02:26:34,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:34,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:34,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:34,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:34,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:34,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:34,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:34,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:34,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:34,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:34,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:34,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:34,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:34,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:34,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:34,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:34,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:34,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:34,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:34,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:34,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:34,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:34,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:34,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:34,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:34,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:34,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:34,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:34,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:34,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:34,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:34,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:34,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:34,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:34,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:34,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:34,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:34,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:34,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:34,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:34,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:34,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:34,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:34,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:34,338 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:34,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:34,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:34,338 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:34,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:34,339 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:34,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:34,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:34,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:34,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:34,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:34,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:34,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:34,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:34,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:34,342 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:34,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:34,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:34,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:34,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:34,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:34,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:34,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:34,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:34,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:34,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:34,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:34,344 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:34,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:34,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:34,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:34,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:34,345 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_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1df5b5a20d50f307128a761c04a5165b8cf7856 [2021-10-11 02:26:34,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:34,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:34,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:34,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:34,776 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:34,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-10-11 02:26:34,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/204d751c8/de0ef4e3aafd4595924f3de9e6872fcc/FLAGd9468d27f [2021-10-11 02:26:35,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:35,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2021-10-11 02:26:35,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/204d751c8/de0ef4e3aafd4595924f3de9e6872fcc/FLAGd9468d27f [2021-10-11 02:26:35,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/data/204d751c8/de0ef4e3aafd4595924f3de9e6872fcc [2021-10-11 02:26:35,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:35,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:35,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:35,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:35,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:35,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:35" (1/1) ... [2021-10-11 02:26:35,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b23afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:35, skipping insertion in model container [2021-10-11 02:26:35,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:35" (1/1) ... [2021-10-11 02:26:35,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:35,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:36,250 WARN L226 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_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-10-11 02:26:36,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:36,299 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:36,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:36,336 WARN L226 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_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-10-11 02:26:36,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:36,365 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:36,427 WARN L226 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_696664d4-e571-41b3-90d8-637cdf717e03/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-10-11 02:26:36,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:36,558 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:36,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36 WrapperNode [2021-10-11 02:26:36,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:36,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:36,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:36,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:36,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:36,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:36,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:36,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:36,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... [2021-10-11 02:26:36,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:36,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:36,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:36,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:36,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:26:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-11 02:26:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-11 02:26:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-11 02:26:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:26:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:26:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-11 02:26:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:36,763 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-11 02:26:37,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:37,563 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 02:26:37,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:37 BoogieIcfgContainer [2021-10-11 02:26:37,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:37,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:37,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:37,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:37,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:35" (1/3) ... [2021-10-11 02:26:37,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddcf45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:37, skipping insertion in model container [2021-10-11 02:26:37,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:36" (2/3) ... [2021-10-11 02:26:37,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddcf45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:37, skipping insertion in model container [2021-10-11 02:26:37,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:37" (3/3) ... [2021-10-11 02:26:37,578 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-10-11 02:26:37,598 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 02:26:37,599 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:37,602 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:26:37,603 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 02:26:37,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,633 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,633 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,634 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,634 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,641 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,641 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,645 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,645 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,645 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,646 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,646 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,646 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,648 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,648 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,649 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,649 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,649 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,649 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,658 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,659 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:26:37,669 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-11 02:26:37,683 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:26:37,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:37,708 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:37,708 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:37,708 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:37,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:37,709 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:37,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:37,722 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:37,737 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 02:26:37,739 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 97 transitions, 202 flow [2021-10-11 02:26:37,741 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 97 transitions, 202 flow [2021-10-11 02:26:37,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 97 transitions, 202 flow [2021-10-11 02:26:37,800 INFO L129 PetriNetUnfolder]: 9/96 cut-off events. [2021-10-11 02:26:37,801 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-11 02:26:37,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 9/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 144 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-10-11 02:26:37,809 INFO L116 LiptonReduction]: Number of co-enabled transitions 1386 [2021-10-11 02:26:38,027 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-10-11 02:26:38,210 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-10-11 02:26:38,554 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2021-10-11 02:26:39,155 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-10-11 02:26:41,977 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-10-11 02:26:44,532 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-10-11 02:26:45,060 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-10-11 02:26:45,180 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-10-11 02:26:45,282 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-10-11 02:26:45,763 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-10-11 02:26:45,980 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-10-11 02:26:46,187 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-10-11 02:26:46,375 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-10-11 02:26:46,820 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-10-11 02:26:47,066 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-10-11 02:26:47,312 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-10-11 02:26:47,553 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-10-11 02:26:47,821 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-10-11 02:26:47,974 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-10-11 02:26:48,187 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-10-11 02:26:48,363 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-10-11 02:26:49,291 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-10-11 02:26:49,907 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-10-11 02:26:50,751 WARN L197 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-10-11 02:26:51,608 WARN L197 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-10-11 02:26:54,224 WARN L197 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 307 [2021-10-11 02:26:56,442 WARN L197 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 303 [2021-10-11 02:26:59,024 WARN L197 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 307 [2021-10-11 02:27:01,206 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 303 [2021-10-11 02:27:04,754 WARN L197 SmtUtils]: Spent 3.54 s on a formula simplification that was a NOOP. DAG size: 314 [2021-10-11 02:27:08,129 WARN L197 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 312 [2021-10-11 02:27:11,816 WARN L197 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 314 [2021-10-11 02:27:15,485 WARN L197 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 312 [2021-10-11 02:27:15,490 INFO L131 LiptonReduction]: Checked pairs total: 2816 [2021-10-11 02:27:15,491 INFO L133 LiptonReduction]: Total number of compositions: 85 [2021-10-11 02:27:15,497 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 29 transitions, 66 flow [2021-10-11 02:27:15,508 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 84 states. [2021-10-11 02:27:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2021-10-11 02:27:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:27:15,515 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:15,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:27:15,516 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:15,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:15,522 INFO L82 PathProgramCache]: Analyzing trace with hash 358129157, now seen corresponding path program 1 times [2021-10-11 02:27:15,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:15,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618056240] [2021-10-11 02:27:15,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:15,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:27:15,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:15,905 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1368 treesize of output 1240 [2021-10-11 02:27:15,928 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:27:16,065 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-10-11 02:27:16,066 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:27:16,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-11 02:27:16,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-11 02:27:16,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-11 02:27:16,181 INFO L348 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-10-11 02:27:16,181 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 65 treesize of output 82 [2021-10-11 02:27:16,190 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:27:16,303 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-10-11 02:27:16,303 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:27:16,325 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 02:27:16,328 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:91, output treesize:73 [2021-10-11 02:27:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:16,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:16,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618056240] [2021-10-11 02:27:16,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:16,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:27:16,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951138622] [2021-10-11 02:27:16,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:16,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:16,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:16,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:16,509 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2021-10-11 02:27:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:16,637 INFO L93 Difference]: Finished difference Result 80 states and 138 transitions. [2021-10-11 02:27:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:16,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 02:27:16,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:16,646 INFO L225 Difference]: With dead ends: 80 [2021-10-11 02:27:16,646 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 02:27:16,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 02:27:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 02:27:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 02:27:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 60 transitions. [2021-10-11 02:27:16,683 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 60 transitions. Word has length 5 [2021-10-11 02:27:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:16,688 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 60 transitions. [2021-10-11 02:27:16,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2021-10-11 02:27:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:27:16,689 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:16,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:16,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:16,904 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1562945513, now seen corresponding path program 1 times [2021-10-11 02:27:16,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:16,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61852607] [2021-10-11 02:27:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:17,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:27:17,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:17,167 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-11 02:27:17,171 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-10-11 02:27:17,219 INFO L625 ElimStorePlain]: treesize reduction 21, result has 38.2 percent of original size [2021-10-11 02:27:17,224 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:27:17,225 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:4 [2021-10-11 02:27:17,246 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-11 02:27:17,247 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:27:17,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:27:17,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:27:17,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2021-10-11 02:27:17,290 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-10-11 02:27:17,292 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:27:17,304 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:27:17,307 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 02:27:17,307 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:21 [2021-10-11 02:27:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:17,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:17,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61852607] [2021-10-11 02:27:17,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:17,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:17,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913988742] [2021-10-11 02:27:17,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:17,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:17,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:17,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:17,373 INFO L87 Difference]: Start difference. First operand 38 states and 60 transitions. Second operand 5 states. [2021-10-11 02:27:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:17,563 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2021-10-11 02:27:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:17,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-10-11 02:27:17,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:17,565 INFO L225 Difference]: With dead ends: 33 [2021-10-11 02:27:17,565 INFO L226 Difference]: Without dead ends: 28 [2021-10-11 02:27:17,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:27:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-11 02:27:17,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-11 02:27:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-11 02:27:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2021-10-11 02:27:17,570 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 9 [2021-10-11 02:27:17,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:17,570 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2021-10-11 02:27:17,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-10-11 02:27:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:17,571 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:17,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:17,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:17,777 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:17,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:17,778 INFO L82 PathProgramCache]: Analyzing trace with hash -708122704, now seen corresponding path program 1 times [2021-10-11 02:27:17,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:17,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059589655] [2021-10-11 02:27:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:18,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:18,253 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:18,303 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:27:18,303 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:18,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:18,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:18 BasicIcfg [2021-10-11 02:27:18,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:18,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:18,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:18,541 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:18,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:37" (3/4) ... [2021-10-11 02:27:18,544 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:27:18,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696664d4-e571-41b3-90d8-637cdf717e03/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:18,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:18,591 INFO L168 Benchmark]: Toolchain (without parser) took 42756.13 ms. Allocated memory was 56.6 MB in the beginning and 136.3 MB in the end (delta: 79.7 MB). Free memory was 33.5 MB in the beginning and 48.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,592 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:18,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.33 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.2 MB in the beginning and 46.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.87 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 44.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,593 INFO L168 Benchmark]: Boogie Preprocessor took 33.21 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 42.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,594 INFO L168 Benchmark]: RCFGBuilder took 893.77 ms. Allocated memory is still 71.3 MB. Free memory was 42.3 MB in the beginning and 32.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,595 INFO L168 Benchmark]: TraceAbstraction took 40970.19 ms. Allocated memory was 71.3 MB in the beginning and 136.3 MB in the end (delta: 65.0 MB). Free memory was 32.5 MB in the beginning and 51.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,595 INFO L168 Benchmark]: Witness Printer took 49.32 ms. Allocated memory is still 136.3 MB. Free memory was 51.8 MB in the beginning and 48.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.33 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.2 MB in the beginning and 46.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.87 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 44.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.21 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 42.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 893.77 ms. Allocated memory is still 71.3 MB. Free memory was 42.3 MB in the beginning and 32.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40970.19 ms. Allocated memory was 71.3 MB in the beginning and 136.3 MB in the end (delta: 65.0 MB). Free memory was 32.5 MB in the beginning and 51.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. * Witness Printer took 49.32 ms. Allocated memory is still 136.3 MB. Free memory was 51.8 MB in the beginning and 48.7 MB in the end (delta: 3.1 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 946 VarBasedMoverChecksPositive, 129 VarBasedMoverChecksNegative, 92 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 84 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 37.7s, 92 PlacesBefore, 25 PlacesAfterwards, 97 TransitionsBefore, 29 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 85 TotalNumberOfCompositions, 2816 MoverChecksTotal - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L700] 0 pthread_t id; [L701] 0 int i = 0; [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={2013003794:0}, arg={-134479850:0}, mutex1={-262114:0}, mutex2={-262142:0}] [L693] 1 int *p = (int *) arg; [L695] EXPR 1 \read(*p) [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={2013003794:0}, arg={-134479850:0}, arg={-134479850:0}, mutex1={-262114:0}, mutex2={-262142:0}, p={-134479850:0}] [L704] 0 \read(i) [L684] COND TRUE 0 !(cond) [L684] 0 reach_error() VAL [__global_lock={2013003794:0}, arg={-134479850:0}, arg={-134479850:0}, mutex1={-262114:0}, mutex2={-262142:0}, p={-134479850:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 37.7s, HoareTripleCheckerStatistics: 24 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 38 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 6 QuantifiedInterpolants, 1776 SizeOfPredicates, 11 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...