./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 00:58:39,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 00:58:39,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 00:58:39,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 00:58:39,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 00:58:39,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 00:58:39,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 00:58:39,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 00:58:39,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 00:58:39,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 00:58:39,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 00:58:39,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 00:58:39,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 00:58:39,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 00:58:39,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 00:58:39,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 00:58:39,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 00:58:39,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 00:58:39,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 00:58:39,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 00:58:39,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 00:58:39,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 00:58:39,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 00:58:39,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 00:58:39,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 00:58:39,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 00:58:39,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 00:58:39,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 00:58:39,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 00:58:39,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 00:58:39,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 00:58:39,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 00:58:39,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 00:58:39,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 00:58:39,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 00:58:39,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 00:58:39,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 00:58:39,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 00:58:39,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 00:58:39,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 00:58:39,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 00:58:39,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-09-01 00:58:39,495 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 00:58:39,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 00:58:39,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 00:58:39,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 00:58:39,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 00:58:39,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 00:58:39,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 00:58:39,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 00:58:39,497 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 00:58:39,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 00:58:39,498 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 00:58:39,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 00:58:39,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 00:58:39,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-09-01 00:58:39,500 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 00:58:39,500 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 00:58:39,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 00:58:39,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 00:58:39,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 00:58:39,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 00:58:39,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 00:58:39,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 00:58:39,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 00:58:39,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 00:58:39,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 00:58:39,501 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 00:58:39,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 00:58:39,502 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 00:58:39,502 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 00:58:39,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 00:58:39,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 00:58:39,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 00:58:39,768 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 00:58:39,768 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 00:58:39,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-09-01 00:58:40,929 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 00:58:41,145 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 00:58:41,145 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-09-01 00:58:41,169 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cd5f3e8/5c1e42cdda154f3cbde7b192c6b4954f/FLAG24b743ee9 [2023-09-01 00:58:41,187 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cd5f3e8/5c1e42cdda154f3cbde7b192c6b4954f [2023-09-01 00:58:41,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 00:58:41,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 00:58:41,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 00:58:41,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 00:58:41,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 00:58:41,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:58:41" (1/1) ... [2023-09-01 00:58:41,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5feb94d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:41, skipping insertion in model container [2023-09-01 00:58:41,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:58:41" (1/1) ... [2023-09-01 00:58:41,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 00:58:41,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 00:58:41,563 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-09-01 00:58:41,578 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:41,578 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:41,579 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:41,580 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:41,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 00:58:41,682 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-09-01 00:58:41,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bf5454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:41, skipping insertion in model container [2023-09-01 00:58:41,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 00:58:41,684 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-09-01 00:58:41,685 INFO L158 Benchmark]: Toolchain (without parser) took 494.58ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 53.7MB in the end (delta: -1.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-09-01 00:58:41,686 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 00:58:41,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.68ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 54.0MB in the end (delta: -2.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-09-01 00:58:41,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.68ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 54.0MB in the end (delta: -2.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 00:58:43,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 00:58:43,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 00:58:43,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 00:58:43,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 00:58:43,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 00:58:43,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 00:58:43,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 00:58:43,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 00:58:43,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 00:58:43,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 00:58:43,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 00:58:43,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 00:58:43,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 00:58:43,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 00:58:43,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 00:58:43,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 00:58:43,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 00:58:43,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 00:58:43,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 00:58:43,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 00:58:43,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 00:58:43,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 00:58:43,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 00:58:43,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 00:58:43,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 00:58:43,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 00:58:43,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 00:58:43,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 00:58:43,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 00:58:43,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 00:58:43,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 00:58:43,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 00:58:43,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 00:58:43,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 00:58:43,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 00:58:43,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 00:58:43,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 00:58:43,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 00:58:43,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 00:58:43,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 00:58:43,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-09-01 00:58:43,233 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 00:58:43,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 00:58:43,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 00:58:43,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 00:58:43,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 00:58:43,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 00:58:43,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 00:58:43,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 00:58:43,235 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 00:58:43,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 00:58:43,235 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 00:58:43,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 00:58:43,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 00:58:43,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 00:58:43,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 00:58:43,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-09-01 00:58:43,237 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 00:58:43,238 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 00:58:43,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 00:58:43,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 00:58:43,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 00:58:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 00:58:43,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 00:58:43,239 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-09-01 00:58:43,240 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 00:58:43,240 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 00:58:43,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 00:58:43,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 00:58:43,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 00:58:43,606 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 00:58:43,606 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 00:58:43,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-09-01 00:58:44,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 00:58:44,778 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 00:58:44,779 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-09-01 00:58:44,790 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12f716f/2aca40b195cf4b3d881cae0baa99df2a/FLAGfc409b7ee [2023-09-01 00:58:44,815 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12f716f/2aca40b195cf4b3d881cae0baa99df2a [2023-09-01 00:58:44,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 00:58:44,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 00:58:44,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 00:58:44,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 00:58:44,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 00:58:44,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:58:44" (1/1) ... [2023-09-01 00:58:44,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a71031a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:44, skipping insertion in model container [2023-09-01 00:58:44,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:58:44" (1/1) ... [2023-09-01 00:58:44,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 00:58:44,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 00:58:45,205 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-09-01 00:58:45,215 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,215 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,215 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,216 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 00:58:45,256 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-09-01 00:58:45,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 00:58:45,292 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-09-01 00:58:45,294 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,294 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,295 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,295 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 00:58:45,312 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 00:58:45,329 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-09-01 00:58:45,331 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,331 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,332 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,332 WARN L1562 CHandler]: Possible shadowing of function new [2023-09-01 00:58:45,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 00:58:45,393 INFO L208 MainTranslator]: Completed translation [2023-09-01 00:58:45,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45 WrapperNode [2023-09-01 00:58:45,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 00:58:45,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 00:58:45,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 00:58:45,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 00:58:45,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,441 INFO L138 Inliner]: procedures = 282, calls = 64, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 301 [2023-09-01 00:58:45,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 00:58:45,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 00:58:45,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 00:58:45,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 00:58:45,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 00:58:45,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 00:58:45,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 00:58:45,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 00:58:45,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (1/1) ... [2023-09-01 00:58:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 00:58:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 00:58:45,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-01 00:58:45,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-01 00:58:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-09-01 00:58:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 00:58:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-01 00:58:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-09-01 00:58:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-09-01 00:58:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 00:58:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-09-01 00:58:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-09-01 00:58:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-09-01 00:58:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-09-01 00:58:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-09-01 00:58:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 00:58:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 00:58:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 00:58:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-01 00:58:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 00:58:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 00:58:45,603 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 00:58:45,782 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 00:58:45,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 00:58:46,426 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 00:58:46,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 00:58:46,437 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-09-01 00:58:46,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:58:46 BoogieIcfgContainer [2023-09-01 00:58:46,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 00:58:46,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 00:58:46,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 00:58:46,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 00:58:46,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 12:58:44" (1/3) ... [2023-09-01 00:58:46,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 12:58:46, skipping insertion in model container [2023-09-01 00:58:46,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:58:45" (2/3) ... [2023-09-01 00:58:46,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 12:58:46, skipping insertion in model container [2023-09-01 00:58:46,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:58:46" (3/3) ... [2023-09-01 00:58:46,449 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2023-09-01 00:58:46,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 00:58:46,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2023-09-01 00:58:46,462 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 00:58:46,595 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-01 00:58:46,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 359 transitions, 740 flow [2023-09-01 00:58:46,804 INFO L130 PetriNetUnfolder]: 77/591 cut-off events. [2023-09-01 00:58:46,805 INFO L131 PetriNetUnfolder]: For 8/13 co-relation queries the response was YES. [2023-09-01 00:58:46,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 591 events. 77/591 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3174 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 299. Up to 8 conditions per place. [2023-09-01 00:58:46,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 318 places, 359 transitions, 740 flow [2023-09-01 00:58:46,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 298 places, 339 transitions, 700 flow [2023-09-01 00:58:46,836 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 00:58:46,847 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 339 transitions, 700 flow [2023-09-01 00:58:46,850 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 339 transitions, 700 flow [2023-09-01 00:58:46,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 339 transitions, 700 flow [2023-09-01 00:58:46,933 INFO L130 PetriNetUnfolder]: 77/571 cut-off events. [2023-09-01 00:58:46,933 INFO L131 PetriNetUnfolder]: For 8/13 co-relation queries the response was YES. [2023-09-01 00:58:46,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 571 events. 77/571 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2977 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 299. Up to 8 conditions per place. [2023-09-01 00:58:46,954 INFO L119 LiptonReduction]: Number of co-enabled transitions 41976 [2023-09-01 00:59:29,724 WARN L222 SmtUtils]: Spent 14.84s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 00:59:44,218 WARN L222 SmtUtils]: Spent 14.49s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 00:59:58,923 WARN L222 SmtUtils]: Spent 14.70s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:00:10,242 WARN L222 SmtUtils]: Spent 11.32s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:00:46,764 WARN L222 SmtUtils]: Spent 35.38s on a formula simplification. DAG size of input: 187 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:01:04,308 WARN L222 SmtUtils]: Spent 17.54s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:01:45,330 WARN L222 SmtUtils]: Spent 41.02s on a formula simplification. DAG size of input: 187 DAG size of output: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:02:03,890 WARN L222 SmtUtils]: Spent 18.56s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:04:20,372 WARN L222 SmtUtils]: Spent 2.27m on a formula simplification. DAG size of input: 228 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:05:25,911 WARN L222 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:08:20,450 WARN L222 SmtUtils]: Spent 2.91m on a formula simplification. DAG size of input: 233 DAG size of output: 226 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:09:37,203 WARN L222 SmtUtils]: Spent 1.28m on a formula simplification that was a NOOP. DAG size: 218 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 01:09:37,207 INFO L134 LiptonReduction]: Checked pairs total: 94254 [2023-09-01 01:09:37,207 INFO L136 LiptonReduction]: Total number of compositions: 275 [2023-09-01 01:09:37,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-09-01 01:09:37,224 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f09944c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 01:09:37,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-09-01 01:09:37,232 INFO L130 PetriNetUnfolder]: 2/33 cut-off events. [2023-09-01 01:09:37,232 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 01:09:37,233 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:09:37,233 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2023-09-01 01:09:37,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:09:37,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:09:37,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2103628188, now seen corresponding path program 1 times [2023-09-01 01:09:37,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:09:37,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341574886] [2023-09-01 01:09:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 01:09:37,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:37,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:09:37,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:09:37,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-09-01 01:09:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 01:09:37,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-09-01 01:09:37,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:09:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:37,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-01 01:09:37,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:09:37,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341574886] [2023-09-01 01:09:37,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341574886] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 01:09:37,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 01:09:37,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 01:09:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893197911] [2023-09-01 01:09:37,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 01:09:37,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 01:09:37,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:09:37,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 01:09:37,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 01:09:37,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 634 [2023-09-01 01:09:37,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 133 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:37,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:09:37,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 634 [2023-09-01 01:09:37,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:09:40,922 INFO L130 PetriNetUnfolder]: 19614/34741 cut-off events. [2023-09-01 01:09:40,923 INFO L131 PetriNetUnfolder]: For 261/261 co-relation queries the response was YES. [2023-09-01 01:09:40,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63510 conditions, 34741 events. 19614/34741 cut-off events. For 261/261 co-relation queries the response was YES. Maximal size of possible extension queue 1323. Compared 301529 event pairs, 17169 based on Foata normal form. 2376/22765 useless extension candidates. Maximal degree in co-relation 61285. Up to 28611 conditions per place. [2023-09-01 01:09:41,003 INFO L137 encePairwiseOnDemand]: 609/634 looper letters, 67 selfloop transitions, 2 changer transitions 18/114 dead transitions. [2023-09-01 01:09:41,004 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 114 transitions, 420 flow [2023-09-01 01:09:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 01:09:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 01:09:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2023-09-01 01:09:41,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5504731861198738 [2023-09-01 01:09:41,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1047 transitions. [2023-09-01 01:09:41,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1047 transitions. [2023-09-01 01:09:41,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:09:41,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1047 transitions. [2023-09-01 01:09:41,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:41,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 634.0) internal successors, (2536), 4 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:41,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 634.0) internal successors, (2536), 4 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:41,029 INFO L175 Difference]: Start difference. First operand has 106 places, 133 transitions, 288 flow. Second operand 3 states and 1047 transitions. [2023-09-01 01:09:41,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 114 transitions, 420 flow [2023-09-01 01:09:41,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 114 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-09-01 01:09:41,035 INFO L231 Difference]: Finished difference. Result has 107 places, 94 transitions, 208 flow [2023-09-01 01:09:41,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=107, PETRI_TRANSITIONS=94} [2023-09-01 01:09:41,038 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 1 predicate places. [2023-09-01 01:09:41,038 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 94 transitions, 208 flow [2023-09-01 01:09:41,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:41,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:09:41,039 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 01:09:41,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-09-01 01:09:41,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:41,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:09:41,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:09:41,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1950225648, now seen corresponding path program 1 times [2023-09-01 01:09:41,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:09:41,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011773906] [2023-09-01 01:09:41,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 01:09:41,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:41,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:09:41,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:09:41,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-09-01 01:09:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 01:09:41,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-09-01 01:09:41,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:09:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:41,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-01 01:09:41,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:09:41,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011773906] [2023-09-01 01:09:41,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011773906] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 01:09:41,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 01:09:41,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 01:09:41,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280757647] [2023-09-01 01:09:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 01:09:41,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 01:09:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:09:41,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 01:09:41,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 01:09:41,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 634 [2023-09-01 01:09:41,414 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 94 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:41,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:09:41,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 634 [2023-09-01 01:09:41,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:09:42,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:09:43,743 INFO L130 PetriNetUnfolder]: 6984/12699 cut-off events. [2023-09-01 01:09:43,744 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-09-01 01:09:43,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23147 conditions, 12699 events. 6984/12699 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 97442 event pairs, 6099 based on Foata normal form. 2/7708 useless extension candidates. Maximal degree in co-relation 23128. Up to 10382 conditions per place. [2023-09-01 01:09:43,770 INFO L137 encePairwiseOnDemand]: 631/634 looper letters, 66 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-09-01 01:09:43,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 346 flow [2023-09-01 01:09:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 01:09:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 01:09:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1007 transitions. [2023-09-01 01:09:43,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5294426919032598 [2023-09-01 01:09:43,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1007 transitions. [2023-09-01 01:09:43,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1007 transitions. [2023-09-01 01:09:43,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:09:43,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1007 transitions. [2023-09-01 01:09:43,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:43,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 634.0) internal successors, (2536), 4 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:43,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 634.0) internal successors, (2536), 4 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:43,779 INFO L175 Difference]: Start difference. First operand has 107 places, 94 transitions, 208 flow. Second operand 3 states and 1007 transitions. [2023-09-01 01:09:43,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 346 flow [2023-09-01 01:09:43,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 95 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 01:09:43,781 INFO L231 Difference]: Finished difference. Result has 95 places, 95 transitions, 220 flow [2023-09-01 01:09:43,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=95, PETRI_TRANSITIONS=95} [2023-09-01 01:09:43,782 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -11 predicate places. [2023-09-01 01:09:43,783 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 95 transitions, 220 flow [2023-09-01 01:09:43,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:43,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:09:43,783 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 01:09:43,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-09-01 01:09:43,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:43,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:09:43,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:09:43,992 INFO L85 PathProgramCache]: Analyzing trace with hash -470535465, now seen corresponding path program 1 times [2023-09-01 01:09:43,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:09:43,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557503928] [2023-09-01 01:09:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 01:09:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:09:43,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:09:43,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-09-01 01:09:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 01:09:44,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2023-09-01 01:09:44,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:09:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:44,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 01:09:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:44,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:09:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557503928] [2023-09-01 01:09:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557503928] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 01:09:44,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-09-01 01:09:44,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-09-01 01:09:44,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117992224] [2023-09-01 01:09:44,231 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-09-01 01:09:44,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 01:09:44,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:09:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 01:09:44,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-09-01 01:09:44,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 634 [2023-09-01 01:09:44,273 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 95 transitions, 220 flow. Second operand has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:44,274 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:09:44,274 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 634 [2023-09-01 01:09:44,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:09:45,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:09:47,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:09:48,913 INFO L130 PetriNetUnfolder]: 6984/12705 cut-off events. [2023-09-01 01:09:48,913 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-09-01 01:09:48,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23175 conditions, 12705 events. 6984/12705 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 97468 event pairs, 6099 based on Foata normal form. 6/7718 useless extension candidates. Maximal degree in co-relation 23135. Up to 10382 conditions per place. [2023-09-01 01:09:48,968 INFO L137 encePairwiseOnDemand]: 631/634 looper letters, 66 selfloop transitions, 5 changer transitions 0/98 dead transitions. [2023-09-01 01:09:48,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 374 flow [2023-09-01 01:09:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 01:09:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 01:09:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1945 transitions. [2023-09-01 01:09:48,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5113038906414301 [2023-09-01 01:09:48,974 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1945 transitions. [2023-09-01 01:09:48,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1945 transitions. [2023-09-01 01:09:48,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:09:48,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1945 transitions. [2023-09-01 01:09:48,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:48,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 634.0) internal successors, (4438), 7 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:48,985 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 634.0) internal successors, (4438), 7 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:48,985 INFO L175 Difference]: Start difference. First operand has 95 places, 95 transitions, 220 flow. Second operand 6 states and 1945 transitions. [2023-09-01 01:09:48,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 374 flow [2023-09-01 01:09:48,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 98 transitions, 370 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-09-01 01:09:48,988 INFO L231 Difference]: Finished difference. Result has 102 places, 98 transitions, 258 flow [2023-09-01 01:09:48,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=258, PETRI_PLACES=102, PETRI_TRANSITIONS=98} [2023-09-01 01:09:48,989 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2023-09-01 01:09:48,989 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 98 transitions, 258 flow [2023-09-01 01:09:48,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:48,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:09:48,990 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 01:09:49,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-09-01 01:09:49,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:49,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:09:49,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:09:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1077291344, now seen corresponding path program 2 times [2023-09-01 01:09:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:09:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865786553] [2023-09-01 01:09:49,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-01 01:09:49,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:09:49,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:09:49,204 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:09:49,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-09-01 01:09:49,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-01 01:09:49,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 01:09:49,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-01 01:09:49,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:09:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:49,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 01:09:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-01 01:09:50,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:09:50,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865786553] [2023-09-01 01:09:50,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865786553] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 01:09:50,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-09-01 01:09:50,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-09-01 01:09:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551651858] [2023-09-01 01:09:50,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-09-01 01:09:50,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 01:09:50,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:09:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 01:09:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-09-01 01:09:50,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 634 [2023-09-01 01:09:50,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 98 transitions, 258 flow. Second operand has 12 states, 12 states have (on average 313.4166666666667) internal successors, (3761), 12 states have internal predecessors, (3761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:09:50,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:09:50,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 634 [2023-09-01 01:09:50,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:09:54,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:09:55,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:03,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:05,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:07,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:08,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:09,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:12,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:14,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:16,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:18,380 INFO L130 PetriNetUnfolder]: 6984/12717 cut-off events. [2023-09-01 01:10:18,380 INFO L131 PetriNetUnfolder]: For 102/102 co-relation queries the response was YES. [2023-09-01 01:10:18,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23246 conditions, 12717 events. 6984/12717 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 97440 event pairs, 6099 based on Foata normal form. 12/7736 useless extension candidates. Maximal degree in co-relation 23131. Up to 10382 conditions per place. [2023-09-01 01:10:18,427 INFO L137 encePairwiseOnDemand]: 631/634 looper letters, 66 selfloop transitions, 11 changer transitions 0/104 dead transitions. [2023-09-01 01:10:18,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 104 transitions, 448 flow [2023-09-01 01:10:18,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 01:10:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 01:10:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3826 transitions. [2023-09-01 01:10:18,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5028916929547844 [2023-09-01 01:10:18,435 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3826 transitions. [2023-09-01 01:10:18,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3826 transitions. [2023-09-01 01:10:18,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:10:18,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3826 transitions. [2023-09-01 01:10:18,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 318.8333333333333) internal successors, (3826), 12 states have internal predecessors, (3826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:18,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 634.0) internal successors, (8242), 13 states have internal predecessors, (8242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:18,453 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 634.0) internal successors, (8242), 13 states have internal predecessors, (8242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:18,453 INFO L175 Difference]: Start difference. First operand has 102 places, 98 transitions, 258 flow. Second operand 12 states and 3826 transitions. [2023-09-01 01:10:18,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 104 transitions, 448 flow [2023-09-01 01:10:18,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 104 transitions, 434 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-09-01 01:10:18,456 INFO L231 Difference]: Finished difference. Result has 118 places, 104 transitions, 340 flow [2023-09-01 01:10:18,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=340, PETRI_PLACES=118, PETRI_TRANSITIONS=104} [2023-09-01 01:10:18,457 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 12 predicate places. [2023-09-01 01:10:18,457 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 104 transitions, 340 flow [2023-09-01 01:10:18,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 313.4166666666667) internal successors, (3761), 12 states have internal predecessors, (3761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:18,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:10:18,459 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 01:10:18,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-09-01 01:10:18,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:10:18,674 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:10:18,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:10:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2034734416, now seen corresponding path program 3 times [2023-09-01 01:10:18,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:10:18,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243841533] [2023-09-01 01:10:18,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-01 01:10:18,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:10:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:10:18,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:10:18,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-09-01 01:10:18,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-09-01 01:10:18,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 01:10:18,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-09-01 01:10:18,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:10:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-01 01:10:19,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 01:10:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-01 01:10:19,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:10:19,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243841533] [2023-09-01 01:10:19,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243841533] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 01:10:19,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-09-01 01:10:19,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-09-01 01:10:19,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550311317] [2023-09-01 01:10:19,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-09-01 01:10:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 01:10:19,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:10:19,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 01:10:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-09-01 01:10:19,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 634 [2023-09-01 01:10:19,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 104 transitions, 340 flow. Second operand has 6 states, 6 states have (on average 314.1666666666667) internal successors, (1885), 6 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:19,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:10:19,175 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 634 [2023-09-01 01:10:19,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:10:21,621 INFO L130 PetriNetUnfolder]: 6992/12808 cut-off events. [2023-09-01 01:10:21,622 INFO L131 PetriNetUnfolder]: For 184/184 co-relation queries the response was YES. [2023-09-01 01:10:21,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23501 conditions, 12808 events. 6992/12808 cut-off events. For 184/184 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 98210 event pairs, 6099 based on Foata normal form. 3/7770 useless extension candidates. Maximal degree in co-relation 23194. Up to 10376 conditions per place. [2023-09-01 01:10:21,659 INFO L137 encePairwiseOnDemand]: 630/634 looper letters, 110 selfloop transitions, 6 changer transitions 0/143 dead transitions. [2023-09-01 01:10:21,659 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 143 transitions, 921 flow [2023-09-01 01:10:21,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 01:10:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 01:10:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1951 transitions. [2023-09-01 01:10:21,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5128811777076762 [2023-09-01 01:10:21,663 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1951 transitions. [2023-09-01 01:10:21,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1951 transitions. [2023-09-01 01:10:21,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:10:21,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1951 transitions. [2023-09-01 01:10:21,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 325.1666666666667) internal successors, (1951), 6 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:21,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 634.0) internal successors, (4438), 7 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:21,670 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 634.0) internal successors, (4438), 7 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:21,670 INFO L175 Difference]: Start difference. First operand has 118 places, 104 transitions, 340 flow. Second operand 6 states and 1951 transitions. [2023-09-01 01:10:21,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 143 transitions, 921 flow [2023-09-01 01:10:21,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 143 transitions, 727 flow, removed 76 selfloop flow, removed 5 redundant places. [2023-09-01 01:10:21,674 INFO L231 Difference]: Finished difference. Result has 122 places, 107 transitions, 375 flow [2023-09-01 01:10:21,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=375, PETRI_PLACES=122, PETRI_TRANSITIONS=107} [2023-09-01 01:10:21,675 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 16 predicate places. [2023-09-01 01:10:21,675 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 107 transitions, 375 flow [2023-09-01 01:10:21,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.1666666666667) internal successors, (1885), 6 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:21,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:10:21,676 INFO L208 CegarLoopForPetriNet]: trace histogram [40, 4, 4, 2, 1, 1, 1, 1, 1] [2023-09-01 01:10:21,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-09-01 01:10:21,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:10:21,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:10:21,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:10:21,885 INFO L85 PathProgramCache]: Analyzing trace with hash 264391788, now seen corresponding path program 4 times [2023-09-01 01:10:21,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:10:21,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806299102] [2023-09-01 01:10:21,886 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-01 01:10:21,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:10:21,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:10:21,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:10:21,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-09-01 01:10:28,379 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-01 01:10:28,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 01:10:28,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 6707 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-01 01:10:28,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 01:10:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 367 proven. 55 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2023-09-01 01:10:28,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 01:10:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 367 proven. 55 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2023-09-01 01:10:29,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 01:10:29,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806299102] [2023-09-01 01:10:29,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806299102] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 01:10:29,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-09-01 01:10:29,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2023-09-01 01:10:29,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707936979] [2023-09-01 01:10:29,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-09-01 01:10:29,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-09-01 01:10:29,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 01:10:29,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-09-01 01:10:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-09-01 01:10:30,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 634 [2023-09-01 01:10:30,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 107 transitions, 375 flow. Second operand has 24 states, 24 states have (on average 313.3333333333333) internal successors, (7520), 24 states have internal predecessors, (7520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:10:30,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 01:10:30,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 634 [2023-09-01 01:10:30,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 01:10:34,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:37,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:45,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:47,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:49,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:52,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:53,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:54,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:56,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:10:57,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:00,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:04,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:05,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:07,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:09,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:11,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:13,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:14,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:15,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:16,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:18,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:20,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:21,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:25,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:27,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:29,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:34,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:37,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:44,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:50,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:11:54,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:12:04,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:12:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-09-01 01:12:16,674 INFO L130 PetriNetUnfolder]: 6992/12856 cut-off events. [2023-09-01 01:12:16,675 INFO L131 PetriNetUnfolder]: For 3510/3510 co-relation queries the response was YES. [2023-09-01 01:12:16,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23617 conditions, 12856 events. 6992/12856 cut-off events. For 3510/3510 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 98295 event pairs, 6099 based on Foata normal form. 48/7863 useless extension candidates. Maximal degree in co-relation 23199. Up to 10388 conditions per place. [2023-09-01 01:12:16,712 INFO L137 encePairwiseOnDemand]: 631/634 looper letters, 68 selfloop transitions, 24 changer transitions 0/119 dead transitions. [2023-09-01 01:12:16,712 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 119 transitions, 631 flow [2023-09-01 01:12:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-01 01:12:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-09-01 01:12:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7588 transitions. [2023-09-01 01:12:16,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4986855941114616 [2023-09-01 01:12:16,722 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 7588 transitions. [2023-09-01 01:12:16,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 7588 transitions. [2023-09-01 01:12:16,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 01:12:16,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7588 transitions. [2023-09-01 01:12:16,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 316.1666666666667) internal successors, (7588), 24 states have internal predecessors, (7588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:12:16,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 634.0) internal successors, (15850), 25 states have internal predecessors, (15850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:12:16,747 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 634.0) internal successors, (15850), 25 states have internal predecessors, (15850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:12:16,747 INFO L175 Difference]: Start difference. First operand has 122 places, 107 transitions, 375 flow. Second operand 24 states and 7588 transitions. [2023-09-01 01:12:16,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 119 transitions, 631 flow [2023-09-01 01:12:16,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 119 transitions, 623 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-09-01 01:12:16,750 INFO L231 Difference]: Finished difference. Result has 156 places, 119 transitions, 609 flow [2023-09-01 01:12:16,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=634, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=609, PETRI_PLACES=156, PETRI_TRANSITIONS=119} [2023-09-01 01:12:16,751 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 50 predicate places. [2023-09-01 01:12:16,751 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 119 transitions, 609 flow [2023-09-01 01:12:16,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 313.3333333333333) internal successors, (7520), 24 states have internal predecessors, (7520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 01:12:16,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 01:12:16,753 INFO L208 CegarLoopForPetriNet]: trace histogram [88, 4, 4, 2, 1, 1, 1, 1, 1] [2023-09-01 01:12:16,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-09-01 01:12:16,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:12:16,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-01 01:12:16,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 01:12:16,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1989315948, now seen corresponding path program 5 times [2023-09-01 01:12:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 01:12:16,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566966065] [2023-09-01 01:12:16,972 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-01 01:12:16,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-09-01 01:12:16,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 01:12:16,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-09-01 01:12:16,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process Killed by 15