./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8 --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:26:39,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:26:39,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:26:39,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:26:39,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:26:39,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:26:39,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:26:39,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:26:39,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:26:39,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:26:39,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:26:39,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:26:39,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:26:39,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:26:39,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:26:39,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:26:39,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:26:39,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:26:39,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:26:39,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:26:39,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:26:39,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:26:39,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:26:39,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:26:39,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:26:39,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:26:39,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:26:39,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:26:39,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:26:39,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:26:39,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:26:39,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:26:39,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:26:39,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:26:39,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:26:39,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:26:39,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:26:39,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:26:39,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:26:39,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:26:39,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:26:39,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 21:26:39,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:26:39,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:26:39,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:26:39,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:26:39,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:26:39,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:26:39,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:26:39,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:26:39,402 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:26:39,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:26:39,402 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:26:39,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:26:39,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:26:39,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:26:39,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:26:39,404 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 21:26:39,404 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 21:26:39,404 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 21:26:39,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:26:39,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:26:39,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:26:39,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:26:39,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:26:39,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:26:39,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:26:39,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:26:39,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:26:39,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:26:39,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:26:39,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:26:39,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:26:39,407 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:26:39,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:26:39,407 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:26:39,407 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2022-12-13 21:26:39,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:26:39,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:26:39,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:26:39,594 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:26:39,595 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:26:39,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-12-13 21:26:42,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:26:42,360 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:26:42,361 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-12-13 21:26:42,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/fb19c96f1/252349b13cca4442a8b92fcfffeb509c/FLAGd5435b2f6 [2022-12-13 21:26:42,734 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/fb19c96f1/252349b13cca4442a8b92fcfffeb509c [2022-12-13 21:26:42,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:26:42,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:26:42,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:26:42,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:26:42,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:26:42,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:42" (1/1) ... [2022-12-13 21:26:42,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f39ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:42, skipping insertion in model container [2022-12-13 21:26:42,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:42" (1/1) ... [2022-12-13 21:26:42,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:26:42,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:26:43,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-12-13 21:26:43,129 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:43,129 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:43,130 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:43,130 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:43,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:26:43,176 ERROR L326 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) [2022-12-13 21:26:43,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f0eae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:43, skipping insertion in model container [2022-12-13 21:26:43,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:26:43,177 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 21:26:43,178 INFO L158 Benchmark]: Toolchain (without parser) took 441.06ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 78.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:26:43,179 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:26:43,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.45ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 78.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:26:43,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.45ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 78.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8 --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:26:44,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:26:44,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:26:44,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:26:44,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:26:44,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:26:44,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:26:44,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:26:44,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:26:44,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:26:44,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:26:44,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:26:44,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:26:44,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:26:44,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:26:44,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:26:44,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:26:44,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:26:44,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:26:44,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:26:44,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:26:44,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:26:44,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:26:44,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:26:44,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:26:44,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:26:44,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:26:44,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:26:44,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:26:44,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:26:44,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:26:44,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:26:44,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:26:44,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:26:44,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:26:44,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:26:44,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:26:44,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:26:44,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:26:44,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:26:44,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:26:44,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-12-13 21:26:44,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:26:44,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:26:44,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:26:44,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:26:44,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:26:44,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:26:44,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:26:44,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 21:26:44,960 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:26:44,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:26:44,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:26:44,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:26:44,962 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:26:44,962 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2022-12-13 21:26:45,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:26:45,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:26:45,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:26:45,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:26:45,199 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:26:45,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-12-13 21:26:47,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:26:48,053 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:26:48,053 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-12-13 21:26:48,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/fb019c098/bcd15786ba3e4c189ef37c66fb89dd5e/FLAG169c08b6a [2022-12-13 21:26:48,080 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/data/fb019c098/bcd15786ba3e4c189ef37c66fb89dd5e [2022-12-13 21:26:48,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:26:48,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:26:48,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:26:48,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:26:48,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:26:48,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f72681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48, skipping insertion in model container [2022-12-13 21:26:48,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:26:48,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:26:48,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-12-13 21:26:48,523 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,523 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,524 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,524 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:26:48,573 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 21:26:48,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:26:48,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-12-13 21:26:48,607 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,607 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,607 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,607 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:26:48,623 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:26:48,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-12-13 21:26:48,644 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,644 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,645 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,645 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 21:26:48,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:26:48,725 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:26:48,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48 WrapperNode [2022-12-13 21:26:48,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:26:48,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:26:48,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:26:48,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:26:48,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,791 INFO L138 Inliner]: procedures = 282, calls = 64, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 297 [2022-12-13 21:26:48,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:26:48,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:26:48,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:26:48,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:26:48,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:26:48,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:26:48,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:26:48,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:26:48,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (1/1) ... [2022-12-13 21:26:48,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:26:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:26:48,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:26:48,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:26:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:26:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:26:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-12-13 21:26:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-12-13 21:26:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 21:26:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:26:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:26:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:26:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:26:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:26:48,910 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 21:26:49,052 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:26:49,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:26:49,824 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:26:49,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:26:49,830 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-12-13 21:26:49,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:26:49 BoogieIcfgContainer [2022-12-13 21:26:49,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:26:49,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:26:49,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:26:49,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:26:49,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:26:48" (1/3) ... [2022-12-13 21:26:49,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c874c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:26:49, skipping insertion in model container [2022-12-13 21:26:49,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:48" (2/3) ... [2022-12-13 21:26:49,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c874c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:26:49, skipping insertion in model container [2022-12-13 21:26:49,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:26:49" (3/3) ... [2022-12-13 21:26:49,841 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2022-12-13 21:26:49,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:26:49,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2022-12-13 21:26:49,858 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:26:49,970 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-13 21:26:50,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,180 INFO L130 PetriNetUnfolder]: 77/612 cut-off events. [2022-12-13 21:26:50,180 INFO L131 PetriNetUnfolder]: For 8/14 co-relation queries the response was YES. [2022-12-13 21:26:50,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 612 events. 77/612 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3288 event pairs, 0 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 305. Up to 8 conditions per place. [2022-12-13 21:26:50,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,216 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:26:50,226 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,229 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 375 transitions, 772 flow [2022-12-13 21:26:50,356 INFO L130 PetriNetUnfolder]: 77/612 cut-off events. [2022-12-13 21:26:50,356 INFO L131 PetriNetUnfolder]: For 8/14 co-relation queries the response was YES. [2022-12-13 21:26:50,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 612 events. 77/612 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3288 event pairs, 0 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 305. Up to 8 conditions per place. [2022-12-13 21:26:50,388 INFO L119 LiptonReduction]: Number of co-enabled transitions 43632 [2022-12-13 21:28:31,834 WARN L233 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:28:40,588 WARN L233 SmtUtils]: Spent 8.75s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:28:49,351 WARN L233 SmtUtils]: Spent 8.76s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:29:31,107 WARN L233 SmtUtils]: Spent 24.12s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:29:55,083 WARN L233 SmtUtils]: Spent 23.97s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:30:20,420 WARN L233 SmtUtils]: Spent 25.34s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:30:41,936 WARN L233 SmtUtils]: Spent 21.51s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:30:52,019 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:31:09,357 WARN L233 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:31:14,680 WARN L233 SmtUtils]: Spent 5.32s 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) [2022-12-13 21:31:24,423 WARN L233 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:31:38,893 WARN L233 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:31:53,126 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:31:58,442 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:32:05,806 WARN L233 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:32:20,116 WARN L233 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:32:35,276 WARN L233 SmtUtils]: Spent 10.40s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:32:40,594 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:35:28,200 WARN L233 SmtUtils]: Spent 2.78m on a formula simplification. DAG size of input: 230 DAG size of output: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:36:46,924 WARN L233 SmtUtils]: Spent 1.31m 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) [2022-12-13 21:39:30,359 WARN L233 SmtUtils]: Spent 2.72m on a formula simplification. DAG size of input: 230 DAG size of output: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 21:40:42,050 WARN L233 SmtUtils]: Spent 1.19m 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) [2022-12-13 21:40:42,752 INFO L134 LiptonReduction]: Checked pairs total: 95596 [2022-12-13 21:40:42,752 INFO L136 LiptonReduction]: Total number of compositions: 357 [2022-12-13 21:40:42,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:40:42,768 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;@35341124, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:40:42,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2022-12-13 21:40:42,770 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-13 21:40:42,770 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:40:42,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:40:42,771 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 21:40:42,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 88 more)] === [2022-12-13 21:40:42,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:40:42,775 INFO L85 PathProgramCache]: Analyzing trace with hash 48862, now seen corresponding path program 1 times [2022-12-13 21:40:42,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:40:42,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228154639] [2022-12-13 21:40:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:40:42,784 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 [2022-12-13 21:40:42,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:40:42,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 21:40:42,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:42,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 21:40:42,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:40:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:40:42,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:40:42,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:40:42,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228154639] [2022-12-13 21:40:42,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228154639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:40:42,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:40:42,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:40:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286556206] [2022-12-13 21:40:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:40:42,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:40:42,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:40:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:40:42,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:40:42,900 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 732 [2022-12-13 21:40:42,902 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 156 transitions, 334 flow. Second operand has 2 states, 2 states have (on average 334.0) internal successors, (668), 2 states have internal predecessors, (668), 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) [2022-12-13 21:40:42,902 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:40:42,902 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 732 [2022-12-13 21:40:42,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:40:47,441 INFO L130 PetriNetUnfolder]: 21312/37977 cut-off events. [2022-12-13 21:40:47,441 INFO L131 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-12-13 21:40:47,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69409 conditions, 37977 events. 21312/37977 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 1571. Compared 341988 event pairs, 18736 based on Foata normal form. 4224/25136 useless extension candidates. Maximal degree in co-relation 67238. Up to 31262 conditions per place. [2022-12-13 21:40:47,615 INFO L137 encePairwiseOnDemand]: 696/732 looper letters, 91 selfloop transitions, 0 changer transitions 0/120 dead transitions. [2022-12-13 21:40:47,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 120 transitions, 444 flow [2022-12-13 21:40:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:40:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:40:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 793 transitions. [2022-12-13 21:40:47,628 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2022-12-13 21:40:47,629 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 793 transitions. [2022-12-13 21:40:47,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 793 transitions. [2022-12-13 21:40:47,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:40:47,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 793 transitions. [2022-12-13 21:40:47,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 396.5) internal successors, (793), 2 states have internal predecessors, (793), 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) [2022-12-13 21:40:47,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 732.0) internal successors, (2196), 3 states have internal predecessors, (2196), 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) [2022-12-13 21:40:47,643 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 732.0) internal successors, (2196), 3 states have internal predecessors, (2196), 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) [2022-12-13 21:40:47,645 INFO L175 Difference]: Start difference. First operand has 128 places, 156 transitions, 334 flow. Second operand 2 states and 793 transitions. [2022-12-13 21:40:47,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 120 transitions, 444 flow [2022-12-13 21:40:47,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 120 transitions, 444 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:40:47,652 INFO L231 Difference]: Finished difference. Result has 114 places, 120 transitions, 262 flow [2022-12-13 21:40:47,653 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=262, PETRI_PLACES=114, PETRI_TRANSITIONS=120} [2022-12-13 21:40:47,656 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, -14 predicate places. [2022-12-13 21:40:47,656 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 120 transitions, 262 flow [2022-12-13 21:40:47,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 334.0) internal successors, (668), 2 states have internal predecessors, (668), 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) [2022-12-13 21:40:47,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:40:47,657 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 21:40:47,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 21:40:47,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:47,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 88 more)] === [2022-12-13 21:40:47,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:40:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash 48864, now seen corresponding path program 1 times [2022-12-13 21:40:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:40:47,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598457104] [2022-12-13 21:40:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:40:47,864 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 [2022-12-13 21:40:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:40:47,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 21:40:47,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:48,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 21:40:48,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:40:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:40:48,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:40:48,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:40:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598457104] [2022-12-13 21:40:48,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598457104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:40:48,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:40:48,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:40:48,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13671944] [2022-12-13 21:40:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:40:48,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:40:48,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:40:48,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:40:48,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:40:48,582 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 732 [2022-12-13 21:40:48,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 120 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 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) [2022-12-13 21:40:48,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:40:48,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 732 [2022-12-13 21:40:48,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:40:52,489 INFO L130 PetriNetUnfolder]: 21315/37984 cut-off events. [2022-12-13 21:40:52,489 INFO L131 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-12-13 21:40:52,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69424 conditions, 37984 events. 21315/37984 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 1571. Compared 341893 event pairs, 18736 based on Foata normal form. 0/20914 useless extension candidates. Maximal degree in co-relation 69419. Up to 31265 conditions per place. [2022-12-13 21:40:52,645 INFO L137 encePairwiseOnDemand]: 723/732 looper letters, 93 selfloop transitions, 5 changer transitions 0/127 dead transitions. [2022-12-13 21:40:52,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 127 transitions, 472 flow [2022-12-13 21:40:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:40:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:40:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1083 transitions. [2022-12-13 21:40:52,650 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4931693989071038 [2022-12-13 21:40:52,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1083 transitions. [2022-12-13 21:40:52,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1083 transitions. [2022-12-13 21:40:52,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:40:52,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1083 transitions. [2022-12-13 21:40:52,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.0) internal successors, (1083), 3 states have internal predecessors, (1083), 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) [2022-12-13 21:40:52,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 732.0) internal successors, (2928), 4 states have internal predecessors, (2928), 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) [2022-12-13 21:40:52,664 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 732.0) internal successors, (2928), 4 states have internal predecessors, (2928), 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) [2022-12-13 21:40:52,664 INFO L175 Difference]: Start difference. First operand has 114 places, 120 transitions, 262 flow. Second operand 3 states and 1083 transitions. [2022-12-13 21:40:52,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 127 transitions, 472 flow [2022-12-13 21:40:52,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 127 transitions, 472 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:40:52,669 INFO L231 Difference]: Finished difference. Result has 117 places, 124 transitions, 301 flow [2022-12-13 21:40:52,669 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=117, PETRI_TRANSITIONS=124} [2022-12-13 21:40:52,670 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, -11 predicate places. [2022-12-13 21:40:52,670 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 124 transitions, 301 flow [2022-12-13 21:40:52,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 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) [2022-12-13 21:40:52,671 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:40:52,671 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 21:40:52,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:52,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:52,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 88 more)] === [2022-12-13 21:40:52,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:40:52,875 INFO L85 PathProgramCache]: Analyzing trace with hash 48860, now seen corresponding path program 1 times [2022-12-13 21:40:52,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:40:52,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807467122] [2022-12-13 21:40:52,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:40:52,878 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 [2022-12-13 21:40:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:40:52,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 21:40:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:52,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 21:40:52,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:40:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:40:52,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:40:52,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:40:52,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807467122] [2022-12-13 21:40:52,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807467122] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:40:52,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:40:52,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:40:52,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322281487] [2022-12-13 21:40:52,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:40:52,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:40:52,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:40:52,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:40:52,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:40:53,390 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 732 [2022-12-13 21:40:53,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 124 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 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) [2022-12-13 21:40:53,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:40:53,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 732 [2022-12-13 21:40:53,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:40:56,868 INFO L130 PetriNetUnfolder]: 19853/34558 cut-off events. [2022-12-13 21:40:56,868 INFO L131 PetriNetUnfolder]: For 233/233 co-relation queries the response was YES. [2022-12-13 21:40:56,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64036 conditions, 34558 events. 19853/34558 cut-off events. For 233/233 co-relation queries the response was YES. Maximal size of possible extension queue 1449. Compared 303733 event pairs, 14038 based on Foata normal form. 2/19158 useless extension candidates. Maximal degree in co-relation 64029. Up to 23463 conditions per place. [2022-12-13 21:40:57,017 INFO L137 encePairwiseOnDemand]: 726/732 looper letters, 140 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-12-13 21:40:57,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 171 transitions, 679 flow [2022-12-13 21:40:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:40:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:40:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2022-12-13 21:40:57,020 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5141165755919854 [2022-12-13 21:40:57,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1129 transitions. [2022-12-13 21:40:57,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1129 transitions. [2022-12-13 21:40:57,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:40:57,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1129 transitions. [2022-12-13 21:40:57,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 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) [2022-12-13 21:40:57,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 732.0) internal successors, (2928), 4 states have internal predecessors, (2928), 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) [2022-12-13 21:40:57,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 732.0) internal successors, (2928), 4 states have internal predecessors, (2928), 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) [2022-12-13 21:40:57,029 INFO L175 Difference]: Start difference. First operand has 117 places, 124 transitions, 301 flow. Second operand 3 states and 1129 transitions. [2022-12-13 21:40:57,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 171 transitions, 679 flow [2022-12-13 21:40:57,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 171 transitions, 674 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:40:57,033 INFO L231 Difference]: Finished difference. Result has 117 places, 122 transitions, 302 flow [2022-12-13 21:40:57,033 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=117, PETRI_TRANSITIONS=122} [2022-12-13 21:40:57,033 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, -11 predicate places. [2022-12-13 21:40:57,033 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 122 transitions, 302 flow [2022-12-13 21:40:57,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 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) [2022-12-13 21:40:57,034 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:40:57,034 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 21:40:57,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 21:40:57,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:57,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 88 more)] === [2022-12-13 21:40:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:40:57,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1517231, now seen corresponding path program 1 times [2022-12-13 21:40:57,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:40:57,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203206675] [2022-12-13 21:40:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:40:57,237 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 [2022-12-13 21:40:57,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:40:57,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 21:40:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:40:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:57,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 21:40:57,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:40:57,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-13 21:40:57,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2022-12-13 21:40:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:40:57,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:40:57,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:40:57,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203206675] [2022-12-13 21:40:57,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203206675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:40:57,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:40:57,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:40:57,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886989613] [2022-12-13 21:40:57,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:40:57,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:40:57,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:40:57,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:40:57,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:40:58,674 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 732 [2022-12-13 21:40:58,675 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 122 transitions, 302 flow. Second operand has 4 states, 4 states have (on average 312.75) internal successors, (1251), 4 states have internal predecessors, (1251), 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) [2022-12-13 21:40:58,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:40:58,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 732 [2022-12-13 21:40:58,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:41:03,478 INFO L130 PetriNetUnfolder]: 19975/35745 cut-off events. [2022-12-13 21:41:03,478 INFO L131 PetriNetUnfolder]: For 946/946 co-relation queries the response was YES. [2022-12-13 21:41:03,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66581 conditions, 35745 events. 19975/35745 cut-off events. For 946/946 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 321053 event pairs, 17479 based on Foata normal form. 0/20849 useless extension candidates. Maximal degree in co-relation 66573. Up to 29293 conditions per place. [2022-12-13 21:41:03,636 INFO L137 encePairwiseOnDemand]: 725/732 looper letters, 91 selfloop transitions, 5 changer transitions 0/125 dead transitions. [2022-12-13 21:41:03,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 125 transitions, 504 flow [2022-12-13 21:41:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:41:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:41:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1347 transitions. [2022-12-13 21:41:03,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4600409836065574 [2022-12-13 21:41:03,640 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1347 transitions. [2022-12-13 21:41:03,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1347 transitions. [2022-12-13 21:41:03,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:41:03,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1347 transitions. [2022-12-13 21:41:03,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 336.75) internal successors, (1347), 4 states have internal predecessors, (1347), 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) [2022-12-13 21:41:03,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 732.0) internal successors, (3660), 5 states have internal predecessors, (3660), 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) [2022-12-13 21:41:03,648 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 732.0) internal successors, (3660), 5 states have internal predecessors, (3660), 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) [2022-12-13 21:41:03,648 INFO L175 Difference]: Start difference. First operand has 117 places, 122 transitions, 302 flow. Second operand 4 states and 1347 transitions. [2022-12-13 21:41:03,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 125 transitions, 504 flow [2022-12-13 21:41:03,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 125 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:41:03,654 INFO L231 Difference]: Finished difference. Result has 119 places, 122 transitions, 316 flow [2022-12-13 21:41:03,655 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=316, PETRI_PLACES=119, PETRI_TRANSITIONS=122} [2022-12-13 21:41:03,655 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, -9 predicate places. [2022-12-13 21:41:03,655 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 122 transitions, 316 flow [2022-12-13 21:41:03,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 312.75) internal successors, (1251), 4 states have internal predecessors, (1251), 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) [2022-12-13 21:41:03,656 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:41:03,656 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:41:03,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 21:41:03,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:41:03,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2_funErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 88 more)] === [2022-12-13 21:41:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:41:03,860 INFO L85 PathProgramCache]: Analyzing trace with hash 47036019, now seen corresponding path program 1 times [2022-12-13 21:41:03,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:41:03,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030830107] [2022-12-13 21:41:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:41:03,865 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 [2022-12-13 21:41:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:41:03,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 21:41:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303a4021-412c-46d0-80d4-d80f44588d85/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 21:41:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:41:04,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 21:41:04,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:41:06,979 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2022-12-13 21:41:06,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2054 treesize of output 1273 [2022-12-13 21:41:12,098 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2022-12-13 21:41:12,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 248 treesize of output 545 [2022-12-13 21:41:12,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 21:41:12,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 21:41:12,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2022-12-13 21:41:12,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 21:41:13,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 21:41:13,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 21:41:13,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-13 21:41:13,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 21:41:13,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 21:41:13,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 21:41:29,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:29,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:29,379 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-13 21:41:29,447 INFO L321 Elim1Store]: treesize reduction 57, result has 21.9 percent of original size [2022-12-13 21:41:29,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1078 treesize of output 1057 [2022-12-13 21:41:30,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 21:41:31,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:31,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:31,323 INFO L217 Elim1Store]: Index analysis took 285 ms [2022-12-13 21:41:31,364 INFO L321 Elim1Store]: treesize reduction 277, result has 0.4 percent of original size [2022-12-13 21:41:31,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 15 case distinctions, treesize of input 310 treesize of output 502 [2022-12-13 21:41:31,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 21:41:32,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:32,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:32,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:32,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:32,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1865 treesize of output 1822 [2022-12-13 21:41:32,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 21:41:33,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:33,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 21:41:33,826 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-12-13 21:41:33,910 INFO L321 Elim1Store]: treesize reduction 57, result has 21.9 percent of original size [2022-12-13 21:41:33,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1865 treesize of output 1838 [2022-12-13 21:41:33,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11