./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:39:59,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:39:59,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:39:59,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:39:59,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:39:59,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:39:59,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:39:59,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:39:59,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:39:59,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:39:59,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:39:59,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:39:59,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:39:59,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:39:59,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:39:59,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:39:59,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:39:59,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:39:59,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:39:59,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:39:59,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:39:59,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:39:59,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:39:59,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:39:59,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:39:59,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:39:59,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:39:59,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:39:59,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:39:59,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:39:59,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:39:59,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:39:59,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:39:59,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:39:59,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:39:59,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:39:59,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:39:59,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:39:59,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:39:59,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:39:59,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:39:59,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:39:59,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:39:59,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:39:59,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:39:59,172 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:39:59,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:39:59,173 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:39:59,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:39:59,174 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:39:59,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:39:59,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:39:59,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:39:59,175 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:39:59,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:39:59,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:39:59,176 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:39:59,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:39:59,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:39:59,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:39:59,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:39:59,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:39:59,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:39:59,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:39:59,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:39:59,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:39:59,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:39:59,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:39:59,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:39:59,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:39:59,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:39:59,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:39:59,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:39:59,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:39:59,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:39:59,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:39:59,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:39:59,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:39:59,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:39:59,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:39:59,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:39:59,183 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 [2021-11-03 03:39:59,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:39:59,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:39:59,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:39:59,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:39:59,466 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:39:59,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-11-03 03:39:59,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/0131f77c1/e8580a3f363e47368bd5b9c443f374d4/FLAG5c1e4288d [2021-11-03 03:40:00,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:00,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-11-03 03:40:00,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/0131f77c1/e8580a3f363e47368bd5b9c443f374d4/FLAG5c1e4288d [2021-11-03 03:40:00,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/0131f77c1/e8580a3f363e47368bd5b9c443f374d4 [2021-11-03 03:40:00,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:00,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:00,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:00,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:00,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:00,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:00" (1/1) ... [2021-11-03 03:40:00,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6b32e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:00, skipping insertion in model container [2021-11-03 03:40:00,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:00" (1/1) ... [2021-11-03 03:40:00,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:00,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:00,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-03 03:40:00,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:00,662 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 03:40:00,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b3836f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:00, skipping insertion in model container [2021-11-03 03:40:00,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:00,663 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:40:00,665 INFO L168 Benchmark]: Toolchain (without parser) took 245.37 ms. Allocated memory is still 115.3 MB. Free memory was 82.7 MB in the beginning and 90.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:00,666 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:00,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.96 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 90.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:00,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.96 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 90.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 109]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:02,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:02,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:03,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:03,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:03,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:03,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:03,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:03,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:03,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:03,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:03,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:03,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:03,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:03,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:03,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:03,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:03,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:03,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:03,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:03,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:03,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:03,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:03,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:03,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:03,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:03,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:03,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:03,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:03,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:03,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:03,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:03,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:03,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:03,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:03,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:03,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:03,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:03,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:03,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:03,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:03,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:40:03,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:03,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:03,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:03,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:03,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:03,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:03,152 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:03,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:03,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:03,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:03,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:40:03,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:40:03,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:03,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:03,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:40:03,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:03,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:03,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:03,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:03,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:40:03,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:03,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:03,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:03,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:03,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:03,159 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:40:03,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:40:03,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:03,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:03,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:03,161 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 [2021-11-03 03:40:03,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:03,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:03,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:03,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:03,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:03,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-11-03 03:40:03,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/ebb203a43/b70a89e945824348b298915ef31ba9fb/FLAG82b526414 [2021-11-03 03:40:04,182 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:04,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-11-03 03:40:04,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/ebb203a43/b70a89e945824348b298915ef31ba9fb/FLAG82b526414 [2021-11-03 03:40:04,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/data/ebb203a43/b70a89e945824348b298915ef31ba9fb [2021-11-03 03:40:04,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:04,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:04,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:04,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:04,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:04,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:04" (1/1) ... [2021-11-03 03:40:04,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a68a16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:04, skipping insertion in model container [2021-11-03 03:40:04,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:04" (1/1) ... [2021-11-03 03:40:04,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:04,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:04,818 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-03 03:40:04,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:04,857 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:40:04,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:04,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-03 03:40:04,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:04,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:40:04,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-03 03:40:04,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:05,011 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:40:05,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05 WrapperNode [2021-11-03 03:40:05,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:05,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:05,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:40:05,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:40:05,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:05,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:40:05,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:40:05,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:40:05,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:40:05,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:40:05,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:40:05,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:40:05,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:40:05,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:40:05,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:40:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-03 03:40:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-03 03:40:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-03 03:40:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-03 03:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-03 03:40:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-03 03:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-03 03:40:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-03 03:40:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:40:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:40:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:40:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:40:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:40:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:40:05,222 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-03 03:40:06,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:40:06,090 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-03 03:40:06,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06 BoogieIcfgContainer [2021-11-03 03:40:06,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:40:06,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:40:06,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:40:06,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:40:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:04" (1/3) ... [2021-11-03 03:40:06,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703dc8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:06, skipping insertion in model container [2021-11-03 03:40:06,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (2/3) ... [2021-11-03 03:40:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703dc8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:06, skipping insertion in model container [2021-11-03 03:40:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06" (3/3) ... [2021-11-03 03:40:06,101 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2021-11-03 03:40:06,107 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 03:40:06,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:40:06,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:40:06,108 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 03:40:06,142 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,142 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,143 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,143 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,143 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,143 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,144 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,144 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,144 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,144 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,144 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,145 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,145 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,145 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,145 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,145 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,146 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,147 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,148 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,148 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,150 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,150 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,150 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,150 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,151 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,151 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,151 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,152 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,153 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,154 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,154 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,155 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,155 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,155 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,155 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,156 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,156 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,156 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,156 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,156 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,157 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,157 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,157 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,157 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,157 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,158 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,158 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,158 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,158 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,158 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,159 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,159 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,159 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,159 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,160 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,160 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,160 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,160 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,174 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,174 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,174 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,174 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,174 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,175 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,178 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,179 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,179 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,179 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,190 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-03 03:40:06,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:40:06,266 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:40:06,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-03 03:40:06,288 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 03:40:06,299 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 136 transitions, 296 flow [2021-11-03 03:40:06,303 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 136 transitions, 296 flow [2021-11-03 03:40:06,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 136 transitions, 296 flow [2021-11-03 03:40:06,419 INFO L129 PetriNetUnfolder]: 12/133 cut-off events. [2021-11-03 03:40:06,420 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-03 03:40:06,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 12/133 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2021-11-03 03:40:06,432 INFO L116 LiptonReduction]: Number of co-enabled transitions 1320 [2021-11-03 03:40:21,422 INFO L131 LiptonReduction]: Checked pairs total: 1504 [2021-11-03 03:40:21,428 INFO L133 LiptonReduction]: Total number of compositions: 127 [2021-11-03 03:40:21,442 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 28 transitions, 80 flow [2021-11-03 03:40:21,462 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 03:40:21,479 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:21,480 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:40:21,481 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-03 03:40:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:21,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1569669511, now seen corresponding path program 1 times [2021-11-03 03:40:21,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:21,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049425537] [2021-11-03 03:40:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:21,499 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:21,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:21,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:40:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:21,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:40:21,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:21,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:21,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:21,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049425537] [2021-11-03 03:40:21,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049425537] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:21,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:21,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 03:40:21,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19171860] [2021-11-03 03:40:21,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:40:21,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:21,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:40:21,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:40:21,960 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:21,976 INFO L93 Difference]: Finished difference Result 2 states and 2 transitions. [2021-11-03 03:40:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:40:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 03:40:21,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:21,985 INFO L225 Difference]: With dead ends: 2 [2021-11-03 03:40:21,985 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 03:40:21,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:40:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 03:40:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 03:40:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 03:40:22,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-03 03:40:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:22,009 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 03:40:22,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 03:40:22,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 03:40:22,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:40:22,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-03 03:40:22,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-03 03:40:22,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-03 03:40:22,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:40:22,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:22,230 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 03:40:22,232 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-03 03:40:22,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:40:22,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:40:22 BasicIcfg [2021-11-03 03:40:22,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:40:22,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:40:22,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:40:22,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:40:22,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06" (3/4) ... [2021-11-03 03:40:22,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 03:40:22,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-03 03:40:22,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-03 03:40:22,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-03 03:40:22,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-03 03:40:22,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-03 03:40:22,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:40:22,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:40:22,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 03:40:22,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:40:22,325 INFO L168 Benchmark]: Toolchain (without parser) took 17773.32 ms. Allocated memory was 65.0 MB in the beginning and 117.4 MB in the end (delta: 52.4 MB). Free memory was 45.6 MB in the beginning and 64.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,325 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:22,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.76 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 46.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.26 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 44.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,327 INFO L168 Benchmark]: Boogie Preprocessor took 55.85 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 43.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,328 INFO L168 Benchmark]: RCFGBuilder took 981.74 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 43.1 MB in the beginning and 57.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,328 INFO L168 Benchmark]: TraceAbstraction took 16139.74 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 57.2 MB in the beginning and 67.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,328 INFO L168 Benchmark]: Witness Printer took 88.63 ms. Allocated memory is still 117.4 MB. Free memory was 67.0 MB in the beginning and 64.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:22,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.76 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 46.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.26 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 44.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.85 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 43.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 981.74 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 43.1 MB in the beginning and 57.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16139.74 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 57.2 MB in the beginning and 67.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Witness Printer took 88.63 ms. Allocated memory is still 117.4 MB. Free memory was 67.0 MB in the beginning and 64.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1s, 134 PlacesBefore, 34 PlacesAfterwards, 136 TransitionsBefore, 28 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 6 FixpointIterations, 73 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 127 TotalNumberOfCompositions, 1504 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1392, positive: 1362, positive conditional: 0, positive unconditional: 1362, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 880, positive: 870, positive conditional: 0, positive unconditional: 870, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 880, positive: 870, positive conditional: 0, positive unconditional: 870, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 0, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1392, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 880, unknown conditional: 0, unknown unconditional: 880] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 100]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 9 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-03 03:40:22,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea02a314-0e87-4118-afbd-eae64c7feebe/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE