./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:51:56,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:51:56,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:51:56,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:51:56,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:51:56,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:51:56,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:51:56,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:51:56,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:51:56,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:51:56,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:51:56,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:51:56,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:51:56,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:51:56,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:51:56,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:51:56,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:51:56,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:51:56,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:51:56,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:51:56,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:51:56,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:51:56,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:51:56,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:51:56,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:51:56,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:51:56,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:51:56,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:51:56,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:51:56,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:51:56,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:51:56,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:51:56,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:51:56,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:51:56,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:51:56,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:51:56,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:51:56,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:51:56,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:51:56,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:51:56,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:51:56,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:51:56,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:51:56,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:51:56,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:51:56,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:51:56,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:51:56,433 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:51:56,434 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:51:56,434 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:51:56,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:51:56,435 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:51:56,435 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:51:56,435 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:51:56,436 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:51:56,436 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:51:56,436 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:51:56,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:51:56,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:51:56,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:51:56,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:51:56,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:51:56,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:51:56,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:51:56,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:51:56,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:51:56,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:51:56,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:51:56,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:51:56,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:51:56,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:51:56,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:51:56,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:56,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:51:56,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:51:56,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:51:56,443 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:51:56,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:51:56,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:51:56,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:51:56,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:51:56,444 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_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2021-10-29 05:51:56,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:51:56,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:51:56,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:51:56,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:51:56,790 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:51:56,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-29 05:51:56,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/a2ac2306e/d4efaa04348e461bb9e937e88fa7e91b/FLAG0ec302dea [2021-10-29 05:51:57,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:51:57,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-29 05:51:57,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/a2ac2306e/d4efaa04348e461bb9e937e88fa7e91b/FLAG0ec302dea [2021-10-29 05:51:57,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/a2ac2306e/d4efaa04348e461bb9e937e88fa7e91b [2021-10-29 05:51:57,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:51:57,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:51:57,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:57,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:51:57,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:51:57,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:57" (1/1) ... [2021-10-29 05:51:57,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297a51cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:57, skipping insertion in model container [2021-10-29 05:51:57,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:57" (1/1) ... [2021-10-29 05:51:57,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:51:57,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:58,114 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_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-29 05:51:58,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:58,142 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:51:58,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@474b1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58, skipping insertion in model container [2021-10-29 05:51:58,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:58,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:51:58,146 INFO L168 Benchmark]: Toolchain (without parser) took 349.05 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 71.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:58,147 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 71.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:51:58,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.21 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 71.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:58,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 71.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 345.21 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 71.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 171]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:52:00,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:52:00,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:52:00,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:52:00,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:52:00,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:52:00,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:52:00,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:52:00,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:52:00,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:52:00,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:52:00,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:52:00,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:52:00,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:52:01,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:52:01,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:52:01,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:52:01,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:52:01,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:52:01,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:52:01,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:52:01,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:52:01,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:52:01,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:52:01,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:52:01,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:52:01,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:52:01,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:52:01,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:52:01,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:52:01,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:52:01,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:52:01,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:52:01,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:52:01,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:52:01,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:52:01,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:52:01,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:52:01,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:52:01,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:52:01,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:52:01,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:52:01,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:52:01,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:52:01,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:52:01,124 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:52:01,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:52:01,125 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:52:01,125 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:52:01,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:52:01,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:52:01,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:52:01,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:52:01,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:52:01,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:52:01,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:52:01,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:52:01,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:52:01,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:52:01,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:52:01,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:52:01,132 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:52:01,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:52:01,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:52:01,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:52:01,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:52:01,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:52:01,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:52:01,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:52:01,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:52:01,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:52:01,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:52:01,135 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:52:01,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:52:01,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:52:01,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:52:01,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:52:01,136 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_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2021-10-29 05:52:01,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:52:01,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:52:01,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:52:01,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:52:01,698 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:52:01,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-29 05:52:01,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/578e74b2f/f18fa66347a64fddbac1e4cc3dfec02c/FLAG89a0977ac [2021-10-29 05:52:02,497 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:52:02,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-29 05:52:02,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/578e74b2f/f18fa66347a64fddbac1e4cc3dfec02c/FLAG89a0977ac [2021-10-29 05:52:02,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/data/578e74b2f/f18fa66347a64fddbac1e4cc3dfec02c [2021-10-29 05:52:02,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:52:02,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:52:02,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:52:02,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:52:02,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:52:02,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:52:02" (1/1) ... [2021-10-29 05:52:02,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c30def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:02, skipping insertion in model container [2021-10-29 05:52:02,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:52:02" (1/1) ... [2021-10-29 05:52:02,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:52:02,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:52:03,238 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_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-29 05:52:03,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:52:03,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:52:03,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:52:03,327 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_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-29 05:52:03,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:52:03,338 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:52:03,380 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_f8787ee6-7010-42b9-85be-a85f54453461/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-29 05:52:03,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:52:03,417 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:52:03,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03 WrapperNode [2021-10-29 05:52:03,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:52:03,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:52:03,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:52:03,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:52:03,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:52:03,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:52:03,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:52:03,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:52:03,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:52:03,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:52:03,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:52:03,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:52:03,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (1/1) ... [2021-10-29 05:52:03,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:52:03,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:52:03,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:52:03,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:52:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:52:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:52:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:52:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:52:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:52:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:52:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:52:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 05:52:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 05:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:52:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:52:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:52:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:52:03,713 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:52:05,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:52:05,559 INFO L299 CfgBuilder]: Removed 54 assume(true) statements. [2021-10-29 05:52:05,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:05 BoogieIcfgContainer [2021-10-29 05:52:05,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:52:05,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:52:05,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:52:05,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:52:05,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:52:02" (1/3) ... [2021-10-29 05:52:05,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee49eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:52:05, skipping insertion in model container [2021-10-29 05:52:05,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:52:03" (2/3) ... [2021-10-29 05:52:05,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee49eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:52:05, skipping insertion in model container [2021-10-29 05:52:05,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:05" (3/3) ... [2021-10-29 05:52:05,571 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2021-10-29 05:52:05,577 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:52:05,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:52:05,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:52:05,578 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:52:05,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,650 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,652 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,654 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,655 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,655 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,655 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,656 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,656 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,656 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,657 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,657 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,657 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,657 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,657 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,658 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,658 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,658 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,659 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,659 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,660 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,661 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,668 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,669 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,670 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,671 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,674 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,675 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,678 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,678 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,678 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,679 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,679 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,680 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,689 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,689 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,690 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,690 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,690 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,690 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,691 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,691 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,691 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,692 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,692 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,693 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,693 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,696 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,701 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,705 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,705 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,705 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,705 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,705 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,706 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,706 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,706 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,706 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:52:05,712 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 05:52:05,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:52:05,798 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:52:05,798 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:52:05,823 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:52:05,833 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 238 transitions, 500 flow [2021-10-29 05:52:05,836 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 238 transitions, 500 flow [2021-10-29 05:52:05,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 238 transitions, 500 flow [2021-10-29 05:52:05,967 INFO L129 PetriNetUnfolder]: 27/235 cut-off events. [2021-10-29 05:52:05,968 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 05:52:05,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 235 events. 27/235 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 161 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 197. Up to 6 conditions per place. [2021-10-29 05:52:05,981 INFO L116 LiptonReduction]: Number of co-enabled transitions 2442 [2021-10-29 05:52:34,708 INFO L131 LiptonReduction]: Checked pairs total: 2442 [2021-10-29 05:52:34,708 INFO L133 LiptonReduction]: Total number of compositions: 258 [2021-10-29 05:52:34,724 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 29 transitions, 82 flow [2021-10-29 05:52:34,738 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 47 states, 46 states have (on average 2.8260869565217392) internal successors, (130), 46 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 46 states have (on average 2.8260869565217392) internal successors, (130), 46 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:52:34,747 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:34,747 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:34,748 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:52:34,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1942133032, now seen corresponding path program 1 times [2021-10-29 05:52:34,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:34,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465188976] [2021-10-29 05:52:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:34,768 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:34,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:34,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:52:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:34,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:52:34,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:35,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:35,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:35,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465188976] [2021-10-29 05:52:35,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465188976] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:35,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:35,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-29 05:52:35,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554941251] [2021-10-29 05:52:35,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:35,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:35,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:35,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:35,296 INFO L87 Difference]: Start difference. First operand has 47 states, 46 states have (on average 2.8260869565217392) internal successors, (130), 46 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:35,396 INFO L93 Difference]: Finished difference Result 88 states and 251 transitions. [2021-10-29 05:52:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:52:35,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:52:35,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:35,408 INFO L225 Difference]: With dead ends: 88 [2021-10-29 05:52:35,408 INFO L226 Difference]: Without dead ends: 81 [2021-10-29 05:52:35,410 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:35,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-29 05:52:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-10-29 05:52:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 2.9125) internal successors, (233), 80 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 233 transitions. [2021-10-29 05:52:35,456 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 233 transitions. Word has length 19 [2021-10-29 05:52:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:35,457 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 233 transitions. [2021-10-29 05:52:35,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 233 transitions. [2021-10-29 05:52:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:52:35,461 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:35,461 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:35,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:35,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:35,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:52:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2136761151, now seen corresponding path program 1 times [2021-10-29 05:52:35,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:35,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142614708] [2021-10-29 05:52:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:35,667 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:35,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:35,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:35,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:52:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:35,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:52:35,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:36,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:36,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:36,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142614708] [2021-10-29 05:52:36,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142614708] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:36,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:36,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:52:36,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654079060] [2021-10-29 05:52:36,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:36,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:36,593 INFO L87 Difference]: Start difference. First operand 81 states and 233 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:36,645 INFO L93 Difference]: Finished difference Result 81 states and 205 transitions. [2021-10-29 05:52:36,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:52:36,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:52:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:36,651 INFO L225 Difference]: With dead ends: 81 [2021-10-29 05:52:36,651 INFO L226 Difference]: Without dead ends: 73 [2021-10-29 05:52:36,651 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 [2021-10-29 05:52:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-29 05:52:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-29 05:52:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 2.611111111111111) internal successors, (188), 72 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 188 transitions. [2021-10-29 05:52:36,697 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 188 transitions. Word has length 20 [2021-10-29 05:52:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:36,697 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 188 transitions. [2021-10-29 05:52:36,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 188 transitions. [2021-10-29 05:52:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:52:36,701 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:36,702 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:36,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 05:52:36,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:36,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:52:36,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:36,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2024549339, now seen corresponding path program 1 times [2021-10-29 05:52:36,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:36,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924580183] [2021-10-29 05:52:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:36,917 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:36,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:36,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:52:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:37,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:52:37,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:37,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:37,591 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:37,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924580183] [2021-10-29 05:52:37,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924580183] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:37,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:37,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:52:37,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479364181] [2021-10-29 05:52:37,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:52:37,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:52:37,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:52:37,596 INFO L87 Difference]: Start difference. First operand 73 states and 188 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:37,677 INFO L93 Difference]: Finished difference Result 111 states and 272 transitions. [2021-10-29 05:52:37,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:52:37,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:52:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:37,684 INFO L225 Difference]: With dead ends: 111 [2021-10-29 05:52:37,689 INFO L226 Difference]: Without dead ends: 99 [2021-10-29 05:52:37,689 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:52:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-29 05:52:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 61. [2021-10-29 05:52:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 2.5) internal successors, (150), 60 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 150 transitions. [2021-10-29 05:52:37,704 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 150 transitions. Word has length 20 [2021-10-29 05:52:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:37,704 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 150 transitions. [2021-10-29 05:52:37,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 150 transitions. [2021-10-29 05:52:37,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:52:37,727 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:37,728 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:37,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:37,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:37,942 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:52:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1320547237, now seen corresponding path program 1 times [2021-10-29 05:52:37,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:37,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132619785] [2021-10-29 05:52:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:37,944 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:37,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:37,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:37,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:52:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:38,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:52:38,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:38,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:38,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:38,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132619785] [2021-10-29 05:52:38,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132619785] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:38,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:38,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:52:38,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657958936] [2021-10-29 05:52:38,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:38,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:38,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:38,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:38,784 INFO L87 Difference]: Start difference. First operand 61 states and 150 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:38,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:38,786 INFO L93 Difference]: Finished difference Result 19 states and 28 transitions. [2021-10-29 05:52:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:52:38,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:52:38,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:38,786 INFO L225 Difference]: With dead ends: 19 [2021-10-29 05:52:38,786 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:52:38,787 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 [2021-10-29 05:52:38,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:52:38,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:52:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:52:38,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-29 05:52:38,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:38,788 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:52:38,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:52:38,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:52:38,794 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:52:38,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:52:38,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:52:38,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 05:52:38,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:39,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:39,011 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 05:52:39,013 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:52:39,013 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:52:39,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:52:39 BasicIcfg [2021-10-29 05:52:39,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:52:39,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:52:39,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:52:39,020 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:52:39,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:05" (3/4) ... [2021-10-29 05:52:39,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:52:39,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:52:39,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:52:39,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 05:52:39,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-29 05:52:39,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:52:39,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:52:39,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:52:39,146 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:52:39,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:52:39,148 INFO L168 Benchmark]: Toolchain (without parser) took 36316.03 ms. Allocated memory was 56.6 MB in the beginning and 107.0 MB in the end (delta: 50.3 MB). Free memory was 34.2 MB in the beginning and 45.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,148 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:52:39,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.26 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 34.6 MB in the end (delta: -473.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.07 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 31.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,150 INFO L168 Benchmark]: Boogie Preprocessor took 85.73 ms. Allocated memory is still 56.6 MB. Free memory was 31.8 MB in the beginning and 29.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,150 INFO L168 Benchmark]: RCFGBuilder took 1958.55 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 29.5 MB in the beginning and 44.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,150 INFO L168 Benchmark]: TraceAbstraction took 33452.05 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 43.7 MB in the beginning and 50.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,151 INFO L168 Benchmark]: Witness Printer took 126.47 ms. Allocated memory is still 107.0 MB. Free memory was 50.7 MB in the beginning and 45.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:39,154 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 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 583.26 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 34.6 MB in the end (delta: -473.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.07 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 31.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.73 ms. Allocated memory is still 56.6 MB. Free memory was 31.8 MB in the beginning and 29.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1958.55 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 29.5 MB in the beginning and 44.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33452.05 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 43.7 MB in the beginning and 50.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * Witness Printer took 126.47 ms. Allocated memory is still 107.0 MB. Free memory was 50.7 MB in the beginning and 45.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.8s, 221 PlacesBefore, 33 PlacesAfterwards, 238 TransitionsBefore, 29 TransitionsAfterwards, 2442 CoEnabledTransitionPairs, 8 FixpointIterations, 150 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 32 TrivialYvCompositions, 8 ConcurrentYvCompositions, 21 ChoiceCompositions, 258 TotalNumberOfCompositions, 2442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2324, positive: 2292, positive conditional: 0, positive unconditional: 2292, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1655, positive: 1647, positive conditional: 0, positive unconditional: 1647, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1655, positive: 1647, positive conditional: 0, positive unconditional: 1647, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 481, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 481, negative conditional: 0, negative unconditional: 481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2324, positive: 645, positive conditional: 0, positive unconditional: 645, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1655, unknown conditional: 0, unknown unconditional: 1655] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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: 162]: 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, 249 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 33.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 28.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 69 SDslu, 67 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=1, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 65 NumberOfNonLiveVariables, 563 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:52:39,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8787ee6-7010-42b9-85be-a85f54453461/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...