./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.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_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/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_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/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_beeff929-d791-4a96-ad26-78dcb95936b8/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 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 ............................................................................................................................................ 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_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/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_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/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_beeff929-d791-4a96-ad26-78dcb95936b8/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 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:05:11,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:05:11,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:05:11,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:05:11,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:05:11,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:05:11,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:05:11,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:05:11,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:05:11,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:05:11,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:05:11,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:05:11,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:05:11,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:05:11,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:05:11,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:05:11,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:05:11,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:05:11,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:05:11,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:05:11,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:05:11,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:05:11,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:05:11,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:05:11,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:05:11,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:05:11,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:05:11,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:05:11,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:05:11,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:05:11,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:05:11,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:05:11,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:05:11,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:05:11,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:05:11,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:05:11,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:05:11,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:05:11,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:05:11,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:05:11,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:05:11,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:05:11,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:05:11,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:05:11,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:05:11,599 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:05:11,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:05:11,600 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:05:11,600 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:05:11,600 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:05:11,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:05:11,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:05:11,602 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:05:11,602 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:05:11,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:05:11,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:05:11,603 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:05:11,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:05:11,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:05:11,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:05:11,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:05:11,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:05:11,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:05:11,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:05:11,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:05:11,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:05:11,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:05:11,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:05:11,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:05:11,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:05:11,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:05:11,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:05:11,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:05:11,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:05:11,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:05:11,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:05:11,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:05:11,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:05:11,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:05:11,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:05:11,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:05:11,611 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_beeff929-d791-4a96-ad26-78dcb95936b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-10-29 05:05:11,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:05:11,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:05:11,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:05:11,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:05:11,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:05:11,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-29 05:05:12,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/613768034/f9b6e03ac85e4a978e3e40a51bca207b/FLAG7bdb1c53e [2021-10-29 05:05:12,590 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:05:12,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-29 05:05:12,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/613768034/f9b6e03ac85e4a978e3e40a51bca207b/FLAG7bdb1c53e [2021-10-29 05:05:12,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/613768034/f9b6e03ac85e4a978e3e40a51bca207b [2021-10-29 05:05:12,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:05:12,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:05:12,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:12,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:05:12,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:05:12,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:12" (1/1) ... [2021-10-29 05:05:12,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6800f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:12, skipping insertion in model container [2021-10-29 05:05:12,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:12" (1/1) ... [2021-10-29 05:05:12,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:05:13,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:05:13,333 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_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-10-29 05:05:13,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:05:13,372 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 05:05:13,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f4a41af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:13, skipping insertion in model container [2021-10-29 05:05:13,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:13,375 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:05:13,378 INFO L168 Benchmark]: Toolchain (without parser) took 422.88 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.3 MB in the beginning and 87.2 MB in the end (delta: -35.9 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:13,380 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:05:13,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.10 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.0 MB in the beginning and 87.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:13,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.10 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.0 MB in the beginning and 87.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: 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 05:05:15,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:05:15,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:05:16,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:05:16,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:05:16,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:05:16,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:05:16,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:05:16,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:05:16,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:05:16,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:05:16,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:05:16,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:05:16,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:05:16,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:05:16,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:05:16,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:05:16,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:05:16,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:05:16,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:05:16,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:05:16,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:05:16,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:05:16,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:05:16,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:05:16,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:05:16,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:05:16,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:05:16,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:05:16,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:05:16,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:05:16,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:05:16,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:05:16,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:05:16,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:05:16,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:05:16,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:05:16,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:05:16,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:05:16,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:05:16,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:05:16,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:05:16,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:05:16,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:05:16,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:05:16,187 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:05:16,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:05:16,188 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:05:16,188 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:05:16,188 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:05:16,188 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:05:16,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:05:16,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:05:16,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:05:16,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:05:16,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:05:16,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:05:16,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:05:16,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:05:16,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:05:16,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:05:16,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:05:16,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:05:16,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:05:16,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:05:16,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:05:16,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:05:16,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:05:16,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:05:16,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:05:16,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:05:16,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:05:16,196 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:05:16,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:05:16,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:05:16,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:05:16,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:05:16,198 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_beeff929-d791-4a96-ad26-78dcb95936b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-10-29 05:05:16,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:05:16,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:05:16,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:05:16,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:05:16,683 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:05:16,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-29 05:05:16,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/e90bed9b4/c4ff12ab4e04480586b13ea4191e5bed/FLAG22c70092f [2021-10-29 05:05:17,490 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:05:17,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-29 05:05:17,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/e90bed9b4/c4ff12ab4e04480586b13ea4191e5bed/FLAG22c70092f [2021-10-29 05:05:17,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/data/e90bed9b4/c4ff12ab4e04480586b13ea4191e5bed [2021-10-29 05:05:17,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:05:17,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:05:17,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:17,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:05:17,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:05:17,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:17" (1/1) ... [2021-10-29 05:05:17,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d2cbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:17, skipping insertion in model container [2021-10-29 05:05:17,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:17" (1/1) ... [2021-10-29 05:05:17,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:05:17,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:05:18,023 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_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-10-29 05:05:18,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:05:18,046 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:05:18,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:05:18,076 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_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-10-29 05:05:18,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:05:18,088 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:05:18,167 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_beeff929-d791-4a96-ad26-78dcb95936b8/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-10-29 05:05:18,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:05:18,204 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:05:18,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18 WrapperNode [2021-10-29 05:05:18,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:18,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:05:18,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:05:18,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:05:18,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:05:18,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:05:18,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:05:18,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:05:18,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:05:18,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:05:18,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:05:18,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:05:18,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (1/1) ... [2021-10-29 05:05:18,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:05:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:05:18,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:05:18,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:05:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:05:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 05:05:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:05:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:05:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 05:05:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:05:18,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:05:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:05:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:05:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:05:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:05:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:05:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:05:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:05:18,450 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 05:05:19,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:05:19,367 INFO L299 CfgBuilder]: Removed 41 assume(true) statements. [2021-10-29 05:05:19,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:05:19 BoogieIcfgContainer [2021-10-29 05:05:19,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:05:19,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:05:19,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:05:19,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:05:19,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:05:17" (1/3) ... [2021-10-29 05:05:19,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71640839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:05:19, skipping insertion in model container [2021-10-29 05:05:19,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:18" (2/3) ... [2021-10-29 05:05:19,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71640839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:05:19, skipping insertion in model container [2021-10-29 05:05:19,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:05:19" (3/3) ... [2021-10-29 05:05:19,380 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2021-10-29 05:05:19,386 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:05:19,386 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:05:19,386 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:05:19,387 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:05:19,449 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,449 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,450 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,450 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,450 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,451 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,452 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,453 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,453 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,453 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,454 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,454 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,455 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,457 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,458 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,458 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,459 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,460 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,460 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,461 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,461 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,461 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,461 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,463 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,463 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,463 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,464 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,464 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,464 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,466 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,466 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,467 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,468 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,468 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,469 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,469 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,469 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,469 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,470 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,471 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,474 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,475 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,475 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,476 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,476 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,476 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,477 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,477 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,479 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,485 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,486 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,486 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,487 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,487 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,488 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,488 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,489 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,489 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,495 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,495 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,501 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,501 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,501 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,511 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,513 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:05:19,525 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-29 05:05:19,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:05:19,590 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 05:05:19,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:05:19,613 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:05:19,626 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 238 transitions, 492 flow [2021-10-29 05:05:19,629 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 238 transitions, 492 flow [2021-10-29 05:05:19,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 238 transitions, 492 flow [2021-10-29 05:05:19,804 INFO L129 PetriNetUnfolder]: 26/236 cut-off events. [2021-10-29 05:05:19,805 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-29 05:05:19,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 236 events. 26/236 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs, 0 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2021-10-29 05:05:19,817 INFO L116 LiptonReduction]: Number of co-enabled transitions 972 [2021-10-29 05:06:56,884 WARN L207 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-10-29 05:07:14,550 WARN L207 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2021-10-29 05:07:20,877 WARN L207 SmtUtils]: Spent 6.32 s on a formula simplification that was a NOOP. DAG size: 137 [2021-10-29 05:07:34,909 WARN L207 SmtUtils]: Spent 14.03 s on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2021-10-29 05:07:41,199 WARN L207 SmtUtils]: Spent 6.28 s on a formula simplification that was a NOOP. DAG size: 147 [2021-10-29 05:07:42,845 INFO L131 LiptonReduction]: Checked pairs total: 1590 [2021-10-29 05:07:42,846 INFO L133 LiptonReduction]: Total number of compositions: 266 [2021-10-29 05:07:42,855 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 31 transitions, 78 flow [2021-10-29 05:07:42,876 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 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 05:07:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 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 05:07:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:07:42,887 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:07:42,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:07:42,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 05:07:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:07:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash -426178360, now seen corresponding path program 1 times [2021-10-29 05:07:42,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:07:42,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761763791] [2021-10-29 05:07:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:07:42,912 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:07:42,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:07:42,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:07:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:07:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:07:43,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:07:43,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:07:43,491 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 05:07:43,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:07:43,623 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 05:07:43,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:07:43,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761763791] [2021-10-29 05:07:43,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761763791] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:07:43,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:07:43,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-29 05:07:43,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846839123] [2021-10-29 05:07:43,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:07:43,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:07:43,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:07:43,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:07:43,654 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 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 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 05:07:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:07:43,768 INFO L93 Difference]: Finished difference Result 75 states and 181 transitions. [2021-10-29 05:07:43,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:07:43,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 16 [2021-10-29 05:07:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:07:43,776 INFO L225 Difference]: With dead ends: 75 [2021-10-29 05:07:43,777 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:07:43,778 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:07:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:07:43,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:07:43,803 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 05:07:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:07:43,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-29 05:07:43,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:07:43,805 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:07:43,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 05:07:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:07:43,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:07:43,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:07:43,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:07:43,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:07:43,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:07:44,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:07:44,034 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:07:44,037 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:07:44,037 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:07:44,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:07:44 BasicIcfg [2021-10-29 05:07:44,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:07:44,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:07:44,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:07:44,041 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:07:44,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:05:19" (3/4) ... [2021-10-29 05:07:44,045 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:07:44,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:07:44,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:07:44,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-10-29 05:07:44,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:07:44,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:07:44,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:07:44,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:07:44,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:07:44,164 INFO L168 Benchmark]: Toolchain (without parser) took 146369.18 ms. Allocated memory was 62.9 MB in the beginning and 102.8 MB in the end (delta: 39.8 MB). Free memory was 42.8 MB in the beginning and 28.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,164 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:07:44,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.06 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 44.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.70 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,166 INFO L168 Benchmark]: Boogie Preprocessor took 63.21 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 40.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,166 INFO L168 Benchmark]: RCFGBuilder took 1035.72 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 40.5 MB in the beginning and 60.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,167 INFO L168 Benchmark]: TraceAbstraction took 144667.63 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 59.9 MB in the beginning and 32.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,168 INFO L168 Benchmark]: Witness Printer took 120.29 ms. Allocated memory is still 102.8 MB. Free memory was 32.6 MB in the beginning and 28.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:44,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.06 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 44.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.70 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.21 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 40.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1035.72 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 40.5 MB in the beginning and 60.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 144667.63 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 59.9 MB in the beginning and 32.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * Witness Printer took 120.29 ms. Allocated memory is still 102.8 MB. Free memory was 32.6 MB in the beginning and 28.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 143.2s, 219 PlacesBefore, 31 PlacesAfterwards, 238 TransitionsBefore, 31 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 8 FixpointIterations, 168 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 50 TrivialYvCompositions, 6 ConcurrentYvCompositions, 19 ChoiceCompositions, 266 TotalNumberOfCompositions, 1590 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1062, positive: 979, positive conditional: 0, positive unconditional: 979, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 669, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 669, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54556, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1298, negative conditional: 0, negative unconditional: 1298, unknown: 53258, unknown conditional: 0, unknown unconditional: 53258] ], Cache Queries: [ total: 1062, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 669, unknown conditional: 0, unknown unconditional: 669] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - 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: 94]: 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 5 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 144.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 143.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 25 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 3 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:07:44,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beeff929-d791-4a96-ad26-78dcb95936b8/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...