./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:03:40,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:03:40,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:03:40,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:03:40,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:03:40,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:03:40,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:03:40,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:03:40,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:03:40,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:03:40,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:03:40,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:03:40,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:03:40,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:03:40,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:03:40,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:03:40,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:03:40,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:03:40,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:03:40,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:03:40,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:03:40,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:03:40,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:03:40,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:03:40,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:03:40,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:03:40,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:03:40,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:03:40,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:03:40,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:03:40,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:03:40,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:03:40,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:03:40,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:03:40,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:03:40,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:03:40,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:03:40,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:03:40,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:03:40,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:03:40,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:03:40,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:03:40,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:03:40,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:03:40,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:03:40,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:03:40,379 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:03:40,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:03:40,380 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:03:40,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:03:40,381 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:03:40,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:03:40,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:03:40,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:03:40,382 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:03:40,383 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:03:40,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:03:40,383 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:03:40,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:03:40,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:03:40,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:03:40,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:03:40,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:03:40,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:03:40,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:03:40,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:03:40,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:03:40,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:03:40,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:03:40,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:03:40,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:03:40,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:03:40,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:03:40,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:40,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:03:40,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:03:40,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:03:40,388 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:03:40,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:03:40,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:03:40,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:03:40,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:03:40,390 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_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-11-12 23:03:40,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:03:40,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:03:40,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:03:40,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:03:40,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:03:40,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-12 23:03:40,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/dc657d741/0c41a77bd4354b7f8b48dcd1e92d2a47/FLAG95253a7b4 [2021-11-12 23:03:41,404 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:03:41,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-12 23:03:41,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/dc657d741/0c41a77bd4354b7f8b48dcd1e92d2a47/FLAG95253a7b4 [2021-11-12 23:03:41,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/dc657d741/0c41a77bd4354b7f8b48dcd1e92d2a47 [2021-11-12 23:03:41,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:03:41,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:03:41,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:41,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:03:41,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:03:41,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:41" (1/1) ... [2021-11-12 23:03:41,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c30b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:41, skipping insertion in model container [2021-11-12 23:03:41,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:41" (1/1) ... [2021-11-12 23:03:41,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:03:41,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:41,736 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_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-12 23:03:41,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:41,755 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:03:41,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57605ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:41, skipping insertion in model container [2021-11-12 23:03:41,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:41,757 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:03:41,759 INFO L158 Benchmark]: Toolchain (without parser) took 314.07ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 94.7MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:03:41,760 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:03:41,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.89ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 94.7MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:03:41,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.89ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 94.7MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:03:44,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:03:44,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:03:44,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:03:44,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:03:44,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:03:44,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:03:44,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:03:44,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:03:44,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:03:44,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:03:44,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:03:44,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:03:44,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:03:44,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:03:44,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:03:44,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:03:44,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:03:44,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:03:44,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:03:44,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:03:44,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:03:44,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:03:44,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:03:44,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:03:44,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:03:44,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:03:44,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:03:44,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:03:44,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:03:44,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:03:44,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:03:44,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:03:44,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:03:44,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:03:44,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:03:44,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:03:44,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:03:44,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:03:44,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:03:44,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:03:44,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:03:44,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:03:44,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:03:44,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:03:44,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:03:44,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:03:44,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:03:44,258 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:03:44,258 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:03:44,258 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:03:44,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:03:44,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:03:44,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:03:44,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:03:44,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:03:44,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:03:44,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:03:44,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:03:44,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:03:44,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:03:44,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:03:44,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:03:44,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:03:44,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:44,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:03:44,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:03:44,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:03:44,265 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:03:44,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:03:44,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:03:44,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:03:44,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:03:44,266 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_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-11-12 23:03:44,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:03:44,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:03:44,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:03:44,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:03:44,691 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:03:44,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-12 23:03:44,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/5b20697d0/9796f80a08254077bb52951c2582a08e/FLAGb58d30443 [2021-11-12 23:03:45,285 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:03:45,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-12 23:03:45,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/5b20697d0/9796f80a08254077bb52951c2582a08e/FLAGb58d30443 [2021-11-12 23:03:45,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/data/5b20697d0/9796f80a08254077bb52951c2582a08e [2021-11-12 23:03:45,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:03:45,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:03:45,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:45,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:03:45,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:03:45,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:45" (1/1) ... [2021-11-12 23:03:45,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148958b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:45, skipping insertion in model container [2021-11-12 23:03:45,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:03:45" (1/1) ... [2021-11-12 23:03:45,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:03:45,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:45,953 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_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-12 23:03:45,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:45,988 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:03:46,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:03:46,041 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_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-12 23:03:46,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:46,048 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:03:46,094 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_fda5305c-12d1-4aec-9490-cecb02fc65de/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-12 23:03:46,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:03:46,118 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:03:46,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46 WrapperNode [2021-11-12 23:03:46,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:03:46,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:46,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:03:46,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:03:46,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:03:46,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:03:46,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:03:46,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:03:46,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:03:46,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:03:46,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:03:46,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:03:46,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (1/1) ... [2021-11-12 23:03:46,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:03:46,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:03:46,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:03:46,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:03:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:03:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:03:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:03:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:03:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:03:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-12 23:03:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-12 23:03:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-12 23:03:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-12 23:03:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:03:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:03:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:03:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:03:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:03:46,303 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:03:47,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:03:47,185 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-12 23:03:47,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:47 BoogieIcfgContainer [2021-11-12 23:03:47,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:03:47,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:03:47,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:03:47,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:03:47,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:03:45" (1/3) ... [2021-11-12 23:03:47,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8cf375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:47, skipping insertion in model container [2021-11-12 23:03:47,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:03:46" (2/3) ... [2021-11-12 23:03:47,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8cf375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:03:47, skipping insertion in model container [2021-11-12 23:03:47,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:03:47" (3/3) ... [2021-11-12 23:03:47,195 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2021-11-12 23:03:47,200 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:03:47,200 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:03:47,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:03:47,200 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:03:47,237 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,238 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,238 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,238 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,238 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,239 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,240 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,240 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,241 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,241 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,242 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,243 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,243 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,244 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,245 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,245 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,245 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,245 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,246 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,246 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,247 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,247 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,247 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,248 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,248 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,248 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,248 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,259 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,260 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,260 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,261 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,262 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,262 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,262 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,263 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,263 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,264 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,265 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,267 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,268 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,269 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,269 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,273 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,277 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,278 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:03:47,285 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-12 23:03:47,331 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:03:47,340 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:03:47,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:03:47,373 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:03:47,392 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 272 transitions, 560 flow [2021-11-12 23:03:47,401 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 272 transitions, 560 flow [2021-11-12 23:03:47,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 272 transitions, 560 flow [2021-11-12 23:03:47,587 INFO L129 PetriNetUnfolder]: 26/270 cut-off events. [2021-11-12 23:03:47,590 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-12 23:03:47,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 270 events. 26/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 265 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 206. Up to 2 conditions per place. [2021-11-12 23:03:47,602 INFO L116 LiptonReduction]: Number of co-enabled transitions 972 [2021-11-12 23:04:36,074 WARN L227 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 140 DAG size of output: 139 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-12 23:04:49,517 WARN L227 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 153 DAG size of output: 152 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-12 23:04:53,729 INFO L131 LiptonReduction]: Checked pairs total: 1447 [2021-11-12 23:04:53,729 INFO L133 LiptonReduction]: Total number of compositions: 311 [2021-11-12 23:04:53,739 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 31 transitions, 78 flow [2021-11-12 23:04:53,758 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) [2021-11-12 23:04:53,760 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) [2021-11-12 23:04:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:04:53,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:53,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:53,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:04:53,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash -212414893, now seen corresponding path program 1 times [2021-11-12 23:04:53,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:04:53,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408582281] [2021-11-12 23:04:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:53,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:04:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:04:53,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:04:53,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:04:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:54,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:04:54,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:54,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:54,664 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:04:54,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408582281] [2021-11-12 23:04:54,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408582281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:54,665 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:54,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-11-12 23:04:54,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040507656] [2021-11-12 23:04:54,669 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:54,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:04:54,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:04:54,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:04:54,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:04:54,703 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 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 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) [2021-11-12 23:04:55,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:55,664 INFO L93 Difference]: Finished difference Result 148 states and 358 transitions. [2021-11-12 23:04:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:04:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 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 [2021-11-12 23:04:55,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:55,684 INFO L225 Difference]: With dead ends: 148 [2021-11-12 23:04:55,684 INFO L226 Difference]: Without dead ends: 78 [2021-11-12 23:04:55,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:04:55,689 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 54 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 755.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.44ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 858.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:55,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 15 Invalid, 124 Unknown, 0 Unchecked, 3.44ms Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 858.45ms Time] [2021-11-12 23:04:55,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-12 23:04:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2021-11-12 23:04:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 2.4078947368421053) internal successors, (183), 76 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 183 transitions. [2021-11-12 23:04:55,740 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 183 transitions. Word has length 16 [2021-11-12 23:04:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:55,741 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 183 transitions. [2021-11-12 23:04:55,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 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) [2021-11-12 23:04:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2021-11-12 23:04:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:04:55,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:55,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:55,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:55,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:04:55,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:04:55,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:55,961 INFO L85 PathProgramCache]: Analyzing trace with hash 923411649, now seen corresponding path program 1 times [2021-11-12 23:04:55,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:04:55,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640874704] [2021-11-12 23:04:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:55,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:04:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:04:55,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:04:56,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:04:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:56,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:04:56,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:56,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:56,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:04:56,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640874704] [2021-11-12 23:04:56,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640874704] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:56,681 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:56,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-11-12 23:04:56,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759018224] [2021-11-12 23:04:56,682 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:56,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:04:56,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:04:56,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:04:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:04:56,685 INFO L87 Difference]: Start difference. First operand 77 states and 183 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:57,515 INFO L93 Difference]: Finished difference Result 150 states and 360 transitions. [2021-11-12 23:04:57,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:04:57,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 18 [2021-11-12 23:04:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:57,524 INFO L225 Difference]: With dead ends: 150 [2021-11-12 23:04:57,524 INFO L226 Difference]: Without dead ends: 78 [2021-11-12 23:04:57,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:04:57,526 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 65 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 674.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.70ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 765.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:57,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 6 Invalid, 83 Unknown, 0 Unchecked, 2.70ms Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 765.27ms Time] [2021-11-12 23:04:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-12 23:04:57,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-12 23:04:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 2.3896103896103895) internal successors, (184), 77 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 184 transitions. [2021-11-12 23:04:57,541 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 184 transitions. Word has length 18 [2021-11-12 23:04:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:57,541 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 184 transitions. [2021-11-12 23:04:57,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 184 transitions. [2021-11-12 23:04:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:04:57,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:57,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:57,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:57,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:04:57,761 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:04:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:57,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1205623545, now seen corresponding path program 1 times [2021-11-12 23:04:57,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:04:57,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90957916] [2021-11-12 23:04:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:57,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:04:57,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:04:57,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:04:57,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:04:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:58,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-12 23:04:58,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:00,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:01,855 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:05:01,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90957916] [2021-11-12 23:05:01,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90957916] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:01,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [43467024] [2021-11-12 23:05:01,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:01,856 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:01,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:05:01,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:05:01,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-12 23:05:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:02,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 23:05:02,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:10,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:12,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [43467024] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:12,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045693252] [2021-11-12 23:05:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:12,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:05:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:05:12,047 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:05:12,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:05:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:12,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:05:12,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:05:13,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:05:14,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045693252] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:14,181 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:05:14,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6, 6, 7, 7] total 35 [2021-11-12 23:05:14,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409338222] [2021-11-12 23:05:14,182 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:05:14,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-12 23:05:14,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:05:14,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-12 23:05:14,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=996, Unknown=3, NotChecked=0, Total=1190 [2021-11-12 23:05:14,186 INFO L87 Difference]: Start difference. First operand 78 states and 184 transitions. Second operand has 35 states, 35 states have (on average 1.8857142857142857) internal successors, (66), 35 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:05:33,195 INFO L93 Difference]: Finished difference Result 454 states and 1100 transitions. [2021-11-12 23:05:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-12 23:05:33,200 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.8857142857142857) internal successors, (66), 35 states have internal predecessors, (66), 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 [2021-11-12 23:05:33,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:05:33,207 INFO L225 Difference]: With dead ends: 454 [2021-11-12 23:05:33,208 INFO L226 Difference]: Without dead ends: 454 [2021-11-12 23:05:33,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=1206, Invalid=5111, Unknown=3, NotChecked=0, Total=6320 [2021-11-12 23:05:33,213 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 927 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3535.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.52ms SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 117 IncrementalHoareTripleChecker+Unchecked, 4086.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:05:33,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 45 Invalid, 1057 Unknown, 0 Unchecked, 12.52ms Time], IncrementalHoareTripleChecker [295 Valid, 645 Invalid, 0 Unknown, 117 Unchecked, 4086.02ms Time] [2021-11-12 23:05:33,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-11-12 23:05:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 130. [2021-11-12 23:05:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 2.3488372093023258) internal successors, (303), 129 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 303 transitions. [2021-11-12 23:05:33,244 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 303 transitions. Word has length 19 [2021-11-12 23:05:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:05:33,244 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 303 transitions. [2021-11-12 23:05:33,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.8857142857142857) internal successors, (66), 35 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 303 transitions. [2021-11-12 23:05:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:05:33,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:05:33,247 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:05:33,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:05:33,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-12 23:05:33,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:05:33,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:33,872 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:05:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:05:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1002049952, now seen corresponding path program 1 times [2021-11-12 23:05:33,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:05:33,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297766146] [2021-11-12 23:05:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:33,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:05:33,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:05:33,876 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:05:33,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:05:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:34,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:05:34,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:34,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:34,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:05:34,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297766146] [2021-11-12 23:05:34,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297766146] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:34,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1023654704] [2021-11-12 23:05:34,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:34,742 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:05:34,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:05:34,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:05:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:35,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:05:35,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:05:38,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:05:40,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1023654704] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:40,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615860262] [2021-11-12 23:05:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:40,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:05:40,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:05:40,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:05:40,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:05:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:40,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:05:40,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:05:41,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:05:42,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615860262] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:05:42,328 INFO L186 FreeRefinementEngine]: Found 2 perfect and 4 imperfect interpolant sequences. [2021-11-12 23:05:42,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7, 9, 9] total 33 [2021-11-12 23:05:42,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177809967] [2021-11-12 23:05:42,328 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:05:42,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:05:42,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:05:42,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:05:42,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=904, Unknown=0, NotChecked=0, Total=1056 [2021-11-12 23:05:42,330 INFO L87 Difference]: Start difference. First operand 130 states and 303 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:05:43,332 INFO L93 Difference]: Finished difference Result 215 states and 522 transitions. [2021-11-12 23:05:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:05:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 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 23 [2021-11-12 23:05:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:05:43,339 INFO L225 Difference]: With dead ends: 215 [2021-11-12 23:05:43,339 INFO L226 Difference]: Without dead ends: 172 [2021-11-12 23:05:43,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=171, Invalid=1019, Unknown=0, NotChecked=0, Total=1190 [2021-11-12 23:05:43,344 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 47 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 641.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.36ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 723.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:05:43,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 12 Invalid, 130 Unknown, 0 Unchecked, 1.36ms Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 723.78ms Time] [2021-11-12 23:05:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-12 23:05:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2021-11-12 23:05:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 2.3566433566433567) internal successors, (337), 143 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 337 transitions. [2021-11-12 23:05:43,375 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 337 transitions. Word has length 23 [2021-11-12 23:05:43,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:05:43,376 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 337 transitions. [2021-11-12 23:05:43,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:05:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 337 transitions. [2021-11-12 23:05:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:05:43,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:05:43,381 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:05:43,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:05:43,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:05:43,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:05:43,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:43,990 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:05:43,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:05:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash 945596111, now seen corresponding path program 1 times [2021-11-12 23:05:43,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:05:43,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470680548] [2021-11-12 23:05:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:43,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:05:43,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:05:43,993 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:05:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:05:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:44,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 23:05:44,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:44,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:05:45,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:05:45,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470680548] [2021-11-12 23:05:45,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470680548] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:45,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [285440596] [2021-11-12 23:05:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:45,033 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:45,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:05:45,034 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:05:45,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:05:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:45,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:05:45,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:05:48,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:05:50,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [285440596] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:50,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756752968] [2021-11-12 23:05:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:50,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:05:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:05:51,001 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:05:51,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-12 23:05:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:51,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:05:51,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-12 23:05:54,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-12 23:05:57,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756752968] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:05:57,180 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:05:57,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 9, 8, 10] total 42 [2021-11-12 23:05:57,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048650677] [2021-11-12 23:05:57,181 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:05:57,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-12 23:05:57,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:05:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-12 23:05:57,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2021-11-12 23:05:57,183 INFO L87 Difference]: Start difference. First operand 144 states and 337 transitions. Second operand has 42 states, 42 states have (on average 2.3333333333333335) internal successors, (98), 42 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:25,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:25,567 INFO L93 Difference]: Finished difference Result 514 states and 1206 transitions. [2021-11-12 23:06:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-12 23:06:25,572 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 2.3333333333333335) internal successors, (98), 42 states have internal predecessors, (98), 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 26 [2021-11-12 23:06:25,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:25,577 INFO L225 Difference]: With dead ends: 514 [2021-11-12 23:06:25,578 INFO L226 Difference]: Without dead ends: 514 [2021-11-12 23:06:25,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1815 ImplicationChecksByTransitivity, 29.2s TimeCoverageRelationStatistics Valid=1310, Invalid=6700, Unknown=0, NotChecked=0, Total=8010 [2021-11-12 23:06:25,582 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 718 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7787.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.92ms SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 8824.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:25,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 141 Invalid, 1773 Unknown, 0 Unchecked, 16.92ms Time], IncrementalHoareTripleChecker [252 Valid, 1463 Invalid, 0 Unknown, 58 Unchecked, 8824.64ms Time] [2021-11-12 23:06:25,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-11-12 23:06:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 483. [2021-11-12 23:06:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 482 states have (on average 2.4149377593360994) internal successors, (1164), 482 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 1164 transitions. [2021-11-12 23:06:25,615 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 1164 transitions. Word has length 26 [2021-11-12 23:06:25,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:25,615 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 1164 transitions. [2021-11-12 23:06:25,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.3333333333333335) internal successors, (98), 42 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1164 transitions. [2021-11-12 23:06:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-12 23:06:25,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:25,643 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:25,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2021-11-12 23:06:25,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:26,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:26,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:06:26,247 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-12 23:06:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash -130864470, now seen corresponding path program 1 times [2021-11-12 23:06:26,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:26,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89092191] [2021-11-12 23:06:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:26,250 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:26,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:26,254 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda5305c-12d1-4aec-9490-cecb02fc65de/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:06:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:27,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-12 23:06:27,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:06:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:06:27,556 INFO L354 Elim1Store]: treesize reduction 191, result has 20.1 percent of original size [2021-11-12 23:06:27,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 53 [2021-11-12 23:06:29,521 INFO L354 Elim1Store]: treesize reduction 69, result has 34.9 percent of original size [2021-11-12 23:06:29,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 69 [2021-11-12 23:06:31,379 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-11-12 23:06:31,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 77 treesize of output 114 [2021-11-12 23:06:33,999 INFO L354 Elim1Store]: treesize reduction 60, result has 25.9 percent of original size [2021-11-12 23:06:34,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 106 treesize of output 114 [2021-11-12 23:06:36,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-11-12 23:06:36,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:38,705 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-12 23:06:38,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 84 [2021-11-12 23:06:38,895 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-12 23:06:38,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 64 [2021-11-12 23:06:43,735 INFO L354 Elim1Store]: treesize reduction 163, result has 15.1 percent of original size [2021-11-12 23:06:43,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 191 treesize of output 199 [2021-11-12 23:06:44,029 INFO L354 Elim1Store]: treesize reduction 336, result has 2.0 percent of original size [2021-11-12 23:06:44,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 199 treesize of output 138 [2021-11-12 23:06:44,321 INFO L354 Elim1Store]: treesize reduction 336, result has 2.0 percent of original size [2021-11-12 23:06:44,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 151 treesize of output 106 [2021-11-12 23:07:15,582 INFO L354 Elim1Store]: treesize reduction 926, result has 0.8 percent of original size [2021-11-12 23:07:15,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 603 treesize of output 458 [2021-11-12 23:07:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:17,071 INFO L354 Elim1Store]: treesize reduction 4103, result has 3.8 percent of original size [2021-11-12 23:07:17,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 471 treesize of output 403 [2021-11-12 23:07:17,287 INFO L354 Elim1Store]: treesize reduction 523, result has 1.3 percent of original size [2021-11-12 23:07:17,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 487 treesize of output 398 [2021-11-12 23:07:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 406 treesize of output 329 [2021-11-12 23:07:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:07:34,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:07:35,821 INFO L354 Elim1Store]: treesize reduction 1558, result has 13.7 percent of original size [2021-11-12 23:07:35,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 13 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 358 treesize of output 430 [2021-11-12 23:08:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:41,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 23:12:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:12:48,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:50,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 836 [2021-11-12 23:12:50,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1036 [2021-11-12 23:13:40,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:13:40,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7556 [2021-11-12 23:13:40,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:13:40,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7900 [2021-11-12 23:15:31,950 WARN L860 $PredicateComparison]: unable to prove that (or (bvslt (bvadd c_thread2Thread1of1ForFork1_~j~0 (_ bv1 32)) c_~M~0) (forall ((v_~b~0_75 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_~a~0_77 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (or (not (bvsge v_~b~0_75 (_ bv0 32))) (not (bvslt v_~b~0_75 c_~M~0)) (let ((.cse24 (bvadd (bvmul c_thread2Thread1of1ForFork1_~i~1 (_ bv4 32)) c_~B~0.offset))) (let ((.cse21 (bvmul c_thread2Thread1of1ForFork1_~j~0 (_ bv4 32))) (.cse23 (select (select |c_#memory_$Pointer$.offset| c_~B~0.base) .cse24))) (let ((.cse7 (select (select |c_#memory_$Pointer$.base| c_~B~0.base) .cse24)) (.cse8 (bvadd .cse21 .cse23)) (.cse9 (bvadd .cse21 .cse23 (_ bv1 32))) (.cse10 (bvadd (_ bv2 32) .cse21 .cse23)) (.cse11 (bvadd (_ bv3 32) .cse21 .cse23))) (let ((.cse4 (bvadd c_~A~0.offset (_ bv1 32))) (.cse5 (bvadd c_~A~0.offset (_ bv2 32))) (.cse6 (bvadd c_~A~0.offset (_ bv3 32))) (.cse13 (store |c_#memory_int| .cse7 (let ((.cse19 (let ((.cse20 (select |c_#memory_int| c_~F~0.base)) (.cse22 (bvmul (bvmul c_thread2Thread1of1ForFork1_~i~1 c_~M~0) (_ bv4 32)))) (concat (concat (concat (select .cse20 (bvadd (_ bv3 32) .cse21 .cse22 c_~F~0.offset)) (select .cse20 (bvadd (_ bv2 32) .cse21 .cse22 c_~F~0.offset))) (select .cse20 (bvadd .cse21 .cse22 (_ bv1 32) c_~F~0.offset))) (select .cse20 (bvadd .cse21 .cse22 c_~F~0.offset)))))) (store (store (store (store (select |c_#memory_int| .cse7) .cse8 ((_ extract 7 0) .cse19)) .cse9 ((_ extract 15 8) .cse19)) .cse10 ((_ extract 23 16) .cse19)) .cse11 ((_ extract 31 24) .cse19)))))) (let ((.cse14 (let ((.cse17 (let ((.cse18 (select .cse13 c_~F~0.base))) (concat (concat (concat (select .cse18 (bvadd (_ bv3 32) c_~F~0.offset)) (select .cse18 (bvadd (_ bv2 32) c_~F~0.offset))) (select .cse18 (bvadd (_ bv1 32) c_~F~0.offset))) (select .cse18 c_~F~0.offset))))) (store (store (store (store (select .cse13 c_~A~0.base) c_~A~0.offset ((_ extract 7 0) .cse17)) .cse4 ((_ extract 15 8) .cse17)) .cse5 ((_ extract 23 16) .cse17)) .cse6 ((_ extract 31 24) .cse17)))) (.cse1 (bvmul v_~b~0_75 (_ bv4 32)))) (= (let ((.cse12 (bvadd (bvmul v_~a~0_77 (_ bv4 32)) c_~B~0.offset))) (let ((.cse0 (select (store .cse13 c_~A~0.base .cse14) (select (select (let ((.cse15 (store |c_#memory_$Pointer$.base| .cse7 (store (store (store (store (select |c_#memory_$Pointer$.base| .cse7) .cse8 v_DerPreprocessor_9) .cse9 v_DerPreprocessor_10) .cse10 v_DerPreprocessor_11) .cse11 v_DerPreprocessor_12)))) (store .cse15 c_~A~0.base (store (store (store (store (select .cse15 c_~A~0.base) c_~A~0.offset v_DerPreprocessor_1) .cse4 v_DerPreprocessor_2) .cse5 v_DerPreprocessor_3) .cse6 v_DerPreprocessor_4))) c_~B~0.base) .cse12))) (.cse2 (select (select (let ((.cse3 (store |c_#memory_$Pointer$.offset| .cse7 (store (store (store (store (select |c_#memory_$Pointer$.offset| .cse7) .cse8 v_DerPreprocessor_13) .cse9 v_DerPreprocessor_14) .cse10 v_DerPreprocessor_15) .cse11 v_DerPreprocessor_16)))) (store .cse3 c_~A~0.base (store (store (store (store (select .cse3 c_~A~0.base) c_~A~0.offset v_DerPreprocessor_5) .cse4 v_DerPreprocessor_6) .cse5 v_DerPreprocessor_7) .cse6 v_DerPreprocessor_8))) c_~B~0.base) .cse12))) (concat (concat (concat (select .cse0 (bvadd .cse1 (_ bv3 32) .cse2)) (select .cse0 (bvadd .cse1 (_ bv2 32) .cse2))) (select .cse0 (bvadd .cse1 .cse2 (_ bv1 32)))) (select .cse0 (bvadd .cse1 .cse2))))) (let ((.cse16 (bvmul (bvmul v_~a~0_77 c_~M~0) (_ bv4 32)))) (concat (concat (concat (select .cse14 (bvadd c_~A~0.offset .cse1 .cse16 (_ bv3 32))) (select .cse14 (bvadd c_~A~0.offset .cse1 (_ bv2 32) .cse16))) (select .cse14 (bvadd c_~A~0.offset .cse1 .cse16 (_ bv1 32)))) (select .cse14 (bvadd c_~A~0.offset .cse1 .cse16)))))))))) (not (bvslt v_~a~0_77 c_~N~0)) (not (bvsge v_~a~0_77 (_ bv0 32)))))) is different from true [2021-11-12 23:16:59,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:16:59,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100749 [2021-11-12 23:16:59,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:16:59,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115502