./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:40:38,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:40:38,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:40:38,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:40:38,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:40:38,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:40:38,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:40:38,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:40:38,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:40:38,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:40:38,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:40:38,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:40:38,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:40:38,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:40:38,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:40:38,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:40:38,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:40:38,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:40:38,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:40:38,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:40:38,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:40:38,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:40:38,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:40:38,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:40:38,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:40:38,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:40:38,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:40:38,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:40:38,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:40:38,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:40:38,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:40:38,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:40:38,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:40:38,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:40:38,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:40:38,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:40:38,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:40:38,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:40:38,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:40:38,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:40:38,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:40:38,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:40:38,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:40:38,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:40:38,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:40:38,321 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:40:38,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:40:38,321 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:40:38,322 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:40:38,322 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:40:38,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:40:38,322 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:40:38,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:40:38,323 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:40:38,323 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:40:38,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:40:38,324 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:40:38,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:40:38,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:40:38,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:40:38,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:40:38,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:40:38,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:40:38,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:40:38,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:40:38,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:40:38,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:40:38,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:40:38,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:40:38,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:40:38,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:40:38,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:40:38,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:38,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:40:38,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:40:38,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:40:38,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:40:38,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:40:38,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:40:38,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:40:38,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:40:38,331 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 [2021-10-29 04:40:38,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:40:38,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:40:38,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:40:38,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:40:38,641 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:40:38,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2021-10-29 04:40:38,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/22b5b76e6/321896fe95dc4f00ab03ae3b53134029/FLAGe2995c613 [2021-10-29 04:40:39,317 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:39,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2021-10-29 04:40:39,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/22b5b76e6/321896fe95dc4f00ab03ae3b53134029/FLAGe2995c613 [2021-10-29 04:40:39,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/22b5b76e6/321896fe95dc4f00ab03ae3b53134029 [2021-10-29 04:40:39,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:39,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:39,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:39,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:39,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:39,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:39" (1/1) ... [2021-10-29 04:40:39,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b2e92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:39, skipping insertion in model container [2021-10-29 04:40:39,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:39" (1/1) ... [2021-10-29 04:40:39,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:39,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:39,907 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2021-10-29 04:40:39,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:39,926 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 04:40:39,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f0ed300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:39, skipping insertion in model container [2021-10-29 04:40:39,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:39,928 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:40:39,930 INFO L168 Benchmark]: Toolchain (without parser) took 270.62 ms. Allocated memory is still 115.3 MB. Free memory was 83.7 MB in the beginning and 89.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:39,931 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 115.3 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:40:39,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.55 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 89.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:39,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 115.3 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.55 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 89.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 111]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:40:42,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:40:42,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:40:42,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:40:42,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:40:42,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:40:42,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:40:42,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:40:42,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:40:42,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:40:42,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:40:42,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:40:42,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:40:42,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:40:42,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:40:42,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:40:42,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:40:42,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:40:42,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:40:42,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:40:42,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:40:42,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:40:42,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:40:42,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:40:42,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:40:42,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:40:42,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:40:42,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:40:42,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:40:42,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:40:42,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:40:42,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:40:42,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:40:42,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:40:42,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:40:42,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:40:42,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:40:42,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:40:42,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:40:42,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:40:42,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:40:42,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:40:42,749 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:40:42,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:40:42,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:40:42,751 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:40:42,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:40:42,752 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:40:42,752 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:40:42,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:40:42,753 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:40:42,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:40:42,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:40:42,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:40:42,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:40:42,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:40:42,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:40:42,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:40:42,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:40:42,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:40:42,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:40:42,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:40:42,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:40:42,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:40:42,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:40:42,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:40:42,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:40:42,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:40:42,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:42,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:40:42,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:40:42,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:40:42,760 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:40:42,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:40:42,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:40:42,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:40:42,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:40:42,762 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 [2021-10-29 04:40:43,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:40:43,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:40:43,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:40:43,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:40:43,301 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:40:43,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2021-10-29 04:40:43,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/c16fec1d9/4a8b1901f1a24022913ba020048756a3/FLAG3c4544a39 [2021-10-29 04:40:44,130 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:44,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c [2021-10-29 04:40:44,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/c16fec1d9/4a8b1901f1a24022913ba020048756a3/FLAG3c4544a39 [2021-10-29 04:40:44,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/data/c16fec1d9/4a8b1901f1a24022913ba020048756a3 [2021-10-29 04:40:44,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:44,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:44,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:44,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:44,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:44,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:44" (1/1) ... [2021-10-29 04:40:44,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5995598d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:44, skipping insertion in model container [2021-10-29 04:40:44,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:44" (1/1) ... [2021-10-29 04:40:44,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:44,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:44,830 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2021-10-29 04:40:44,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:44,903 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:40:44,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:44,960 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2021-10-29 04:40:44,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:44,982 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:40:45,040 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_7786ab52-21a2-4eb8-9428-6fc74634a75a/sv-benchmarks/c/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2021-10-29 04:40:45,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:45,074 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:40:45,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45 WrapperNode [2021-10-29 04:40:45,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:45,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:45,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:40:45,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:40:45,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:45,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:40:45,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:40:45,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:40:45,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:40:45,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:40:45,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:40:45,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:40:45,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (1/1) ... [2021-10-29 04:40:45,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:45,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:40:45,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:40:45,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:40:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:40:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:40:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 04:40:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 04:40:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 04:40:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 04:40:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 04:40:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 04:40:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 04:40:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 04:40:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:40:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:40:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:40:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:40:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:40:45,383 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:40:46,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:40:46,485 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-29 04:40:46,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:46 BoogieIcfgContainer [2021-10-29 04:40:46,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:40:46,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:40:46,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:40:46,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:40:46,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:40:44" (1/3) ... [2021-10-29 04:40:46,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58333419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:46, skipping insertion in model container [2021-10-29 04:40:46,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:45" (2/3) ... [2021-10-29 04:40:46,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58333419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:40:46, skipping insertion in model container [2021-10-29 04:40:46,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:46" (3/3) ... [2021-10-29 04:40:46,514 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2021-10-29 04:40:46,520 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 04:40:46,520 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:40:46,520 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:40:46,520 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 04:40:46,593 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,594 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,594 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,595 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,595 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,595 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,596 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,596 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,596 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,596 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,597 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,597 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,597 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,597 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,598 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,598 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,598 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,598 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,599 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,599 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,599 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,600 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,601 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,601 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,602 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,602 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,602 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,603 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,603 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,603 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,603 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,604 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,605 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,605 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,605 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,605 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,606 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,607 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,607 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,607 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,607 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,608 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,608 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,608 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,609 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,609 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,609 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,609 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,610 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,610 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,610 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,610 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,611 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,611 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,611 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,612 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,612 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,612 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,612 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,614 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,614 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,614 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,614 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,615 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,615 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,615 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,615 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,616 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,616 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,617 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,617 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,618 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,618 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,618 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,618 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,619 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,623 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,627 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,628 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,628 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:40:46,644 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 04:40:46,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:40:46,712 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:40:46,712 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 04:40:46,734 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 04:40:46,747 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 203 transitions, 430 flow [2021-10-29 04:40:46,750 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 203 transitions, 430 flow [2021-10-29 04:40:46,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 203 transitions, 430 flow [2021-10-29 04:40:46,849 INFO L129 PetriNetUnfolder]: 20/200 cut-off events. [2021-10-29 04:40:46,849 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 04:40:46,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 200 events. 20/200 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 150 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2021-10-29 04:40:46,859 INFO L116 LiptonReduction]: Number of co-enabled transitions 1874 [2021-10-29 04:41:11,925 INFO L131 LiptonReduction]: Checked pairs total: 2595 [2021-10-29 04:41:11,925 INFO L133 LiptonReduction]: Total number of compositions: 203 [2021-10-29 04:41:11,935 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 35 transitions, 94 flow [2021-10-29 04:41:11,960 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 167 states, 166 states have (on average 3.3373493975903616) internal successors, (554), 166 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 166 states have (on average 3.3373493975903616) internal successors, (554), 166 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:41:11,976 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:11,977 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:11,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 04:41:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1633447191, now seen corresponding path program 1 times [2021-10-29 04:41:11,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:11,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299639187] [2021-10-29 04:41:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:11,999 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:11,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:12,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:12,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:41:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:12,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 04:41:12,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:12,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:12,930 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:12,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299639187] [2021-10-29 04:41:12,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299639187] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:12,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:12,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-29 04:41:12,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017408305] [2021-10-29 04:41:12,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:41:12,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:12,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:41:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:12,964 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 3.3373493975903616) internal successors, (554), 166 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:13,046 INFO L93 Difference]: Finished difference Result 282 states and 944 transitions. [2021-10-29 04:41:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:13,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 22 [2021-10-29 04:41:13,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:13,072 INFO L225 Difference]: With dead ends: 282 [2021-10-29 04:41:13,073 INFO L226 Difference]: Without dead ends: 267 [2021-10-29 04:41:13,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-10-29 04:41:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 241. [2021-10-29 04:41:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 3.3958333333333335) internal successors, (815), 240 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 815 transitions. [2021-10-29 04:41:13,147 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 815 transitions. Word has length 22 [2021-10-29 04:41:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:13,148 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 815 transitions. [2021-10-29 04:41:13,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 815 transitions. [2021-10-29 04:41:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:41:13,153 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:13,154 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:13,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:13,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:13,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 04:41:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1822811530, now seen corresponding path program 1 times [2021-10-29 04:41:13,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:13,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731183777] [2021-10-29 04:41:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:13,357 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:13,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:13,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:41:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:13,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:41:13,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:13,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:13,818 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:13,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731183777] [2021-10-29 04:41:13,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731183777] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:13,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:13,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 04:41:13,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723105303] [2021-10-29 04:41:13,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:41:13,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:13,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:41:13,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:13,821 INFO L87 Difference]: Start difference. First operand 241 states and 815 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:14,093 INFO L93 Difference]: Finished difference Result 173 states and 551 transitions. [2021-10-29 04:41:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:41:14,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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 24 [2021-10-29 04:41:14,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:14,098 INFO L225 Difference]: With dead ends: 173 [2021-10-29 04:41:14,101 INFO L226 Difference]: Without dead ends: 161 [2021-10-29 04:41:14,107 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-10-29 04:41:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-10-29 04:41:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 3.21875) internal successors, (515), 160 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 515 transitions. [2021-10-29 04:41:14,135 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 515 transitions. Word has length 24 [2021-10-29 04:41:14,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:14,136 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 515 transitions. [2021-10-29 04:41:14,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:14,137 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 515 transitions. [2021-10-29 04:41:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:41:14,143 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:14,143 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:14,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 04:41:14,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:14,359 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 04:41:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash 380688025, now seen corresponding path program 1 times [2021-10-29 04:41:14,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:14,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262207669] [2021-10-29 04:41:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:14,360 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:14,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:14,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:41:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:14,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:41:14,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:14,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:14,933 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:14,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262207669] [2021-10-29 04:41:14,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262207669] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:14,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:14,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 04:41:14,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340929832] [2021-10-29 04:41:14,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:41:14,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:14,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:41:14,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:14,936 INFO L87 Difference]: Start difference. First operand 161 states and 515 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:15,214 INFO L93 Difference]: Finished difference Result 241 states and 728 transitions. [2021-10-29 04:41:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:41:15,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 24 [2021-10-29 04:41:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:15,219 INFO L225 Difference]: With dead ends: 241 [2021-10-29 04:41:15,220 INFO L226 Difference]: Without dead ends: 205 [2021-10-29 04:41:15,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:15,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-29 04:41:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 177. [2021-10-29 04:41:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 3.1363636363636362) internal successors, (552), 176 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 552 transitions. [2021-10-29 04:41:15,235 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 552 transitions. Word has length 24 [2021-10-29 04:41:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:15,235 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 552 transitions. [2021-10-29 04:41:15,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 552 transitions. [2021-10-29 04:41:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:41:15,237 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:15,237 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:15,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:15,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:15,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 04:41:15,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash 575943431, now seen corresponding path program 1 times [2021-10-29 04:41:15,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:15,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209204649] [2021-10-29 04:41:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:15,453 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:15,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:15,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:15,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:41:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:15,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:41:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:41:15,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:41:15,962 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:15,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209204649] [2021-10-29 04:41:15,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209204649] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:15,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:15,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 04:41:15,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587919576] [2021-10-29 04:41:15,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:41:15,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:15,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:41:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:15,965 INFO L87 Difference]: Start difference. First operand 177 states and 552 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:16,027 INFO L93 Difference]: Finished difference Result 55 states and 128 transitions. [2021-10-29 04:41:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:41:16,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 25 [2021-10-29 04:41:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:16,028 INFO L225 Difference]: With dead ends: 55 [2021-10-29 04:41:16,028 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:41:16,029 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:16,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:41:16,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:41:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:41:16,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-29 04:41:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:16,030 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:41:16,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:41:16,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:41:16,033 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:41:16,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 04:41:16,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 04:41:16,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 04:41:16,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:16,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:16,245 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 04:41:16,247 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 04:41:16,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:41:16,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:41:16 BasicIcfg [2021-10-29 04:41:16,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:41:16,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:41:16,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:41:16,250 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:41:16,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:40:46" (3/4) ... [2021-10-29 04:41:16,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:41:16,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 04:41:16,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 04:41:16,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 04:41:16,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-29 04:41:16,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:41:16,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:16,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:16,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:41:16,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:41:16,377 INFO L168 Benchmark]: Toolchain (without parser) took 31921.95 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 75.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,378 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:16,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.06 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 62.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.56 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,379 INFO L168 Benchmark]: Boogie Preprocessor took 84.52 ms. Allocated memory is still 81.8 MB. Free memory was 60.5 MB in the beginning and 58.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:16,380 INFO L168 Benchmark]: RCFGBuilder took 1234.65 ms. Allocated memory is still 81.8 MB. Free memory was 58.7 MB in the beginning and 35.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,380 INFO L168 Benchmark]: TraceAbstraction took 29758.84 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 26.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,381 INFO L168 Benchmark]: Witness Printer took 125.88 ms. Allocated memory is still 100.7 MB. Free memory was 26.1 MB in the beginning and 75.0 MB in the end (delta: -48.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:16,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.06 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 62.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.56 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.52 ms. Allocated memory is still 81.8 MB. Free memory was 60.5 MB in the beginning and 58.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1234.65 ms. Allocated memory is still 81.8 MB. Free memory was 58.7 MB in the beginning and 35.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29758.84 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 26.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 125.88 ms. Allocated memory is still 100.7 MB. Free memory was 26.1 MB in the beginning and 75.0 MB in the end (delta: -48.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.1s, 193 PlacesBefore, 38 PlacesAfterwards, 203 TransitionsBefore, 35 TransitionsAfterwards, 1874 CoEnabledTransitionPairs, 6 FixpointIterations, 120 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 30 TrivialYvCompositions, 6 ConcurrentYvCompositions, 13 ChoiceCompositions, 203 TotalNumberOfCompositions, 2595 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2076, positive: 2012, positive conditional: 0, positive unconditional: 2012, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1243, positive: 1216, positive conditional: 0, positive unconditional: 1216, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1243, positive: 1216, positive conditional: 0, positive unconditional: 1216, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3793, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3793, negative conditional: 0, negative unconditional: 3793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2076, positive: 796, positive conditional: 0, positive unconditional: 796, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 1243, unknown conditional: 0, unknown unconditional: 1243] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 102]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 221 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 29.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 25.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 114 SDslu, 128 SDs, 0 SdLazy, 68 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 844 SizeOfPredicates, 14 NumberOfNonLiveVariables, 522 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 04:41:16,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7786ab52-21a2-4eb8-9428-6fc74634a75a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...