./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:51:33,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:51:33,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:51:33,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:51:33,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:51:33,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:51:33,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:51:33,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:51:33,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:51:33,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:51:33,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:51:33,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:51:33,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:51:33,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:51:33,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:51:33,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:51:33,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:51:33,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:51:33,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:51:33,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:51:33,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:51:33,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:51:33,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:51:33,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:51:33,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:51:33,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:51:33,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:51:33,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:51:33,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:51:33,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:51:33,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:51:33,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:51:33,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:51:33,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:51:33,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:51:33,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:51:33,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:51:33,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:51:33,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:51:33,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:51:33,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:51:33,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:51:33,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:51:33,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:51:33,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:51:33,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:51:33,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:51:33,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:51:33,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:51:33,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:51:33,602 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:51:33,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:51:33,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:51:33,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:51:33,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:51:33,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:51:33,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:51:33,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:51:33,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:51:33,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:51:33,605 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:51:33,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:51:33,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:51:33,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:51:33,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:51:33,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:51:33,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:51:33,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:51:33,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:51:33,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:51:33,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:51:33,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:51:33,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:51:33,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:51:33,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:51:33,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:51:33,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:51:33,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 [2022-11-21 16:51:33,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:51:33,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:51:33,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:51:33,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:51:33,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:51:33,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-21 16:51:37,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:51:37,257 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:51:37,258 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-21 16:51:37,266 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/data/5a0265cd0/dd21d7e15b3c44e08f97606a7d424826/FLAG2271cd111 [2022-11-21 16:51:37,280 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/data/5a0265cd0/dd21d7e15b3c44e08f97606a7d424826 [2022-11-21 16:51:37,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:51:37,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:51:37,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:51:37,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:51:37,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:51:37,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513a574b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37, skipping insertion in model container [2022-11-21 16:51:37,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:51:37,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:51:37,513 WARN L237 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_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-21 16:51:37,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:51:37,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:51:37,555 WARN L237 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_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-21 16:51:37,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:51:37,572 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:51:37,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37 WrapperNode [2022-11-21 16:51:37,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:51:37,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:51:37,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:51:37,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:51:37,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,636 INFO L138 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 517 [2022-11-21 16:51:37,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:51:37,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:51:37,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:51:37,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:51:37,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:51:37,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:51:37,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:51:37,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:51:37,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (1/1) ... [2022-11-21 16:51:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:51:37,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:51:37,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:51:37,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ddab2-de21-4b90-8a50-1e29c0e3da6e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:51:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:51:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:51:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:51:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:51:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:51:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:51:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:51:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:51:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:51:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:51:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:51:37,791 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:51:37,906 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:51:37,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:51:38,826 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:51:44,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:51:44,531 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:51:44,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:44 BoogieIcfgContainer [2022-11-21 16:51:44,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:51:44,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:51:44,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:51:44,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:51:44,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:51:37" (1/3) ... [2022-11-21 16:51:44,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0f448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:51:44, skipping insertion in model container [2022-11-21 16:51:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:37" (2/3) ... [2022-11-21 16:51:44,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0f448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:51:44, skipping insertion in model container [2022-11-21 16:51:44,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:44" (3/3) ... [2022-11-21 16:51:44,547 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2022-11-21 16:51:44,557 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:51:44,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:51:44,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-21 16:51:44,568 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:51:46,047 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 16:51:46,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 196 transitions, 416 flow [2022-11-21 16:51:46,521 INFO L130 PetriNetUnfolder]: 1/193 cut-off events. [2022-11-21 16:51:46,521 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:51:46,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 193 events. 1/193 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 494 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2022-11-21 16:51:46,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 196 transitions, 416 flow [2022-11-21 16:51:46,538 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 172 transitions, 359 flow [2022-11-21 16:51:46,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:51:46,567 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4254fc7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:51:46,567 INFO L358 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2022-11-21 16:51:46,600 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2022-11-21 16:51:46,601 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:51:46,601 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:51:46,602 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:51:46,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-21 16:51:46,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:51:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash 384717836, now seen corresponding path program 1 times [2022-11-21 16:51:46,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:51:46,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612169654] [2022-11-21 16:51:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:46,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:51:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:51:47,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:51:47,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612169654] [2022-11-21 16:51:47,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612169654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:51:47,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:51:47,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:51:47,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010300677] [2022-11-21 16:51:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:51:47,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:51:47,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:51:47,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:51:47,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:51:47,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 196 [2022-11-21 16:51:47,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 172 transitions, 359 flow. Second operand has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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) [2022-11-21 16:51:47,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:51:47,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 196 [2022-11-21 16:51:47,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand