./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:44,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:44,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:44,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:44,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:44,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:44,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:44,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:44,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:44,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:44,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:44,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:44,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:44,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:44,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:44,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:44,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:44,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:44,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:44,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:44,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:44,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:44,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:44,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:44,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:44,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:44,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:44,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:44,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:44,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:44,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:44,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:44,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:44,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:44,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:44,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:44,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:44,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:44,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:44,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:44,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:44,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:28:44,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:44,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:44,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:44,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:44,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:44,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:44,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:44,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:44,919 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:44,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:44,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:44,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:28:44,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:44,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:44,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:44,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:44,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:44,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:44,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:28:44,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:28:44,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:44,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:44,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:44,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:44,923 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2021-12-15 12:28:45,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:45,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:45,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:45,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:45,309 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:45,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-12-15 12:28:45,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ca1f4db/e6ab5665b63b4b658bd928a878796316/FLAG8202c649b [2021-12-15 12:28:45,864 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:45,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-12-15 12:28:45,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ca1f4db/e6ab5665b63b4b658bd928a878796316/FLAG8202c649b [2021-12-15 12:28:46,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ca1f4db/e6ab5665b63b4b658bd928a878796316 [2021-12-15 12:28:46,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:46,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:46,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:46,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:46,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:46,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1d1755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46, skipping insertion in model container [2021-12-15 12:28:46,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:46,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:46,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-12-15 12:28:46,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:46,529 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:46,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-12-15 12:28:46,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:46,561 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:46,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46 WrapperNode [2021-12-15 12:28:46,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:46,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:46,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:46,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:46,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,607 INFO L137 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 275 [2021-12-15 12:28:46,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:46,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:46,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:46,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:46,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:46,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:46,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:46,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:46,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:46" (1/1) ... [2021-12-15 12:28:46,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:46,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:28:46,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:28:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:28:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:28:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:46,726 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:28:46,807 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:46,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:47,083 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:47,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:28:47,142 INFO L158 Benchmark]: Toolchain (without parser) took 785.75ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 76.5MB in the beginning and 84.0MB in the end (delta: -7.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-12-15 12:28:47,142 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:47,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.81ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 76.2MB in the beginning and 113.7MB in the end (delta: -37.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:28:47,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.96ms. Allocated memory is still 140.5MB. Free memory was 113.7MB in the beginning and 111.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:47,144 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:47,144 INFO L158 Benchmark]: RCFGBuilder took 501.98ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 84.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:28:47,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.81ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 76.2MB in the beginning and 113.7MB in the end (delta: -37.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.96ms. Allocated memory is still 140.5MB. Free memory was 113.7MB in the beginning and 111.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.98ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 84.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:47,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:48,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:48,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:48,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:48,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:48,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:48,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:48,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:48,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:49,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:49,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:49,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:49,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:49,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:49,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:49,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:49,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:49,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:49,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:49,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:49,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:49,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:49,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:49,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:49,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:49,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:49,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:49,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:49,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:49,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:49,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:49,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:49,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:49,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:49,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:49,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:49,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:49,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:49,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:49,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:49,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:49,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:28:49,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:49,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:49,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:49,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:49,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:49,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:49,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:49,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:49,051 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:49,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:49,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:49,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:28:49,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:28:49,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:28:49,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:49,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:49,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:49,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:49,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:49,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:49,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:49,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:49,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:49,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:49,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:49,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:49,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:28:49,057 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2021-12-15 12:28:49,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:49,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:49,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:49,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:49,328 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:49,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-12-15 12:28:49,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac60ef85/d45a8e7818d247baa093fbb64fdf01f3/FLAGb77714f5b [2021-12-15 12:28:49,767 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:49,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-12-15 12:28:49,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac60ef85/d45a8e7818d247baa093fbb64fdf01f3/FLAGb77714f5b [2021-12-15 12:28:49,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac60ef85/d45a8e7818d247baa093fbb64fdf01f3 [2021-12-15 12:28:49,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:49,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:49,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:49,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:49,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:49,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:49" (1/1) ... [2021-12-15 12:28:49,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a59975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:49, skipping insertion in model container [2021-12-15 12:28:49,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:49" (1/1) ... [2021-12-15 12:28:49,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:49,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:49,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-12-15 12:28:50,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:50,014 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:28:50,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:50,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-12-15 12:28:50,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:50,088 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:50,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-12-15 12:28:50,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:50,143 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:50,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50 WrapperNode [2021-12-15 12:28:50,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:50,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:50,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:50,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:50,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,183 INFO L137 Inliner]: procedures = 28, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 267 [2021-12-15 12:28:50,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:50,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:50,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:50,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:50,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:50,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:50,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:50,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:50,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:50" (1/1) ... [2021-12-15 12:28:50,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:50,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:50,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:28:50,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:28:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:28:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:28:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:28:50,300 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:28:50,367 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:50,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:50,763 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:50,853 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:28:50,860 INFO L158 Benchmark]: Toolchain (without parser) took 1058.11ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 52.3MB in the beginning and 63.1MB in the end (delta: -10.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-12-15 12:28:50,861 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:50,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.58ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:28:50,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.30ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 47.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:50,863 INFO L158 Benchmark]: Boogie Preprocessor took 55.72ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 45.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:50,864 INFO L158 Benchmark]: RCFGBuilder took 614.19ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 63.1MB in the end (delta: -18.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-15 12:28:50,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.58ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.30ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 47.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.72ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 45.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.19ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 63.1MB in the end (delta: -18.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:50,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable