./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:56,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:56,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:56,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:56,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:56,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:56,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:56,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:56,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:56,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:56,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:56,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:56,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:56,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:56,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:56,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:56,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:56,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:56,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:56,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:56,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:56,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:56,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:56,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:56,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:56,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:56,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:56,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:56,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:56,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:56,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:56,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:56,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:56,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:56,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:56,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:56,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:56,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:56,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:56,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:56,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:56,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:56,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:56,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:56,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:56,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:56,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:56,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:56,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:56,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:56,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:56,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:56,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:56,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:56,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:56,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:56,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:56,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:56,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:56,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:56,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:56,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:56,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:56,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:56,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:56,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:56,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:56,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:56,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:56,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:56,803 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa [2021-11-23 15:58:57,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:57,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:57,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:57,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:57,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:57,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-11-23 15:58:57,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/d621d34c5/64fe250879b04b4882485ccc68a8b0ed/FLAG0e024464b [2021-11-23 15:58:57,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:57,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-11-23 15:58:57,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/d621d34c5/64fe250879b04b4882485ccc68a8b0ed/FLAG0e024464b [2021-11-23 15:58:57,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/d621d34c5/64fe250879b04b4882485ccc68a8b0ed [2021-11-23 15:58:57,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:57,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:57,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:57,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:57,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:57,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:57" (1/1) ... [2021-11-23 15:58:57,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c15d476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:57, skipping insertion in model container [2021-11-23 15:58:57,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:57" (1/1) ... [2021-11-23 15:58:58,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:58,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:58,249 WARN L230 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2021-11-23 15:58:58,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:58,347 WARN L230 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2021-11-23 15:58:58,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,381 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:58,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58 WrapperNode [2021-11-23 15:58:58,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:58,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:58,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,425 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-23 15:58:58,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:58,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:58,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:58,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:58,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:58,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:58,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:58:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:58:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:58:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:58:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:58:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:58:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:58:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:58:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:58:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:58:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:58,587 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:58:58,707 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:58,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:59,024 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:59,114 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) [2021-11-23 15:58:59,120 INFO L158 Benchmark]: Toolchain (without parser) took 1131.79ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 74.6MB in the beginning and 87.2MB in the end (delta: -12.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,120 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:59,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.15ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 74.6MB in the beginning and 108.6MB in the end (delta: -34.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 136.3MB. Free memory was 108.6MB in the beginning and 107.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,124 INFO L158 Benchmark]: Boogie Preprocessor took 44.38ms. Allocated memory is still 136.3MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,125 INFO L158 Benchmark]: RCFGBuilder took 646.05ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 87.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.15ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 74.6MB in the beginning and 108.6MB in the end (delta: -34.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 136.3MB. Free memory was 108.6MB in the beginning and 107.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.38ms. Allocated memory is still 136.3MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.05ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 87.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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. [2021-11-23 15:58:59,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:01,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:01,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:01,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:01,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:01,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:01,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:01,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:01,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:01,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:01,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:01,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:01,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:01,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:01,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:01,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:01,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:01,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:01,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:01,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:01,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:01,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:01,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:01,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:01,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:01,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:01,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:01,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:01,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:01,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:01,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:01,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:01,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:01,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:01,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:01,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:01,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:01,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:01,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:01,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:01,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:01,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:01,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:01,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:01,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:01,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:01,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:01,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:01,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:01,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:01,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:01,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:01,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:01,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:01,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:01,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:01,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:01,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:01,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:01,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:01,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:01,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:01,990 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:01,990 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:01,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:01,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:01,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:01,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:01,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:01,992 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:01,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:01,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:01,993 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:01,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:01,993 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa [2021-11-23 15:59:02,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:02,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:02,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:02,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:02,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:02,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-11-23 15:59:02,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/992824605/79495a7cfab24c9cb5e58a6bd9aef8f5/FLAGacc0aa897 [2021-11-23 15:59:03,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:03,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-11-23 15:59:03,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/992824605/79495a7cfab24c9cb5e58a6bd9aef8f5/FLAGacc0aa897 [2021-11-23 15:59:03,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/data/992824605/79495a7cfab24c9cb5e58a6bd9aef8f5 [2021-11-23 15:59:03,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:03,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:03,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:03,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:03,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:03,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e776a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03, skipping insertion in model container [2021-11-23 15:59:03,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:03,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:03,753 WARN L230 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2021-11-23 15:59:03,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:03,794 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:59:03,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:03,847 WARN L230 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2021-11-23 15:59:03,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:03,868 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:03,918 WARN L230 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_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2021-11-23 15:59:03,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:03,961 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:03,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03 WrapperNode [2021-11-23 15:59:03,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:03,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:03,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:03,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:03,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,029 INFO L137 Inliner]: procedures = 28, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-11-23 15:59:04,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:04,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:04,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:04,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:04,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:04,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:04,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:04,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:04,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:04,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:59:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:59:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:59:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:59:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:59:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:59:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:59:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:59:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:59:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:59:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:59:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:59:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:59:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:59:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:59:04,196 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:59:04,297 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:04,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:04,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:04,868 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) [2021-11-23 15:59:04,874 INFO L158 Benchmark]: Toolchain (without parser) took 1443.60ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 43.2MB in the beginning and 69.8MB in the end (delta: -26.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:04,874 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:04,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.49ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 46.8MB in the end (delta: -3.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:04,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.29ms. Allocated memory is still 62.9MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:04,882 INFO L158 Benchmark]: Boogie Preprocessor took 72.97ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:04,883 INFO L158 Benchmark]: RCFGBuilder took 767.40ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 43.3MB in the beginning and 69.8MB in the end (delta: -26.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:04,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.49ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 46.8MB in the end (delta: -3.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.29ms. Allocated memory is still 62.9MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.97ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 767.40ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 43.3MB in the beginning and 69.8MB in the end (delta: -26.5MB). Peak memory consumption was 18.3MB. 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. [2021-11-23 15:59:04,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d54e17-1a9f-45eb-a64b-3cf1e70f26fb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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