./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ --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 c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:38:42,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:38:42,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:38:42,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:38:42,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:38:42,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:38:42,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:38:42,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:38:42,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:38:42,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:38:42,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:38:42,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:38:42,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:38:42,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:38:42,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:38:42,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:38:42,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:38:42,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:38:42,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:38:42,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:38:42,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:38:42,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:38:42,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:38:42,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:38:42,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:38:42,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:38:42,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:38:42,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:38:42,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:38:42,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:38:42,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:38:42,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:38:42,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:38:42,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:38:42,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:38:42,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:38:42,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:38:42,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:38:42,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:38:42,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:38:42,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:38:42,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:38:42,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:38:42,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:38:42,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:38:42,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:38:42,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:38:42,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:38:42,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:38:42,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:38:42,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:38:42,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:38:42,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:38:42,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:38:42,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:38:42,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:38:42,889 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:38:42,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:38:42,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:38:42,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:38:42,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:38:42,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:38:42,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:38:42,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:42,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:38:42,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:38:42,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:38:42,891 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:38:42,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:38:42,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:38:42,891 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_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2021-11-23 01:38:43,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:38:43,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:38:43,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:38:43,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:38:43,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:38:43,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-23 01:38:43,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/62cf1a338/7548e8d0c6eb4a3b936e90bd41c4ffd3/FLAGbf5c897e2 [2021-11-23 01:38:43,831 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:38:43,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-23 01:38:43,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/62cf1a338/7548e8d0c6eb4a3b936e90bd41c4ffd3/FLAGbf5c897e2 [2021-11-23 01:38:44,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/62cf1a338/7548e8d0c6eb4a3b936e90bd41c4ffd3 [2021-11-23 01:38:44,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:38:44,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:38:44,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:44,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:38:44,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:38:44,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9645879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44, skipping insertion in model container [2021-11-23 01:38:44,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:38:44,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:38:44,491 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_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-23 01:38:44,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:44,516 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:38:44,546 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_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-23 01:38:44,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:44,565 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:38:44,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44 WrapperNode [2021-11-23 01:38:44,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:44,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:44,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:38:44,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:38:44,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,610 INFO L137 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2021-11-23 01:38:44,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:44,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:38:44,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:38:44,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:38:44,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:38:44,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:38:44,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:38:44,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:38:44,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:44" (1/1) ... [2021-11-23 01:38:44,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:44,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:38:44,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:38:44,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:38:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:38:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:38:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:38:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:38:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:38:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:38:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:38:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:38:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:38:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:38:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:38:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:38:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:38:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:38:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:38:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:38:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:38:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:38:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:38:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:38:44,747 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 01:38:44,857 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:38:44,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:38:45,296 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:38:45,419 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:38:45,419 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:38:45,420 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2021-11-23 01:38:45,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:38:45,426 INFO L158 Benchmark]: Toolchain (without parser) took 1247.75ms. Allocated memory is still 132.1MB. Free memory was 99.7MB in the beginning and 77.6MB in the end (delta: 22.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-23 01:38:45,426 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:45,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.65ms. Allocated memory is still 132.1MB. Free memory was 99.7MB in the beginning and 106.2MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:38:45,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 132.1MB. Free memory was 106.2MB in the beginning and 104.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:45,429 INFO L158 Benchmark]: Boogie Preprocessor took 38.17ms. Allocated memory is still 132.1MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:45,430 INFO L158 Benchmark]: RCFGBuilder took 773.73ms. Allocated memory is still 132.1MB. Free memory was 102.7MB in the beginning and 77.6MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:45,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.65ms. Allocated memory is still 132.1MB. Free memory was 99.7MB in the beginning and 106.2MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 132.1MB. Free memory was 106.2MB in the beginning and 104.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.17ms. Allocated memory is still 132.1MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.73ms. Allocated memory is still 132.1MB. Free memory was 102.7MB in the beginning and 77.6MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:38:45,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/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_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ --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 c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:38:48,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:38:48,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:38:48,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:38:48,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:38:48,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:38:48,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:38:48,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:38:48,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:38:48,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:38:48,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:38:48,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:38:48,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:38:48,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:38:48,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:38:48,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:38:48,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:38:48,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:38:48,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:38:48,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:38:48,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:38:48,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:38:48,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:38:48,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:38:48,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:38:48,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:38:48,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:38:48,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:38:48,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:38:48,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:38:48,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:38:48,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:38:48,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:38:48,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:38:48,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:38:48,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:38:48,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:38:48,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:38:48,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:38:48,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:38:48,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:38:48,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:38:48,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:38:48,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:38:48,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:38:48,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:38:48,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:38:48,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:38:48,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:38:48,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:38:48,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:38:48,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:38:48,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:38:48,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:38:48,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:38:48,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:38:48,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:38:48,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:38:48,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:38:48,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:38:48,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:38:48,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:38:48,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:38:48,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:38:48,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:38:48,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:48,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:38:48,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:38:48,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:38:48,346 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:38:48,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:38:48,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:38:48,347 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:38:48,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:38:48,347 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_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2021-11-23 01:38:48,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:38:48,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:38:48,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:38:48,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:38:48,814 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:38:48,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-23 01:38:48,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/7e6638d43/a8995acab9044601af186cd278f74fb7/FLAG6f0ac65fa [2021-11-23 01:38:49,562 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:38:49,563 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-23 01:38:49,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/7e6638d43/a8995acab9044601af186cd278f74fb7/FLAG6f0ac65fa [2021-11-23 01:38:49,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/data/7e6638d43/a8995acab9044601af186cd278f74fb7 [2021-11-23 01:38:49,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:38:49,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:38:49,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:49,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:38:49,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:38:49,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:49" (1/1) ... [2021-11-23 01:38:49,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2562ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:49, skipping insertion in model container [2021-11-23 01:38:49,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:49" (1/1) ... [2021-11-23 01:38:49,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:38:49,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:38:50,162 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_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-23 01:38:50,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:50,188 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:38:50,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:38:50,230 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_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-23 01:38:50,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:50,288 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:38:50,334 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_b73d042f-edd6-4705-ae94-fe16fb06407e/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-23 01:38:50,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:50,359 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:38:50,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50 WrapperNode [2021-11-23 01:38:50,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:50,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:50,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:38:50,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:38:50,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,435 INFO L137 Inliner]: procedures = 28, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2021-11-23 01:38:50,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:50,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:38:50,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:38:50,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:38:50,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:38:50,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:38:50,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:38:50,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:38:50,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:50" (1/1) ... [2021-11-23 01:38:50,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:50,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:38:50,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:38:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:38:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:38:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:38:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:38:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:38:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:38:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:38:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:38:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:38:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:38:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:38:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:38:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:38:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:38:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:38:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:38:50,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:38:50,633 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 01:38:50,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:38:50,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:38:51,365 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:38:51,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:38:51,579 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:38:51,580 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2021-11-23 01:38:51,581 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:38:51,588 INFO L158 Benchmark]: Toolchain (without parser) took 1705.31ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 31.8MB in the end (delta: 10.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:51,589 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:51,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.18ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 43.1MB in the end (delta: -859.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:38:51,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.75ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:51,593 INFO L158 Benchmark]: Boogie Preprocessor took 83.07ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:51,594 INFO L158 Benchmark]: RCFGBuilder took 1065.98ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 31.8MB in the end (delta: 7.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:51,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.18ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 43.1MB in the end (delta: -859.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.75ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.07ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.98ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 31.8MB in the end (delta: 7.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:38:51,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73d042f-edd6-4705-ae94-fe16fb06407e/bin/ukojak-LBtLqBUTdQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?