./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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_1e81d9f3-b897-4537-807f-550472d9bb13/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 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:28,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:28,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:28,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:28,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:28,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:28,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:28,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:28,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:28,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:28,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:28,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:28,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:28,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:28,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:28,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:28,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:28,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:28,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:28,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:28,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:28,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:28,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:28,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:28,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:28,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:28,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:28,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:28,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:28,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:28,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:28,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:28,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:28,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:28,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:28,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:28,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:28,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:28,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:28,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:28,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:28,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:28,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:28,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:28,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:28,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:28,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:28,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:28,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:28,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:28,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:28,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:28,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:28,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:28,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:28,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:28,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:28,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:28,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:28,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:28,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:28,160 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:28,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:28,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:28,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:28,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:28,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:28,161 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:28,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:28,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:28,162 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_1e81d9f3-b897-4537-807f-550472d9bb13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2021-11-23 15:31:28,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:28,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:28,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:28,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:28,542 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:28,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-11-23 15:31:28,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/5251b14ef/dc5e117b9a5f4f6d93f7e0bb85eff2ad/FLAGe3a500af8 [2021-11-23 15:31:29,214 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:29,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-11-23 15:31:29,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/5251b14ef/dc5e117b9a5f4f6d93f7e0bb85eff2ad/FLAGe3a500af8 [2021-11-23 15:31:29,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/5251b14ef/dc5e117b9a5f4f6d93f7e0bb85eff2ad [2021-11-23 15:31:29,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:29,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:29,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:29,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:29,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:29,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:29,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4653ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29, skipping insertion in model container [2021-11-23 15:31:29,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:29,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:29,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:29,854 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_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-11-23 15:31:29,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:29,887 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:29,919 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_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-11-23 15:31:29,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:29,943 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:29,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29 WrapperNode [2021-11-23 15:31:29,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:29,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:29,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:29,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:29,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:29,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,015 INFO L137 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2021-11-23 15:31:30,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:30,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:30,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:30,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:30,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:30,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:30,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:30,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:30,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:29" (1/1) ... [2021-11-23 15:31:30,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:30,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:30,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:30,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:31:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:31:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:31:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:31:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:31:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:31:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:31:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:31:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:31:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:31:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:31:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:31:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:31:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:31:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:30,196 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 15:31:30,314 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:30,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:30,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:30,854 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 15:31:30,859 INFO L158 Benchmark]: Toolchain (without parser) took 1296.65ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 54.9MB in the end (delta: 16.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:30,860 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:30,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.18ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 79.0MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:30,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.00ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:30,864 INFO L158 Benchmark]: Boogie Preprocessor took 72.42ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 75.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:30,865 INFO L158 Benchmark]: RCFGBuilder took 767.07ms. Allocated memory is still 107.0MB. Free memory was 75.8MB in the beginning and 54.9MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:30,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.18ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 79.0MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.00ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.42ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 75.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.07ms. Allocated memory is still 107.0MB. Free memory was 75.8MB in the beginning and 54.9MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. 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 15:31:30,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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_1e81d9f3-b897-4537-807f-550472d9bb13/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 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:33,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:33,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:33,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:33,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:33,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:33,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:34,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:34,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:34,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:34,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:34,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:34,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:34,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:34,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:34,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:34,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:34,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:34,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:34,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:34,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:34,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:34,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:34,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:34,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:34,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:34,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:34,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:34,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:34,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:34,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:34,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:34,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:34,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:34,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:34,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:34,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:34,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:34,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:34,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:34,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:34,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:34,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:34,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:34,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:34,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:34,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:34,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:34,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:34,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:34,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:34,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:34,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:34,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:34,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:34,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:34,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:34,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:34,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:34,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:34,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:34,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:34,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:34,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:34,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:34,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:34,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:34,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:34,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:34,164 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:34,164 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:34,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:34,165 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:34,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:34,166 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_1e81d9f3-b897-4537-807f-550472d9bb13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2021-11-23 15:31:34,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:34,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:34,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:34,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:34,705 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:34,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-11-23 15:31:34,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/c92683fda/d04a591bd57547c19dad43e1c2b39589/FLAGe48e83106 [2021-11-23 15:31:35,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:35,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2021-11-23 15:31:35,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/c92683fda/d04a591bd57547c19dad43e1c2b39589/FLAGe48e83106 [2021-11-23 15:31:35,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/data/c92683fda/d04a591bd57547c19dad43e1c2b39589 [2021-11-23 15:31:35,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:35,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:35,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:35,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:35,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:35,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:35,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7790b339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35, skipping insertion in model container [2021-11-23 15:31:35,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:35,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:35,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:36,190 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_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-11-23 15:31:36,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:36,220 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:31:36,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:36,271 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_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-11-23 15:31:36,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:36,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:36,378 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_1e81d9f3-b897-4537-807f-550472d9bb13/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2021-11-23 15:31:36,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:36,417 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:36,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36 WrapperNode [2021-11-23 15:31:36,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:36,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:36,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:36,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:36,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,503 INFO L137 Inliner]: procedures = 28, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2021-11-23 15:31:36,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:36,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:36,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:36,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:36,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:36,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:36,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:36,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:36,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36" (1/1) ... [2021-11-23 15:31:36,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:36,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:36,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:36,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:31:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:31:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:31:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:31:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:31:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:31:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:31:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:31:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:31:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:31:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:31:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:31:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:31:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:31:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:31:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:31:36,721 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 15:31:36,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:36,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:37,396 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:37,536 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 15:31:37,542 INFO L158 Benchmark]: Toolchain (without parser) took 1675.33ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 40.5MB in the beginning and 57.8MB in the end (delta: -17.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 15:31:37,543 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:37,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.91ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 42.5MB in the end (delta: -2.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:37,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.41ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:37,546 INFO L158 Benchmark]: Boogie Preprocessor took 111.98ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 38.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:37,547 INFO L158 Benchmark]: RCFGBuilder took 921.13ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 38.8MB in the beginning and 57.8MB in the end (delta: -19.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 15:31:37,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.91ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 42.5MB in the end (delta: -2.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.41ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.98ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 38.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 921.13ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 38.8MB in the beginning and 57.8MB in the end (delta: -19.0MB). Peak memory consumption was 18.7MB. 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 15:31:37,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e81d9f3-b897-4537-807f-550472d9bb13/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