./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array.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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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 a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:37,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:37,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:37,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:37,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:37,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:37,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:37,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:37,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:37,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:37,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:37,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:37,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:37,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:37,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:37,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:37,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:37,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:37,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:37,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:37,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:37,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:37,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:37,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:37,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:37,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:37,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:37,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:37,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:37,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:37,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:37,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:37,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:37,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:37,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:37,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:37,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:37,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:37,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:37,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:37,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:37,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:37,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:37,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:37,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:37,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:37,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:37,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:37,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:37,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:37,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:37,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:37,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:37,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:37,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:37,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:37,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:37,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:37,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:37,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:37,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:37,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:37,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:37,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:37,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:37,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:37,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:37,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:37,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:37,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:37,292 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 [2021-11-23 15:50:37,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:37,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:37,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:37,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:37,595 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:37,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-23 15:50:37,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/9e9ff5f88/b188e372aad549e4a787b1536b703d3e/FLAG41166fd40 [2021-11-23 15:50:38,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:38,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-23 15:50:38,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/9e9ff5f88/b188e372aad549e4a787b1536b703d3e/FLAG41166fd40 [2021-11-23 15:50:38,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/9e9ff5f88/b188e372aad549e4a787b1536b703d3e [2021-11-23 15:50:38,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:38,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:38,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:38,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:38,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:38,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e002434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38, skipping insertion in model container [2021-11-23 15:50:38,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:38,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:38,795 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-23 15:50:38,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:38,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:38,834 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-23 15:50:38,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:38,855 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:38,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38 WrapperNode [2021-11-23 15:50:38,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:38,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:38,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:38,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:38,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,911 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 15:50:38,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:38,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:38,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:38,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:38,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:38,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:38,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:38,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:38,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:38" (1/1) ... [2021-11-23 15:50:38,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:38,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:39,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:50:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:50:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:50:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:50:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:50:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:50:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:50:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:39,042 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 15:50:39,130 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:39,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:39,366 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:39,438 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 15:50:39,442 INFO L158 Benchmark]: Toolchain (without parser) took 899.05ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 61.0MB in the end (delta: 15.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:39,451 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:39,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.93ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 79.7MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:39,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.97ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:39,454 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 107.0MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:39,455 INFO L158 Benchmark]: RCFGBuilder took 493.15ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 61.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:39,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.93ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 79.7MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.97ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 107.0MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.15ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 61.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. 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 15:50:39,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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 a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:41,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:41,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:41,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:41,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:41,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:41,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:41,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:41,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:41,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:41,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:41,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:41,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:41,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:41,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:41,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:41,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:41,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:41,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:42,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:42,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:42,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:42,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:42,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:42,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:42,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:42,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:42,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:42,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:42,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:42,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:42,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:42,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:42,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:42,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:42,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:42,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:42,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:42,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:42,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:42,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:42,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:42,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:42,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:42,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:42,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:42,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:42,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:42,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:42,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:42,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:42,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:42,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:42,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:42,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:42,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:42,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:42,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:42,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:42,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:42,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:42,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:42,070 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:42,070 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:42,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:42,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:42,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:42,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:42,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:42,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:42,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:42,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:42,072 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:42,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:42,072 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 [2021-11-23 15:50:42,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:42,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:42,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:42,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:42,514 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:42,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-23 15:50:42,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/017292830/e64cf6eb489f48afacde31c5ab244326/FLAG9d8152f74 [2021-11-23 15:50:43,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:43,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-23 15:50:43,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/017292830/e64cf6eb489f48afacde31c5ab244326/FLAG9d8152f74 [2021-11-23 15:50:43,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/data/017292830/e64cf6eb489f48afacde31c5ab244326 [2021-11-23 15:50:43,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:43,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:43,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:43,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:43,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:43,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:43,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260f3f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43, skipping insertion in model container [2021-11-23 15:50:43,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:43,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:43,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:43,752 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-23 15:50:43,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:43,802 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:50:43,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:43,836 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-23 15:50:43,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:43,860 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:43,904 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_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-23 15:50:43,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:43,936 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:43,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43 WrapperNode [2021-11-23 15:50:43,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:43,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:43,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:43,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:43,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:43,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,002 INFO L137 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-11-23 15:50:44,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:44,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:44,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:44,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:44,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:44,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:44,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:44,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:44,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:43" (1/1) ... [2021-11-23 15:50:44,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:44,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:44,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:50:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:50:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:50:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:50:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:50:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:50:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:50:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:50:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:50:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:50:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:50:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:50:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:50:44,182 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 15:50:44,282 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:44,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:44,573 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:44,631 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 15:50:44,639 INFO L158 Benchmark]: Toolchain (without parser) took 1188.69ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 32.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:50:44,639 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:44,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.89ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 54.2MB in the end (delta: -15.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:44,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.13ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:44,642 INFO L158 Benchmark]: Boogie Preprocessor took 67.54ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:44,643 INFO L158 Benchmark]: RCFGBuilder took 565.24ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 32.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:44,646 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 73.4MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.89ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 54.2MB in the end (delta: -15.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.13ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.54ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.24ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 32.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. 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 15:50:44,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a8ccc0-4706-491c-b9b3-6c1be04cb81d/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