./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sqm-if.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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sqm-if.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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 ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:21,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:21,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:21,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:21,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:21,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:21,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:21,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:21,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:21,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:21,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:21,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:21,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:21,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:21,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:21,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:21,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:21,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:21,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:21,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:21,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:21,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:21,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:21,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:21,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:21,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:21,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:21,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:21,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:21,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:21,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:21,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:21,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:21,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:21,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:21,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:21,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:21,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:21,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:21,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:21,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:21,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:37:21,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:21,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:21,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:21,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:21,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:21,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:21,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:21,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:21,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:21,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:21,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:21,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:21,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:21,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:21,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:21,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:21,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:21,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:21,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:21,617 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:21,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:21,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:21,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:21,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:21,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:21,619 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:21,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:21,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:21,619 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 [2021-11-23 15:37:21,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:21,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:21,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:21,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:22,000 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:22,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/sqm-if.c [2021-11-23 15:37:22,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/5fc7ac914/3e9ccc37de514051806c702eee6d9789/FLAG5e6749ee7 [2021-11-23 15:37:22,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:22,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c [2021-11-23 15:37:22,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/5fc7ac914/3e9ccc37de514051806c702eee6d9789/FLAG5e6749ee7 [2021-11-23 15:37:23,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/5fc7ac914/3e9ccc37de514051806c702eee6d9789 [2021-11-23 15:37:23,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:23,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:23,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:23,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:23,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:23,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d157c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23, skipping insertion in model container [2021-11-23 15:37:23,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:23,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:23,292 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2021-11-23 15:37:23,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:23,383 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:23,400 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2021-11-23 15:37:23,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:23,449 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:23,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23 WrapperNode [2021-11-23 15:37:23,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:23,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:23,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:23,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:23,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,525 INFO L137 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 15:37:23,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:23,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:23,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:23,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:23,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:23,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:23,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:23,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:23,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:23" (1/1) ... [2021-11-23 15:37:23,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:23,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:23,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:23,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:37:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:37:23,785 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:23,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:24,041 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:24,089 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:37:24,095 INFO L158 Benchmark]: Toolchain (without parser) took 1053.33ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 65.4MB in the end (delta: 9.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:24,096 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:24,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.02ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 79.3MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:37:24,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.06ms. Allocated memory is still 102.8MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:24,100 INFO L158 Benchmark]: Boogie Preprocessor took 62.32ms. Allocated memory is still 102.8MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:24,102 INFO L158 Benchmark]: RCFGBuilder took 502.20ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 65.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:24,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.02ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 79.3MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.06ms. Allocated memory is still 102.8MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.32ms. Allocated memory is still 102.8MB. Free memory was 77.6MB in the beginning and 76.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.20ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 65.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:37:24,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sqm-if.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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 ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:27,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:27,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:27,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:27,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:27,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:27,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:27,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:27,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:27,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:27,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:27,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:27,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:27,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:27,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:27,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:27,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:27,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:27,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:27,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:27,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:27,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:27,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:27,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:27,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:27,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:27,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:27,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:27,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:27,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:27,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:27,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:27,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:27,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:27,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:27,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:27,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:27,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:27,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:27,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:27,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:27,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:37:27,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:27,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:27,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:27,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:27,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:27,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:27,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:27,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:27,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:27,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:27,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:27,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:27,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:27,334 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:37:27,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:37:27,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:37:27,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:27,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:27,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:27,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:27,337 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:27,337 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:27,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:27,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:27,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:27,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:27,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:27,340 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:37:27,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:37:27,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:27,341 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:37:27,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:37:27,342 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 [2021-11-23 15:37:27,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:27,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:27,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:27,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:27,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:27,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/sqm-if.c [2021-11-23 15:37:27,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/4b8f1f6d2/ff5e1ef268f7420d83fc0d44f9f8660c/FLAG750588e88 [2021-11-23 15:37:28,526 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:28,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c [2021-11-23 15:37:28,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/4b8f1f6d2/ff5e1ef268f7420d83fc0d44f9f8660c/FLAG750588e88 [2021-11-23 15:37:28,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/data/4b8f1f6d2/ff5e1ef268f7420d83fc0d44f9f8660c [2021-11-23 15:37:28,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:28,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:28,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:28,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:28,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:28,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2678124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:28, skipping insertion in model container [2021-11-23 15:37:28,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:28" (1/1) ... [2021-11-23 15:37:28,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:28,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:29,124 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2021-11-23 15:37:29,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:29,181 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:29,194 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_bacfdc5f-3f65-4dcf-898a-40df2334cf63/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2021-11-23 15:37:29,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:29,241 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:29,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29 WrapperNode [2021-11-23 15:37:29,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:29,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:29,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:29,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:29,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,335 INFO L137 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-11-23 15:37:29,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:29,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:29,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:29,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:29,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:29,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:29,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:29,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:29,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:29" (1/1) ... [2021-11-23 15:37:29,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:29,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:29,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:29,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:37:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:37:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:37:29,585 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:29,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:30,058 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:30,085 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:37:30,096 INFO L158 Benchmark]: Toolchain (without parser) took 1212.00ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.1MB in the beginning and 44.5MB in the end (delta: -13.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-23 15:37:30,097 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:30,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.28ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.0MB in the beginning and 59.3MB in the end (delta: -28.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:30,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.73ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:30,103 INFO L158 Benchmark]: Boogie Preprocessor took 50.07ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:30,104 INFO L158 Benchmark]: RCFGBuilder took 703.91ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 44.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:37:30,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.28ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.0MB in the beginning and 59.3MB in the end (delta: -28.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.73ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.07ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 703.91ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 44.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. 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 15:37:30,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfdc5f-3f65-4dcf-898a-40df2334cf63/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