./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm1.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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:55,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:55,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:55,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:55,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:55,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:55,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:55,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:55,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:55,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:55,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:55,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:55,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:55,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:55,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:55,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:55,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:55,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:55,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:55,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:55,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:55,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:55,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:55,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:55,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:55,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:55,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:55,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:55,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:55,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:55,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:55,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:55,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:55,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:55,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:55,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:55,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:55,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:55,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:55,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:55,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:55,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:55,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:55,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:55,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:55,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:55,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:55,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:55,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:55,661 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:55,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:55,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:55,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:55,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:55,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:55,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:55,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:55,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:55,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:55,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:55,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:55,663 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:55,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:55,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:55,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:55,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:55,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:55,665 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:55,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:55,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:55,665 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2021-11-23 15:53:55,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:55,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:55,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:55,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:55,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:55,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench/lcm1.c [2021-11-23 15:53:56,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/494ebcf4d/0d6266caa2b94986b2e5fc4d33b2b496/FLAGda74ca507 [2021-11-23 15:53:56,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:56,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c [2021-11-23 15:53:56,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/494ebcf4d/0d6266caa2b94986b2e5fc4d33b2b496/FLAGda74ca507 [2021-11-23 15:53:56,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/494ebcf4d/0d6266caa2b94986b2e5fc4d33b2b496 [2021-11-23 15:53:56,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:56,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:56,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:56,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:56,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:56,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:56" (1/1) ... [2021-11-23 15:53:56,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511c97de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:56, skipping insertion in model container [2021-11-23 15:53:56,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:56" (1/1) ... [2021-11-23 15:53:56,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:56,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:57,092 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2021-11-23 15:53:57,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:57,118 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:57,132 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2021-11-23 15:53:57,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:57,153 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:57,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57 WrapperNode [2021-11-23 15:53:57,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:57,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:57,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:57,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:57,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,190 INFO L137 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2021-11-23 15:53:57,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:57,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:57,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:57,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:57,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:57,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:57,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:57,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:57,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:57" (1/1) ... [2021-11-23 15:53:57,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:57,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:57,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:53:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:53:57,370 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:57,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:57,503 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:57,519 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 15:53:57,531 INFO L158 Benchmark]: Toolchain (without parser) took 604.70ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 57.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:57,531 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:57,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.20ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 71.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:57,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.78ms. Allocated memory is still 113.2MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:57,539 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 113.2MB. Free memory was 69.8MB in the beginning and 68.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:57,540 INFO L158 Benchmark]: RCFGBuilder took 313.40ms. Allocated memory is still 113.2MB. Free memory was 68.6MB in the beginning and 58.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:57,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.20ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 71.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.78ms. Allocated memory is still 113.2MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 113.2MB. Free memory was 69.8MB in the beginning and 68.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.40ms. Allocated memory is still 113.2MB. Free memory was 68.6MB in the beginning and 58.1MB in the end (delta: 10.5MB). 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 15:53:57,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:59,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:59,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:00,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:00,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:00,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:00,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:00,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:00,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:00,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:00,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:00,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:00,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:00,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:00,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:00,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:00,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:00,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:00,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:00,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:00,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:00,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:00,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:00,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:00,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:00,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:00,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:00,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:00,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:00,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:00,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:00,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:00,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:00,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:00,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:00,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:00,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:00,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:00,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:00,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:00,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:00,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:00,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:00,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:00,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:00,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:00,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:00,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:00,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:00,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:00,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:00,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:00,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:00,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:00,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:00,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:00,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:00,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:00,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:00,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:00,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:00,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:00,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:00,163 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:00,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:00,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:00,164 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:00,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:00,164 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2021-11-23 15:54:00,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:00,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:00,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:00,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:00,604 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:00,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench/lcm1.c [2021-11-23 15:54:00,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/ee2fdbbc2/a4574117c7194825985408153641938a/FLAGaf2024f10 [2021-11-23 15:54:01,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:01,172 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c [2021-11-23 15:54:01,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/ee2fdbbc2/a4574117c7194825985408153641938a/FLAGaf2024f10 [2021-11-23 15:54:01,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/data/ee2fdbbc2/a4574117c7194825985408153641938a [2021-11-23 15:54:01,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:01,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:01,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:01,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:01,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:01,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b6aa0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01, skipping insertion in model container [2021-11-23 15:54:01,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:01,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:01,717 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2021-11-23 15:54:01,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:01,744 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:01,756 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_70beaad1-8258-46c0-aafd-b7e5d14c0e23/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2021-11-23 15:54:01,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:01,803 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:01,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01 WrapperNode [2021-11-23 15:54:01,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:01,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:01,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:01,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:01,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,864 INFO L137 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2021-11-23 15:54:01,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:01,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:01,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:01,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:01,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:01,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:01,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:01,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:01,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:01" (1/1) ... [2021-11-23 15:54:01,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:01,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:01,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:54:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:54:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:54:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:54:02,047 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:02,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:02,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:02,278 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 15:54:02,281 INFO L158 Benchmark]: Toolchain (without parser) took 747.78ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 29.7MB in the end (delta: 7.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,282 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:02,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.88ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 42.7MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.82ms. Allocated memory is still 58.7MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,285 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 39.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:02,285 INFO L158 Benchmark]: RCFGBuilder took 391.09ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 29.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.88ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 42.7MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.82ms. Allocated memory is still 58.7MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 39.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.09ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 29.7MB in the end (delta: 10.0MB). 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 15:54:02,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70beaad1-8258-46c0-aafd-b7e5d14c0e23/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