./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.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_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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_06a843ce-aada-491a-953c-7c58758a10a5/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 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:10,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:10,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:10,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:10,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:10,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:10,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:10,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:10,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:10,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:10,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:10,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:10,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:10,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:10,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:10,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:10,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:10,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:10,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:10,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:10,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:10,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:10,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:10,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:10,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:10,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:10,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:10,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:10,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:10,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:10,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:10,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:10,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:10,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:10,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:10,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:10,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:10,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:10,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:10,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:10,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:10,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:10,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:10,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:10,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:10,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:10,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:10,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:10,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:10,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:10,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:10,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:10,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:10,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:10,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:10,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:10,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:10,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:10,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:10,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:10,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:10,255 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:10,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:10,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:10,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:10,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:10,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:10,257 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:10,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:10,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:10,258 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_06a843ce-aada-491a-953c-7c58758a10a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2021-11-23 15:33:10,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:10,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:10,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:10,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:10,622 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:10,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2021-11-23 15:33:10,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/302a28a32/b67e025434f04942b69083297bf106d8/FLAG1f3e40ed5 [2021-11-23 15:33:11,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:11,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2021-11-23 15:33:11,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/302a28a32/b67e025434f04942b69083297bf106d8/FLAG1f3e40ed5 [2021-11-23 15:33:11,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/302a28a32/b67e025434f04942b69083297bf106d8 [2021-11-23 15:33:11,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:11,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:11,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:11,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:11,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:11,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:11" (1/1) ... [2021-11-23 15:33:11,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43770114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:11, skipping insertion in model container [2021-11-23 15:33:11,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:11" (1/1) ... [2021-11-23 15:33:11,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:11,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:11,978 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_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2021-11-23 15:33:11,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:12,006 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:12,022 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_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2021-11-23 15:33:12,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:12,046 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:12,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12 WrapperNode [2021-11-23 15:33:12,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:12,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:12,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:12,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:12,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,088 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 15:33:12,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:12,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:12,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:12,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:12,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:12,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:12,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:12,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:12,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:12,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:12,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:12,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:12,302 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:12,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:12,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:12,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:33:12,554 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:33:12,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:12 BoogieIcfgContainer [2021-11-23 15:33:12,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:33:12,558 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:33:12,559 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:33:12,573 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:33:12,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:33:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:33:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 15:33:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 15:33:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:33:12,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:33:12,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:33:12,800 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:33:12,806 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:33:12,815 INFO L158 Benchmark]: Toolchain (without parser) took 1121.48ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 57.0MB in the end (delta: 5.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,817 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 100.7MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:12,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.59ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 76.3MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.21ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,826 INFO L158 Benchmark]: Boogie Preprocessor took 31.57ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 73.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,828 INFO L158 Benchmark]: RCFGBuilder took 435.49ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 64.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,829 INFO L158 Benchmark]: CodeCheck took 252.14ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 57.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 100.7MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.59ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 76.3MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.21ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.57ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 73.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.49ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 64.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 252.14ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 57.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:12,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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_06a843ce-aada-491a-953c-7c58758a10a5/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 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:15,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:15,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:15,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:15,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:15,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:15,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:15,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:15,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:15,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:15,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:15,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:15,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:15,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:15,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:15,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:15,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:15,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:15,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:15,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:15,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:15,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:15,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:15,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:15,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:15,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:15,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:15,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:15,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:15,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:15,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:15,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:15,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:15,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:15,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:15,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:15,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:15,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:15,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:15,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:15,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:15,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:16,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:16,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:16,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:16,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:16,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:16,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:16,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:16,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:16,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:16,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:16,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:16,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:16,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:16,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:16,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:16,022 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:16,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:16,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:16,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:16,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:16,024 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:16,024 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:16,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:16,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:16,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:16,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:16,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:16,026 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:16,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:16,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:16,028 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:16,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:16,028 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_06a843ce-aada-491a-953c-7c58758a10a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2021-11-23 15:33:16,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:16,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:16,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:16,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:16,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:16,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2021-11-23 15:33:16,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/03bc5a48a/9d268d70d8764331a1fffced2f09e932/FLAG5a5f427a5 [2021-11-23 15:33:17,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:17,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2021-11-23 15:33:17,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/03bc5a48a/9d268d70d8764331a1fffced2f09e932/FLAG5a5f427a5 [2021-11-23 15:33:17,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/data/03bc5a48a/9d268d70d8764331a1fffced2f09e932 [2021-11-23 15:33:17,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:17,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:17,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:17,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:17,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124884a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17, skipping insertion in model container [2021-11-23 15:33:17,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:17,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:17,778 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_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2021-11-23 15:33:17,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:17,812 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:17,828 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_06a843ce-aada-491a-953c-7c58758a10a5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2021-11-23 15:33:17,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:17,887 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:17,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17 WrapperNode [2021-11-23 15:33:17,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:17,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:17,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:17,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,936 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-23 15:33:17,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:17,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:17,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:17,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:17,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:17,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:17,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:17,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:17,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:18,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:18,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:18,188 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:18,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:18,726 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:18,743 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:33:18,743 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:33:18,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:18 BoogieIcfgContainer [2021-11-23 15:33:18,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:33:18,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:33:18,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:33:18,761 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:33:18,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:33:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:33:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 15:33:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 15:33:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:33:18,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:33:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:33:18,902 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:33:18,907 INFO L158 Benchmark]: Toolchain (without parser) took 1324.14ms. Allocated memory is still 79.7MB. Free memory was 63.3MB in the beginning and 44.8MB in the end (delta: 18.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:18,908 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:18,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 79.7MB. Free memory was 63.1MB in the beginning and 63.2MB in the end (delta: -101.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:18,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.26ms. Allocated memory is still 79.7MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:18,911 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:18,912 INFO L158 Benchmark]: RCFGBuilder took 780.30ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 51.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:18,913 INFO L158 Benchmark]: CodeCheck took 156.49ms. Allocated memory is still 79.7MB. Free memory was 50.9MB in the beginning and 44.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:18,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 79.7MB. Free memory was 63.1MB in the beginning and 63.2MB in the end (delta: -101.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.26ms. Allocated memory is still 79.7MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.30ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 51.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 156.49ms. Allocated memory is still 79.7MB. Free memory was 50.9MB in the beginning and 44.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:18,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a843ce-aada-491a-953c-7c58758a10a5/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: SMTLIBException: Sort BitVec not declared