./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ --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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:50,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:50,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:50,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:50,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:50,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:50,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:50,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:50,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:50,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:50,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:50,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:50,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:50,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:50,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:50,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:50,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:50,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:50,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:50,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:50,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:50,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:50,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:50,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:50,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:50,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:50,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:50,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:50,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:50,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:50,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:50,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:50,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:50,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:50,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:50,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:50,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:50,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:50,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:50,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:50,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:50,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:50,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:50,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:50,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:50,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:50,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:50,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:50,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:50,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:50,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:50,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:50,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:50,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:50,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:50,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:50,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:50,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:50,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:50,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:50,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:50,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:50,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:50,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:50,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:50,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:50,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:50,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:50,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:50,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:50,278 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2021-11-22 23:22:50,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:50,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:50,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:50,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:50,674 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:50,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2021-11-22 23:22:50,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/3bab976f7/9b5f35f059604a18a2c8554137e555e0/FLAG92354c467 [2021-11-22 23:22:51,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:51,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2021-11-22 23:22:51,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/3bab976f7/9b5f35f059604a18a2c8554137e555e0/FLAG92354c467 [2021-11-22 23:22:51,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/3bab976f7/9b5f35f059604a18a2c8554137e555e0 [2021-11-22 23:22:51,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:51,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:51,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:51,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:51,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:51,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f633008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51, skipping insertion in model container [2021-11-22 23:22:51,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:51,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:22:51,844 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2021-11-22 23:22:51,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:51,868 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:22:51,879 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2021-11-22 23:22:51,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:51,898 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:22:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51 WrapperNode [2021-11-22 23:22:51,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:51,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:51,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:22:51,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:22:51,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,937 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-11-22 23:22:51,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:51,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:22:51,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:22:51,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:22:51,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:22:51,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:22:51,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:22:51,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:22:51,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:51" (1/1) ... [2021-11-22 23:22:51,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:52,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:22:52,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:22:52,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:22:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:22:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:22:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:22:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:22:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:22:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:22:52,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:22:52,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:22:52,304 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:22:52,342 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:22:52,342 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:22:52,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:52 BoogieIcfgContainer [2021-11-22 23:22:52,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:22:52,346 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:22:52,346 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:22:52,356 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:22:52,357 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:22:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:22:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:22:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:22:52,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:52,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:22:52,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-22 23:22:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-22 23:22:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:22:53,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:22:53,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-22 23:22:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-22 23:22:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:22:53,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:22:53,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-22 23:22:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-22 23:22:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:53,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:22:54,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-11-22 23:22:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-11-22 23:22:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:22:54,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:22:54,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-22 23:22:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-22 23:22:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:22:55,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:22:55,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2021-11-22 23:22:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2021-11-22 23:22:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:22:56,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:22:56,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-22 23:22:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-22 23:22:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:56,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:22:56,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:22:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-11-22 23:22:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-22 23:22:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:22:57,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:22:57,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:22:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2021-11-22 23:22:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2021-11-22 23:22:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:57,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:22:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:22:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2021-11-22 23:22:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2021-11-22 23:22:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:58,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:58,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:22:58,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:22:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-11-22 23:22:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-11-22 23:22:59,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:22:59,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:59,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:22:59,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:23:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2021-11-22 23:23:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2021-11-22 23:23:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:23:00,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:00,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:23:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2021-11-22 23:23:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2021-11-22 23:23:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:23:00,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:23:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2021-11-22 23:23:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2021-11-22 23:23:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:02,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:23:02,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:23:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2021-11-22 23:23:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2021-11-22 23:23:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:23:03,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:03,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-22 23:23:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2021-11-22 23:23:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2021-11-22 23:23:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:23:03,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:23:03,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:23:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2021-11-22 23:23:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-11-22 23:23:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:23:05,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:06,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:23:06,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:23:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2021-11-22 23:23:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2021-11-22 23:23:07,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:23:07,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:07,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:07,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 23:23:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2021-11-22 23:23:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2021-11-22 23:23:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:23:08,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:08,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:08,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:23:08,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:23:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2021-11-22 23:23:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2021-11-22 23:23:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:23:10,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:10,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:23:12,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:23:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2021-11-22 23:23:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2021-11-22 23:23:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:23:13,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:13,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:13,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:13,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-22 23:23:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2021-11-22 23:23:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2021-11-22 23:23:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:23:13,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:13,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:23:13,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:23:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2021-11-22 23:23:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2021-11-22 23:23:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:23:15,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:20,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:23:20,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 46 proven. 115 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-22 23:23:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2021-11-22 23:23:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2021-11-22 23:23:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:23:22,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:22,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:22,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:22,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-11-22 23:23:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2021-11-22 23:23:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2021-11-22 23:23:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:23:23,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:23,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:23,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:23:23,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-22 23:23:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2021-11-22 23:23:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2021-11-22 23:23:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:23:25,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:25,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:23:31,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:23:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2021-11-22 23:23:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2021-11-22 23:23:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:23:33,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:33,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:33,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:33,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-22 23:23:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2021-11-22 23:23:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2021-11-22 23:23:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:23:34,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:34,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:34,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:23:34,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-22 23:23:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2021-11-22 23:23:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2021-11-22 23:23:37,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:23:37,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:37,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:23:42,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 66 proven. 157 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-22 23:23:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 125 states and 251 transitions. [2021-11-22 23:23:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 251 transitions. [2021-11-22 23:23:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:23:44,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:44,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-11-22 23:23:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2021-11-22 23:23:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2021-11-22 23:23:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:23:44,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:23:44,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:23:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 133 states and 268 transitions. [2021-11-22 23:23:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 268 transitions. [2021-11-22 23:23:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:48,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:48,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:23:56,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 68 proven. 195 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-11-22 23:23:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 136 states and 274 transitions. [2021-11-22 23:23:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 274 transitions. [2021-11-22 23:23:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:23:58,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:58,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-22 23:23:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 137 states and 276 transitions. [2021-11-22 23:23:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 276 transitions. [2021-11-22 23:23:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:23:59,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:59,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:59,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:23:59,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 198 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-22 23:24:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 144 states and 291 transitions. [2021-11-22 23:24:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 291 transitions. [2021-11-22 23:24:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:24:02,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:02,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-22 23:24:12,430 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) 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) [2021-11-22 23:24:12,433 INFO L158 Benchmark]: Toolchain (without parser) took 80783.59ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 54.9MB in the beginning and 149.8MB in the end (delta: -94.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-22 23:24:12,434 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:12,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.38ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 69.4MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:24:12,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.26ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:12,436 INFO L158 Benchmark]: Boogie Preprocessor took 47.20ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 814.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:12,436 INFO L158 Benchmark]: RCFGBuilder took 358.49ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 57.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:24:12,437 INFO L158 Benchmark]: CodeCheck took 80085.98ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 57.0MB in the beginning and 149.8MB in the end (delta: -92.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-22 23:24:12,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.38ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 69.4MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.26ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.20ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 814.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.49ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 57.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 80085.98ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 57.0MB in the beginning and 149.8MB in the end (delta: -92.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:24:12,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ --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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:14,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:14,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:14,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:14,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:14,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:14,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:14,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:14,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:14,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:14,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:14,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:14,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:14,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:14,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:14,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:14,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:14,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:14,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:14,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:14,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:14,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:14,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:14,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:14,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:14,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:14,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:14,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:14,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:14,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:14,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:14,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:14,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:14,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:14,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:14,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:14,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:14,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:14,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:14,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:14,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:14,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:24:15,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:15,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:15,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:15,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:15,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:15,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:15,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:15,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:15,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:15,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:15,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:15,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:15,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:15,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:24:15,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:24:15,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:24:15,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:15,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:15,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:15,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:15,015 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:15,016 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:15,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:15,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:15,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:15,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:15,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:15,017 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:24:15,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:24:15,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:15,018 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:24:15,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:24:15,018 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2021-11-22 23:24:15,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:15,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:15,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:15,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:15,468 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:15,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2021-11-22 23:24:15,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/a3345eda4/4267d529af37466b9786ef047d6fdaac/FLAG55f624fc3 [2021-11-22 23:24:16,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:16,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2021-11-22 23:24:16,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/a3345eda4/4267d529af37466b9786ef047d6fdaac/FLAG55f624fc3 [2021-11-22 23:24:16,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/data/a3345eda4/4267d529af37466b9786ef047d6fdaac [2021-11-22 23:24:16,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:16,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:16,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:16,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:16,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:16,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591227e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16, skipping insertion in model container [2021-11-22 23:24:16,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:16,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:16,663 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2021-11-22 23:24:16,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:16,691 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:16,737 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_1bbcc08b-c28c-49d1-b46a-86048d347d12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2021-11-22 23:24:16,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:16,770 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:16,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16 WrapperNode [2021-11-22 23:24:16,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:16,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:16,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:16,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:16,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,806 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-22 23:24:16,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:16,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:16,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:16,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:16,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:16,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:16,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:16,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:16,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:16" (1/1) ... [2021-11-22 23:24:16,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:16,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:16,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:16,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:24:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:24:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:24:17,002 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:17,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:17,430 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:17,472 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:17,474 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:24:17,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:17 BoogieIcfgContainer [2021-11-22 23:24:17,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:17,478 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:17,478 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:17,487 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:17,488 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:17" (1/1) ... [2021-11-22 23:24:17,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:24:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:24:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:24:17,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:17,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:17,665 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) [2021-11-22 23:24:17,673 INFO L158 Benchmark]: Toolchain (without parser) took 1183.70ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 48.6MB in the end (delta: -14.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-22 23:24:17,674 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:17,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 39.6MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:24:17,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.09ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 38.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:17,679 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 37.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:17,680 INFO L158 Benchmark]: RCFGBuilder took 645.13ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 27.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:24:17,681 INFO L158 Benchmark]: CodeCheck took 191.35ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 48.6MB in the end (delta: -21.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-22 23:24:17,692 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 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 39.6MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.09ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 38.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 37.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 645.13ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 27.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 191.35ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 48.6MB in the end (delta: -21.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:24:17,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbcc08b-c28c-49d1-b46a-86048d347d12/bin/ukojak-LBtLqBUTdQ/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