./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB --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 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:09,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:09,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:09,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:09,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:09,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:09,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:09,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:09,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:09,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:09,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:09,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:09,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:09,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:09,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:09,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:09,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:09,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:09,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:09,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:09,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:09,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:09,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:09,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:09,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:09,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:09,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:09,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:09,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:09,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:09,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:09,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:09,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:09,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:09,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:09,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:09,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:09,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:09,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:09,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:09,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:09,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:09,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:09,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:09,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:09,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:09,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:09,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:09,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:09,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:09,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:09,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:09,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:09,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:09,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:09,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:09,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:09,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:09,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:09,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:09,301 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:09,301 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:09,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:09,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:09,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:09,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:09,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:09,303 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:09,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:09,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:09,304 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_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be [2022-10-17 16:49:09,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:09,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:09,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:09,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:09,616 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:09,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2022-10-17 16:49:09,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/data/7d3ec3bf4/77d0d991fcd84b0590b9931713c26df8/FLAGc0ddfc188 [2022-10-17 16:49:10,195 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:10,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/sv-benchmarks/c/loop-lit/mcmillan2006.i [2022-10-17 16:49:10,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/data/7d3ec3bf4/77d0d991fcd84b0590b9931713c26df8/FLAGc0ddfc188 [2022-10-17 16:49:10,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/data/7d3ec3bf4/77d0d991fcd84b0590b9931713c26df8 [2022-10-17 16:49:10,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:10,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:10,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:10,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:10,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:10,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2746d0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10, skipping insertion in model container [2022-10-17 16:49:10,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:10,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:10,794 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_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2022-10-17 16:49:10,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:10,828 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:10,841 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_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2022-10-17 16:49:10,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:10,859 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:10,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10 WrapperNode [2022-10-17 16:49:10,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:10,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:10,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:10,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:10,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,900 INFO L138 Inliner]: procedures = 18, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-10-17 16:49:10,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:10,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:10,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:10,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:10,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:10,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:10,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:10,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:10,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:10,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:10,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a2a8f9-2ffe-4cdd-9dbb-508870365669/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:49:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:11,133 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:11,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:11,319 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:11,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:11,344 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:11,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:11 BoogieIcfgContainer [2022-10-17 16:49:11,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:11,348 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:11,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:11,359 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:11,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:11" (1/1) ... [2022-10-17 16:49:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:49:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:49:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:11,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:11,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-10-17 16:49:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-10-17 16:49:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:11,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:49:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:49:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:12,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2022-10-17 16:49:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2022-10-17 16:49:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:13,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 16:49:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 16:49:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:15,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2022-10-17 16:49:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2022-10-17 16:49:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:49:17,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2022-10-17 16:49:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2022-10-17 16:49:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:20,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2022-10-17 16:49:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2022-10-17 16:49:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:22,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2022-10-17 16:49:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2022-10-17 16:49:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:23,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:23,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2022-10-17 16:49:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2022-10-17 16:49:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:25,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:25,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2022-10-17 16:49:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2022-10-17 16:49:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:26,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2022-10-17 16:49:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2022-10-17 16:49:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:29,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2022-10-17 16:49:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2022-10-17 16:49:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:30,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:30,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2022-10-17 16:49:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2022-10-17 16:49:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:34,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2022-10-17 16:49:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2022-10-17 16:49:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:49:35,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2022-10-17 16:49:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2022-10-17 16:49:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:49:39,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2022-10-17 16:49:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2022-10-17 16:49:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:49:40,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.