./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label21.c --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_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/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_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/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_43522a0a-64f5-460e-8d20-d547d83df3e9/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 cddd396d9051dbeeab842f0229e49128c7a3af364245c973ac8bbf7d2e9e624d --- 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 16:45:51,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:51,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:51,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:51,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:51,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:51,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:51,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:51,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:51,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:51,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:51,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:51,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:51,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:51,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:51,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:51,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:51,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:51,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:51,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:51,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:51,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:51,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:51,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:51,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:51,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:51,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:51,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:51,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:51,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:51,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:51,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:51,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:51,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:51,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:51,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:51,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:51,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:51,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:51,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:51,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:51,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:51,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:51,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:51,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:51,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:51,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:51,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:51,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:51,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:51,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:51,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:51,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:51,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:51,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:51,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:51,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:51,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:51,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:51,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:51,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:51,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:51,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:51,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:51,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:51,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:51,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:51,946 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:51,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:51,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:51,947 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_43522a0a-64f5-460e-8d20-d547d83df3e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cddd396d9051dbeeab842f0229e49128c7a3af364245c973ac8bbf7d2e9e624d [2022-10-17 16:45:52,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:52,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:52,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:52,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:52,256 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:52,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label21.c [2022-10-17 16:45:52,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/data/c4f827ef5/c4a91a00c25740018d9dca83d9194700/FLAGeab5a6272 [2022-10-17 16:45:52,998 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:52,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/sv-benchmarks/c/eca-rers2012/Problem03_label21.c [2022-10-17 16:45:53,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/data/c4f827ef5/c4a91a00c25740018d9dca83d9194700/FLAGeab5a6272 [2022-10-17 16:45:53,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/data/c4f827ef5/c4a91a00c25740018d9dca83d9194700 [2022-10-17 16:45:53,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:53,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:53,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:53,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:53,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:53,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea8b275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53, skipping insertion in model container [2022-10-17 16:45:53,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:53,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:53,977 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_43522a0a-64f5-460e-8d20-d547d83df3e9/sv-benchmarks/c/eca-rers2012/Problem03_label21.c[61500,61513] [2022-10-17 16:45:54,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:54,027 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:54,444 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_43522a0a-64f5-460e-8d20-d547d83df3e9/sv-benchmarks/c/eca-rers2012/Problem03_label21.c[61500,61513] [2022-10-17 16:45:54,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:54,476 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:54,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54 WrapperNode [2022-10-17 16:45:54,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:54,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:54,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:54,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:54,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,662 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:45:54,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:54,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:54,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:54,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:54,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:54,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:54,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:54,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:54,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:54,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:54,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43522a0a-64f5-460e-8d20-d547d83df3e9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:55,001 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:55,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:57,069 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:57,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:57,490 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:45:57,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:57 BoogieIcfgContainer [2022-10-17 16:45:57,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:57,495 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:57,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:57,506 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:57,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:57" (1/1) ... [2022-10-17 16:45:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:45:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:45:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:45:57,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:58,683 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 16:45:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2022-10-17 16:45:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2022-10-17 16:45:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:45:59,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2022-10-17 16:46:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2022-10-17 16:46:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:46:02,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2022-10-17 16:46:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2022-10-17 16:46:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:46:02,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:05,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 599 states and 965 transitions. [2022-10-17 16:46:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 965 transitions. [2022-10-17 16:46:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 16:46:05,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 618 states and 989 transitions. [2022-10-17 16:46:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 989 transitions. [2022-10-17 16:46:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:46:06,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 640 states and 1020 transitions. [2022-10-17 16:46:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1020 transitions. [2022-10-17 16:46:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:46:07,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:07,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 665 states and 1056 transitions. [2022-10-17 16:46:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1056 transitions. [2022-10-17 16:46:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:46:08,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:08,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 673 states and 1079 transitions. [2022-10-17 16:46:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1079 transitions. [2022-10-17 16:46:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:46:09,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 692 states and 1100 transitions. [2022-10-17 16:46:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1100 transitions. [2022-10-17 16:46:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:46:09,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 698 states and 1107 transitions. [2022-10-17 16:46:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1107 transitions. [2022-10-17 16:46:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:46:10,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 724 states and 1143 transitions. [2022-10-17 16:46:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1143 transitions. [2022-10-17 16:46:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:46:11,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:11,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 751 states and 1180 transitions. [2022-10-17 16:46:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1180 transitions. [2022-10-17 16:46:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:13,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 774 states and 1224 transitions. [2022-10-17 16:46:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1224 transitions. [2022-10-17 16:46:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:14,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 775 states and 1226 transitions. [2022-10-17 16:46:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1226 transitions. [2022-10-17 16:46:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:14,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:14,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 781 states and 1232 transitions. [2022-10-17 16:46:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1232 transitions. [2022-10-17 16:46:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:15,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 787 states and 1239 transitions. [2022-10-17 16:46:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1239 transitions. [2022-10-17 16:46:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:15,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 809 states and 1264 transitions. [2022-10-17 16:46:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1264 transitions. [2022-10-17 16:46:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:46:16,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:16,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 838 states and 1305 transitions. [2022-10-17 16:46:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1305 transitions. [2022-10-17 16:46:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 16:46:18,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:18,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.