./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/vogal-1.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_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/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_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/vogal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/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_860e121a-8969-4490-80e6-6ece1b15ddb3/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 0004a4c1c8347096eaba7e87038be30bb20b14d3b5abd082e79b4b4e835a243e --- 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 17:03:20,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:20,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:20,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:20,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:20,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:20,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:20,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:20,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:20,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:20,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:20,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:20,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:20,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:20,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:20,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:20,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:20,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:20,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:20,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:20,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:20,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:20,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:20,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:20,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:20,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:20,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:20,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:20,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:20,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:20,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:20,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:20,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:20,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:20,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:20,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:20,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:20,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:20,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:20,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:20,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:20,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:20,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:20,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:20,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:20,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:20,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:20,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:20,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:20,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:20,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:20,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:20,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:20,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:20,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:20,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:20,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:20,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:20,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:20,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:20,256 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:20,256 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:20,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:20,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:20,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:20,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:20,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:20,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:20,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:20,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:20,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0004a4c1c8347096eaba7e87038be30bb20b14d3b5abd082e79b4b4e835a243e [2022-10-17 17:03:20,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:20,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:20,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:20,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:20,561 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:20,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/vogal-1.i [2022-10-17 17:03:20,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/data/44b78da63/1d32394da06c4a37b8b0a0130fbaefa7/FLAGffd7c10a0 [2022-10-17 17:03:21,155 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:21,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/sv-benchmarks/c/loops/vogal-1.i [2022-10-17 17:03:21,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/data/44b78da63/1d32394da06c4a37b8b0a0130fbaefa7/FLAGffd7c10a0 [2022-10-17 17:03:21,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/data/44b78da63/1d32394da06c4a37b8b0a0130fbaefa7 [2022-10-17 17:03:21,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:21,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:21,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:21,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:21,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:21,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8253dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21, skipping insertion in model container [2022-10-17 17:03:21,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:21,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:21,770 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_860e121a-8969-4490-80e6-6ece1b15ddb3/sv-benchmarks/c/loops/vogal-1.i[895,908] [2022-10-17 17:03:21,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:21,841 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:21,859 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_860e121a-8969-4490-80e6-6ece1b15ddb3/sv-benchmarks/c/loops/vogal-1.i[895,908] [2022-10-17 17:03:21,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:21,903 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:21,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21 WrapperNode [2022-10-17 17:03:21,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:21,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:21,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:21,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:21,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,972 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 133 [2022-10-17 17:03:21,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:21,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:21,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:21,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:21,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:22,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:22,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:22,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:22,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:22,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:22,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:22,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:22,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860e121a-8969-4490-80e6-6ece1b15ddb3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:22,201 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:22,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:22,534 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:22,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:22,649 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:03:22,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:22 BoogieIcfgContainer [2022-10-17 17:03:22,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:22,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:22,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:22,664 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:22,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2022-10-17 17:03:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2022-10-17 17:03:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:03:22,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:22,994 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 17:03:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 17:03:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 17:03:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:03:23,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,326 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 17:03:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 17:03:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 17:03:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:03:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,551 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 17:03:23,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 17:03:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 17:03:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:03:23,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 17:03:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 17:03:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:03:23,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,094 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 17:03:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-10-17 17:03:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-10-17 17:03:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:03:24,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-10-17 17:03:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-10-17 17:03:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:24,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-10-17 17:03:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-10-17 17:03:24,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:24,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-10-17 17:03:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-10-17 17:03:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:25,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-10-17 17:03:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-10-17 17:03:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:25,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-10-17 17:03:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-10-17 17:03:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:25,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:03:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2022-10-17 17:03:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2022-10-17 17:03:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:25,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-10-17 17:03:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-10-17 17:03:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:25,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:03:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2022-10-17 17:03:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2022-10-17 17:03:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:03:29,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:03:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2022-10-17 17:03:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-10-17 17:03:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:03:32,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:32,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:03:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-10-17 17:03:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-10-17 17:03:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:03:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:33,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:03:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2022-10-17 17:03:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2022-10-17 17:03:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:03:34,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.