./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4 --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 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 --- 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-2329fc7 [2022-12-14 22:34:48,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:34:48,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:34:48,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:34:48,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:34:48,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:34:48,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:34:48,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:34:48,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:34:48,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:34:48,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:34:48,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:34:48,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:34:48,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:34:48,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:34:48,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:34:48,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:34:48,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:34:48,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:34:48,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:34:48,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:34:48,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:34:48,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:34:48,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:34:48,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:34:48,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:34:48,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:34:48,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:34:48,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:34:48,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:34:48,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:34:48,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:34:48,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:34:48,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:34:48,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:34:48,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:34:48,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:34:48,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:34:48,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:34:48,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:34:48,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:34:48,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:34:48,215 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:34:48,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:34:48,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:34:48,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:34:48,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:34:48,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:34:48,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:34:48,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:34:48,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:34:48,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:34:48,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:34:48,217 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:34:48,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:34:48,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:34:48,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:34:48,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:34:48,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:34:48,218 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:34:48,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:34:48,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:34:48,218 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_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 [2022-12-14 22:34:48,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:34:48,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:34:48,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:34:48,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:34:48,406 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:34:48,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2022-12-14 22:34:50,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:34:51,171 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:34:51,171 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2022-12-14 22:34:51,179 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/data/cf3447bec/78148a0492924462997bba56b819e871/FLAG35b0862f4 [2022-12-14 22:34:51,535 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/data/cf3447bec/78148a0492924462997bba56b819e871 [2022-12-14 22:34:51,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:34:51,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:34:51,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:34:51,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:34:51,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:34:51,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b624d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51, skipping insertion in model container [2022-12-14 22:34:51,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:34:51,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:34:51,715 WARN L237 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_5d15a949-d726-416a-847a-d2e766f82e42/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2022-12-14 22:34:51,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:34:51,806 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:34:51,825 WARN L237 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_5d15a949-d726-416a-847a-d2e766f82e42/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2022-12-14 22:34:51,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:34:51,880 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:34:51,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51 WrapperNode [2022-12-14 22:34:51,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:34:51,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:34:51,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:34:51,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:34:51,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,937 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 22:34:51,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:34:51,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:34:51,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:34:51,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:34:51,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:34:51,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:34:51,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:34:51,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:34:51,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:51" (1/1) ... [2022-12-14 22:34:51,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:34:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:34:52,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:34:52,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:34:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:34:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:34:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:34:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:34:52,125 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:34:52,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:34:52,918 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:34:54,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:34:54,521 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:34:54,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:54 BoogieIcfgContainer [2022-12-14 22:34:54,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:34:54,524 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:34:54,524 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:34:54,532 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:34:54,532 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:54" (1/1) ... [2022-12-14 22:34:54,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:34:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:34:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 22:34:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 22:34:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:34:54,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:34:54,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:34:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:34:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:34:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:34:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 22:34:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 22:34:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:34:54,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:34:54,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:34:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:35:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:35:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:35:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 22:35:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 22:35:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:35:01,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:35:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:35:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:35:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:35:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:35:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-12-14 22:35:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-12-14 22:35:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:35:10,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:35:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:35:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:35:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:35:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:35:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-14 22:35:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-14 22:35:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:35:19,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:35:19,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:35:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:35:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:35:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:35:28,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-12-14 22:35:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-12-14 22:35:28,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:35:28,043 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-14 22:35:28,050 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:35:28,188 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 22:35:28,195 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-14 22:35:28,196 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:35:28,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:35:28 ImpRootNode [2022-12-14 22:35:28,196 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:35:28,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:35:28,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:35:28,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:35:28,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:54" (3/4) ... [2022-12-14 22:35:28,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:35:28,210 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 22:35:28,211 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 22:35:28,212 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 22:35:28,212 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:35:28,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:35:28,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:35:28,274 INFO L158 Benchmark]: Toolchain (without parser) took 36734.02ms. Allocated memory was 151.0MB in the beginning and 778.0MB in the end (delta: 627.0MB). Free memory was 113.8MB in the beginning and 565.5MB in the end (delta: -451.7MB). Peak memory consumption was 176.9MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,274 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:35:28,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.24ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 86.1MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.61ms. Allocated memory is still 151.0MB. Free memory was 86.1MB in the beginning and 78.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,275 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 73.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,275 INFO L158 Benchmark]: RCFGBuilder took 2538.43ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 73.5MB in the beginning and 128.1MB in the end (delta: -54.6MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,275 INFO L158 Benchmark]: CodeCheck took 33672.09ms. Allocated memory was 220.2MB in the beginning and 778.0MB in the end (delta: 557.8MB). Free memory was 128.1MB in the beginning and 577.0MB in the end (delta: -448.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,275 INFO L158 Benchmark]: Witness Printer took 76.87ms. Allocated memory is still 778.0MB. Free memory was 577.0MB in the beginning and 565.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:35:28,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 59 mSDtfsCounter, 296 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 522 GetRequests, 442 SyntacticMatches, 24 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1304 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.7s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 170]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (((a19 <= 5 || a1 <= 36) || !(a10 == 1)) || 219 <= a1)) || ((7 <= a19 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && ((!(a19 == 6) || !(a10 == 1)) || a1 <= 38)) && a12 == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.24ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 86.1MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.61ms. Allocated memory is still 151.0MB. Free memory was 86.1MB in the beginning and 78.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 73.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2538.43ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 73.5MB in the beginning and 128.1MB in the end (delta: -54.6MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * CodeCheck took 33672.09ms. Allocated memory was 220.2MB in the beginning and 778.0MB in the end (delta: 557.8MB). Free memory was 128.1MB in the beginning and 577.0MB in the end (delta: -448.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Witness Printer took 76.87ms. Allocated memory is still 778.0MB. Free memory was 577.0MB in the beginning and 565.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:35:28,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d15a949-d726-416a-847a-d2e766f82e42/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE