./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/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_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/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_dad01ca2-7575-4353-8032-03d00d4c6a4c/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 dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 --- 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 18:15:26,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:15:26,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:15:26,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:15:26,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:15:26,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:15:26,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:15:26,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:15:26,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:15:26,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:15:26,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:15:26,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:15:26,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:15:26,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:15:26,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:15:26,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:15:26,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:15:26,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:15:26,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:15:26,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:15:26,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:15:26,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:15:26,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:15:26,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:15:26,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:15:26,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:15:26,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:15:26,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:15:26,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:15:26,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:15:26,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:15:26,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:15:26,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:15:26,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:15:26,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:15:26,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:15:26,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:15:26,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:15:26,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:15:26,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:15:26,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:15:26,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:15:26,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:15:26,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:15:26,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:15:26,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:15:26,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:15:26,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:15:26,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:15:26,225 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:15:26,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:15:26,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:15:26,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:15:26,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:15:26,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:15:26,227 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:15:26,227 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:15:26,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:15:26,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:15:26,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:15:26,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:15:26,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:15:26,228 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:15:26,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:15:26,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:15:26,229 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_dad01ca2-7575-4353-8032-03d00d4c6a4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 [2022-12-14 18:15:26,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:15:26,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:15:26,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:15:26,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:15:26,432 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:15:26,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2022-12-14 18:15:28,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:15:29,148 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:15:29,149 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2022-12-14 18:15:29,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/data/63bc6ea53/5250dcfae6d04e9dae7ceff7834c86db/FLAG5a42ffd1d [2022-12-14 18:15:29,530 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/data/63bc6ea53/5250dcfae6d04e9dae7ceff7834c86db [2022-12-14 18:15:29,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:15:29,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:15:29,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:15:29,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:15:29,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:15:29,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:29,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be52e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29, skipping insertion in model container [2022-12-14 18:15:29,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:29,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:15:29,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:15:29,833 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_dad01ca2-7575-4353-8032-03d00d4c6a4c/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2022-12-14 18:15:29,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:15:29,867 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:15:29,935 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_dad01ca2-7575-4353-8032-03d00d4c6a4c/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2022-12-14 18:15:29,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:15:29,960 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:15:29,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29 WrapperNode [2022-12-14 18:15:29,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:15:29,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:15:29,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:15:29,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:15:29,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:29,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,020 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-12-14 18:15:30,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:15:30,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:15:30,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:15:30,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:15:30,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:15:30,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:15:30,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:15:30,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:15:30,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:29" (1/1) ... [2022-12-14 18:15:30,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:15:30,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:15:30,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:15:30,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:15:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:15:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:15:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:15:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:15:30,199 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:15:30,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:15:30,905 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:15:31,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:15:31,067 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:15:31,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:31 BoogieIcfgContainer [2022-12-14 18:15:31,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:15:31,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:15:31,069 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:15:31,076 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:15:31,077 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:31" (1/1) ... [2022-12-14 18:15:31,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:15:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-12-14 18:15:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-12-14 18:15:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 18:15:31,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:31,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:31,407 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 18:15:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-12-14 18:15:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-12-14 18:15:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 18:15:31,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:31,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-12-14 18:15:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-12-14 18:15:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 18:15:32,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-12-14 18:15:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-12-14 18:15:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 18:15:32,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:32,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-12-14 18:15:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-12-14 18:15:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 18:15:32,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:32,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:15:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2022-12-14 18:15:32,913 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2022-12-14 18:15:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 18:15:32,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2022-12-14 18:15:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2022-12-14 18:15:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 18:15:32,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:32,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2022-12-14 18:15:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2022-12-14 18:15:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 18:15:33,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2022-12-14 18:15:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2022-12-14 18:15:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 18:15:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2022-12-14 18:15:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2022-12-14 18:15:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 18:15:33,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2022-12-14 18:15:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2022-12-14 18:15:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 18:15:34,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:15:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2022-12-14 18:15:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2022-12-14 18:15:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 18:15:34,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:15:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2022-12-14 18:15:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2022-12-14 18:15:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 18:15:34,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 18:15:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2022-12-14 18:15:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2022-12-14 18:15:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 18:15:34,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:15:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2022-12-14 18:15:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2022-12-14 18:15:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 18:15:34,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:15:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 445 states and 570 transitions. [2022-12-14 18:15:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 570 transitions. [2022-12-14 18:15:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 18:15:34,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 524 states and 654 transitions. [2022-12-14 18:15:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 654 transitions. [2022-12-14 18:15:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 18:15:35,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:35,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:15:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 548 states and 683 transitions. [2022-12-14 18:15:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 683 transitions. [2022-12-14 18:15:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 18:15:35,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:35,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 18:15:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2022-12-14 18:15:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2022-12-14 18:15:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 18:15:36,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 631 states and 780 transitions. [2022-12-14 18:15:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 780 transitions. [2022-12-14 18:15:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 18:15:37,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:37,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:15:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 661 states and 813 transitions. [2022-12-14 18:15:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 813 transitions. [2022-12-14 18:15:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 18:15:37,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:37,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:15:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2022-12-14 18:15:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2022-12-14 18:15:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 18:15:37,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 18:15:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 746 states and 910 transitions. [2022-12-14 18:15:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2022-12-14 18:15:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 18:15:38,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 18:15:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 756 states and 919 transitions. [2022-12-14 18:15:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 919 transitions. [2022-12-14 18:15:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 18:15:38,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 825 states and 994 transitions. [2022-12-14 18:15:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 994 transitions. [2022-12-14 18:15:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 18:15:39,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 972 states and 1147 transitions. [2022-12-14 18:15:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1147 transitions. [2022-12-14 18:15:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 18:15:41,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 18:15:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 974 states and 1152 transitions. [2022-12-14 18:15:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1152 transitions. [2022-12-14 18:15:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 18:15:41,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 18:15:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 975 states and 1152 transitions. [2022-12-14 18:15:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1152 transitions. [2022-12-14 18:15:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 18:15:41,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 18:15:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 976 states and 1152 transitions. [2022-12-14 18:15:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1152 transitions. [2022-12-14 18:15:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-14 18:15:41,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 18:15:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 895 states and 1058 transitions. [2022-12-14 18:15:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1058 transitions. [2022-12-14 18:15:41,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:15:41,783 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2022-12-14 18:15:41,790 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:15:44,198 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 18:15:44,205 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 18:15:44,206 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:15:44,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:15:44 ImpRootNode [2022-12-14 18:15:44,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:15:44,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:15:44,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:15:44,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:15:44,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:31" (3/4) ... [2022-12-14 18:15:44,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:15:44,221 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-12-14 18:15:44,222 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 18:15:44,222 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 18:15:44,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:15:44,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:15:44,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:15:44,288 INFO L158 Benchmark]: Toolchain (without parser) took 14752.40ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 84.5MB in the beginning and 180.5MB in the end (delta: -96.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,288 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:15:44,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.06ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 98.9MB in the end (delta: -14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.48ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 93.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,289 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 89.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,289 INFO L158 Benchmark]: RCFGBuilder took 995.57ms. Allocated memory is still 146.8MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,289 INFO L158 Benchmark]: CodeCheck took 13136.65ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 79.7MB in the beginning and 191.1MB in the end (delta: -111.5MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,289 INFO L158 Benchmark]: Witness Printer took 81.35ms. Allocated memory is still 255.9MB. Free memory was 191.1MB in the beginning and 180.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,290 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27748 SdHoareTripleChecker+Valid, 55.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27495 mSDsluCounter, 4443 SdHoareTripleChecker+Invalid, 47.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3704 mSDsCounter, 12450 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65555 IncrementalHoareTripleChecker+Invalid, 78005 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12450 mSolverCounterUnsat, 739 mSDtfsCounter, 65555 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27757 GetRequests, 27517 SyntacticMatches, 58 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15814 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3733 NumberOfCodeBlocks, 3733 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3704 ConstructedInterpolants, 0 QuantifiedInterpolants, 10121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 26 PerfectInterpolantSequences, 1656/1685 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: 500]: 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: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.06ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 98.9MB in the end (delta: -14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.48ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 93.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 89.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 995.57ms. Allocated memory is still 146.8MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * CodeCheck took 13136.65ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 79.7MB in the beginning and 191.1MB in the end (delta: -111.5MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * Witness Printer took 81.35ms. Allocated memory is still 255.9MB. Free memory was 191.1MB in the beginning and 180.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:15:44,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad01ca2-7575-4353-8032-03d00d4c6a4c/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