./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/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 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac --- 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 [2022-12-15 03:16:25,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:16:25,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:16:25,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:16:25,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:16:25,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:16:25,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:16:25,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:16:25,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:16:25,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:16:25,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:16:25,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:16:25,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:16:25,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:16:25,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:16:25,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:16:25,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:16:25,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:16:25,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:16:25,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:16:25,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:16:25,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:16:25,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:16:25,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:16:25,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:16:25,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:16:25,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:16:25,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:16:25,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:16:25,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:16:25,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:16:25,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:16:25,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:16:25,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:16:25,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:16:25,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:16:25,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:16:25,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:16:25,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:16:25,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:16:25,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:16:25,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:16:25,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:16:25,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:16:25,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:16:25,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:16:25,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:16:25,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:16:25,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:16:25,676 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:16:25,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:16:25,678 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:16:25,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:16:25,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:16:25,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:16:25,678 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:16:25,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:16:25,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:16:25,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:25,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:16:25,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:16:25,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:16:25,680 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:16:25,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:16:25,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:16:25,680 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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac [2022-12-15 03:16:25,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:16:25,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:16:25,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:16:25,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:16:25,886 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:16:25,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2022-12-15 03:16:28,597 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:16:28,801 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:16:28,801 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2022-12-15 03:16:28,809 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/data/ff5b2b553/8cf857ffb1004c3696c453c63f7a4eec/FLAG30c8a62a6 [2022-12-15 03:16:28,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/data/ff5b2b553/8cf857ffb1004c3696c453c63f7a4eec [2022-12-15 03:16:28,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:16:28,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:16:28,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:28,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:16:28,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:16:28,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:28" (1/1) ... [2022-12-15 03:16:28,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aae7726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:28, skipping insertion in model container [2022-12-15 03:16:28,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:28" (1/1) ... [2022-12-15 03:16:28,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:16:28,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:16:29,157 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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2022-12-15 03:16:29,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:29,183 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:16:29,270 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_b4e7fc9a-626f-4e7d-a86e-defa90086c89/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2022-12-15 03:16:29,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:29,289 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:16:29,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29 WrapperNode [2022-12-15 03:16:29,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:29,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:29,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:16:29,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:16:29,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,342 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-12-15 03:16:29,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:29,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:16:29,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:16:29,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:16:29,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:16:29,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:16:29,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:16:29,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:16:29,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:29" (1/1) ... [2022-12-15 03:16:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:16:29,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:16:29,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:16:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:16:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:16:29,516 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:16:29,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:16:30,233 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:16:30,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:16:30,381 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:16:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:30 BoogieIcfgContainer [2022-12-15 03:16:30,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:16:30,384 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:16:30,384 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:16:30,391 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:16:30,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:30" (1/1) ... [2022-12-15 03:16:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:16:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-12-15 03:16:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-12-15 03:16:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 03:16:30,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:30,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-12-15 03:16:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-12-15 03:16:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 03:16:31,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 242 states and 357 transitions. [2022-12-15 03:16:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 357 transitions. [2022-12-15 03:16:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 03:16:31,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 246 states and 363 transitions. [2022-12-15 03:16:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 363 transitions. [2022-12-15 03:16:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 03:16:32,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 325 states and 444 transitions. [2022-12-15 03:16:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 444 transitions. [2022-12-15 03:16:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 03:16:32,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:16:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2022-12-15 03:16:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2022-12-15 03:16:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 03:16:33,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 338 states and 464 transitions. [2022-12-15 03:16:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 464 transitions. [2022-12-15 03:16:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-15 03:16:33,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:16:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 347 states and 477 transitions. [2022-12-15 03:16:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2022-12-15 03:16:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-15 03:16:33,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:16:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 352 states and 482 transitions. [2022-12-15 03:16:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 482 transitions. [2022-12-15 03:16:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-15 03:16:33,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:33,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:16:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 365 states and 499 transitions. [2022-12-15 03:16:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 499 transitions. [2022-12-15 03:16:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-15 03:16:34,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:34,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 372 states and 506 transitions. [2022-12-15 03:16:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 506 transitions. [2022-12-15 03:16:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-15 03:16:34,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:34,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:16:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 379 states and 513 transitions. [2022-12-15 03:16:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 513 transitions. [2022-12-15 03:16:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 03:16:34,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2022-12-15 03:16:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2022-12-15 03:16:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 03:16:34,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:34,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 385 states and 519 transitions. [2022-12-15 03:16:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 519 transitions. [2022-12-15 03:16:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-15 03:16:34,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 464 states and 601 transitions. [2022-12-15 03:16:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 601 transitions. [2022-12-15 03:16:35,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-15 03:16:35,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 03:16:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 478 states and 615 transitions. [2022-12-15 03:16:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 615 transitions. [2022-12-15 03:16:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-15 03:16:35,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:35,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-15 03:16:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 598 states and 744 transitions. [2022-12-15 03:16:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 744 transitions. [2022-12-15 03:16:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-15 03:16:36,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-15 03:16:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 599 states and 746 transitions. [2022-12-15 03:16:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2022-12-15 03:16:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-15 03:16:36,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:36,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-15 03:16:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 600 states and 746 transitions. [2022-12-15 03:16:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 746 transitions. [2022-12-15 03:16:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-15 03:16:37,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-15 03:16:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 601 states and 746 transitions. [2022-12-15 03:16:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 746 transitions. [2022-12-15 03:16:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-15 03:16:37,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-15 03:16:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 602 states and 746 transitions. [2022-12-15 03:16:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 746 transitions. [2022-12-15 03:16:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-15 03:16:37,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:37,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 37 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 720 states and 873 transitions. [2022-12-15 03:16:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 873 transitions. [2022-12-15 03:16:40,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:16:40,525 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-15 03:16:40,531 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 03:16:42,513 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-15 03:16:42,522 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-15 03:16:42,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:16:42,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:16:42 ImpRootNode [2022-12-15 03:16:42,522 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:16:42,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:16:42,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:16:42,523 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:16:42,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:30" (3/4) ... [2022-12-15 03:16:42,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:16:42,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-12-15 03:16:42,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-15 03:16:42,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 03:16:42,538 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:16:42,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:16:42,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:16:42,649 INFO L158 Benchmark]: Toolchain (without parser) took 13821.76ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 111.6MB in the beginning and 73.5MB in the end (delta: 38.1MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,649 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 86.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:16:42,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.22ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 85.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.79ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 80.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,650 INFO L158 Benchmark]: Boogie Preprocessor took 53.54ms. Allocated memory is still 148.9MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,650 INFO L158 Benchmark]: RCFGBuilder took 986.02ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,651 INFO L158 Benchmark]: CodeCheck took 12138.25ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 72.2MB in the beginning and 84.0MB in the end (delta: -11.7MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,651 INFO L158 Benchmark]: Witness Printer took 125.28ms. Allocated memory is still 262.1MB. Free memory was 84.0MB in the beginning and 73.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:16:42,652 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: 10.1s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15028 SdHoareTripleChecker+Valid, 34.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14866 mSDsluCounter, 2460 SdHoareTripleChecker+Invalid, 29.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2015 mSDsCounter, 8497 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37666 IncrementalHoareTripleChecker+Invalid, 46163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8497 mSolverCounterUnsat, 445 mSDtfsCounter, 37666 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20084 GetRequests, 19605 SyntacticMatches, 351 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16613 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2480 NumberOfCodeBlocks, 2480 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2459 ConstructedInterpolants, 0 QuantifiedInterpolants, 7470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 787/915 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: 584]: 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: ((11 <= a28 || !(10 <= a28)) || !(7 == a17)) || !(a25 == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((11 <= a28 || !(10 <= a28)) || !(7 == a17)) || !(a25 == 1) - 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 0.14ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 86.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.22ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 85.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.79ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 80.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.54ms. Allocated memory is still 148.9MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 986.02ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 73.3MB in the end (delta: 2.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * CodeCheck took 12138.25ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 72.2MB in the beginning and 84.0MB in the end (delta: -11.7MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. * Witness Printer took 125.28ms. Allocated memory is still 262.1MB. Free memory was 84.0MB in the beginning and 73.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:16:42,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e7fc9a-626f-4e7d-a86e-defa90086c89/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