./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label48.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_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/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_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/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_b56b845a-3182-4e5f-9b6b-8179e2effd24/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 4babcc6bd4e174141ca18aad9420e8fa087bd1696111a6d300a2c9edebd7b337 --- 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 20:31:02,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:31:02,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:31:02,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:31:02,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:31:02,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:31:02,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:31:02,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:31:02,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:31:02,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:31:02,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:31:02,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:31:02,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:31:02,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:31:02,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:31:02,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:31:02,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:31:02,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:31:02,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:31:02,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:31:02,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:31:02,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:31:02,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:31:02,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:31:02,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:31:02,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:31:02,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:31:02,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:31:02,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:31:02,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:31:02,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:31:02,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:31:02,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:31:02,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:31:02,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:31:02,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:31:02,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:31:02,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:31:02,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:31:02,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:31:02,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:31:02,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:31:02,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:31:02,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:31:02,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:31:02,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:31:02,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:31:02,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:31:02,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:31:02,829 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:31:02,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:31:02,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:31:02,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:31:02,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:02,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:31:02,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:31:02,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:31:02,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:31:02,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:31:02,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:31:02,832 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_b56b845a-3182-4e5f-9b6b-8179e2effd24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4babcc6bd4e174141ca18aad9420e8fa087bd1696111a6d300a2c9edebd7b337 [2022-12-14 20:31:03,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:31:03,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:31:03,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:31:03,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:31:03,050 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:31:03,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem09_label48.c [2022-12-14 20:31:05,602 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:31:07,199 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:31:07,200 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/sv-benchmarks/c/eca-rers2012/Problem09_label48.c [2022-12-14 20:31:07,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/data/b3c08c08c/8edfb9fac2c14a25a1bcdcfdc1daadc7/FLAG7178ecde0 [2022-12-14 20:31:07,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/data/b3c08c08c/8edfb9fac2c14a25a1bcdcfdc1daadc7 [2022-12-14 20:31:07,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:31:07,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:31:07,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:07,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:31:07,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:31:07,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:07" (1/1) ... [2022-12-14 20:31:07,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837457a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:07, skipping insertion in model container [2022-12-14 20:31:07,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:07" (1/1) ... [2022-12-14 20:31:07,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:31:08,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:31:32,924 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_b56b845a-3182-4e5f-9b6b-8179e2effd24/sv-benchmarks/c/eca-rers2012/Problem09_label48.c[6305002,6305015] [2022-12-14 20:31:33,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:33,034 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:31:46,258 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_b56b845a-3182-4e5f-9b6b-8179e2effd24/sv-benchmarks/c/eca-rers2012/Problem09_label48.c[6305002,6305015] [2022-12-14 20:31:46,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:49,227 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:31:49,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49 WrapperNode [2022-12-14 20:31:49,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:49,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:49,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:31:49,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:31:49,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:49,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:52,280 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2022-12-14 20:31:52,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:52,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:31:52,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:31:52,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:31:52,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:52,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:52,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:52,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:53,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:54,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:54,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:54,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:55,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:31:55,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:31:55,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:31:55,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:31:55,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:49" (1/1) ... [2022-12-14 20:31:55,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:31:55,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:31:55,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56b845a-3182-4e5f-9b6b-8179e2effd24/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:31:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:31:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:31:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:31:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:31:55,342 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:31:55,343 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:33:01,867 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:33:48,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:33:48,667 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:33:48,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:33:48 BoogieIcfgContainer [2022-12-14 20:33:48,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:33:48,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:33:48,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:33:48,687 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:33:48,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:33:48" (1/1) ... [2022-12-14 20:33:48,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:33:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:33:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-14 20:33:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-14 20:33:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-14 20:33:50,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:33:50,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:33:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:15,642 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 20:36:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52688 states to 33007 states and 52688 transitions. [2022-12-14 20:36:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 52688 transitions. [2022-12-14 20:36:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16470 [2022-12-14 20:36:16,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52693 states to 33010 states and 52693 transitions. [2022-12-14 20:37:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 33010 states and 52693 transitions. [2022-12-14 20:37:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16471 [2022-12-14 20:37:37,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:51,595 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 20:38:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52694 states to 33011 states and 52694 transitions. [2022-12-14 20:38:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 33011 states and 52694 transitions. [2022-12-14 20:38:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16472 [2022-12-14 20:38:53,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:40:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52702 states to 33016 states and 52702 transitions. [2022-12-14 20:40:06,124 INFO L276 IsEmpty]: Start isEmpty. Operand 33016 states and 52702 transitions. [2022-12-14 20:40:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16473 [2022-12-14 20:40:07,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat