./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:58,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:58,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:58,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:58,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:58,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:58,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:58,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:58,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:58,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:58,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:58,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:58,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:58,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:58,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:58,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:58,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:58,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:58,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:58,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:58,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:58,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:58,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:58,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:58,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:58,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:58,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:58,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:58,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:58,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:58,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:58,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:58,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:58,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:58,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:58,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:58,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:58,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:58,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:58,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:58,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:58,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:58,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:58,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:58,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:58,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:58,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:58,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:58,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:58,819 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:58,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:58,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:58,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:58,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:58,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:58,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:58,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:58,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:58,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:58,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:58,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:58,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:58,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:58,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:58,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:58,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:58,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:58,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:58,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:58,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:58,826 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_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a [2022-10-17 16:49:59,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:59,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:59,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:59,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:59,186 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:59,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2022-10-17 16:49:59,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/data/09d4a5f5c/24e1873cff2940628b0467105a566159/FLAGce1155b09 [2022-10-17 16:49:59,996 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:59,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2022-10-17 16:50:00,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/data/09d4a5f5c/24e1873cff2940628b0467105a566159/FLAGce1155b09 [2022-10-17 16:50:00,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/data/09d4a5f5c/24e1873cff2940628b0467105a566159 [2022-10-17 16:50:00,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:00,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:00,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:00,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:00,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:00,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8440884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00, skipping insertion in model container [2022-10-17 16:50:00,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:00,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:00,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2022-10-17 16:50:01,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:01,219 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:01,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2022-10-17 16:50:01,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:01,492 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:01,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01 WrapperNode [2022-10-17 16:50:01,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:01,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:01,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:01,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:01,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,772 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-10-17 16:50:01,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:01,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:01,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:01,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:01,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:02,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:02,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:02,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:02,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:02,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:02,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:02,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:02,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416a7e50-f39b-4778-9f35-c12130f621a4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:02,182 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:02,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:05,492 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:30,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:30,822 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:30,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:30 BoogieIcfgContainer [2022-10-17 16:50:30,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:30,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:30,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:30,840 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:30,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:30" (1/1) ... [2022-10-17 16:50:30,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:50:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:50:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:50:30,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:50:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:50:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:31,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms