./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem1.i --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_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/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_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/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_4c99f118-a8fb-4766-84dc-be6bf37a8211/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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- 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 16:36:19,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:19,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:19,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:19,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:19,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:19,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:19,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:19,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:19,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:19,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:19,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:19,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:19,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:19,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:19,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:19,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:19,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:19,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:19,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:19,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:19,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:20,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:20,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:20,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:20,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:20,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:20,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:20,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:20,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:20,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:20,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:20,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:20,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:20,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:20,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:20,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:20,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:20,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:20,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:20,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:20,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:20,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:20,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:20,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:20,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:20,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:20,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:20,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:20,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:20,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:20,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:20,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:20,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:20,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:20,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:20,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:20,099 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:20,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:20,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:20,099 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_4c99f118-a8fb-4766-84dc-be6bf37a8211/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2022-10-17 16:36:20,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:20,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:20,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:20,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:20,365 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:20,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-data/shared_mem1.i [2022-10-17 16:36:20,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/data/bdfa2fe85/033c8a9c30ff4024b2e677b5017fe2a5/FLAGb30772ada [2022-10-17 16:36:20,956 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:20,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/sv-benchmarks/c/heap-data/shared_mem1.i [2022-10-17 16:36:20,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/data/bdfa2fe85/033c8a9c30ff4024b2e677b5017fe2a5/FLAGb30772ada [2022-10-17 16:36:21,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/data/bdfa2fe85/033c8a9c30ff4024b2e677b5017fe2a5 [2022-10-17 16:36:21,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:21,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:21,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:21,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:21,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:21,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9f5a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21, skipping insertion in model container [2022-10-17 16:36:21,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:21,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:21,648 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_4c99f118-a8fb-4766-84dc-be6bf37a8211/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-10-17 16:36:21,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:21,661 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:21,700 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_4c99f118-a8fb-4766-84dc-be6bf37a8211/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-10-17 16:36:21,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:21,731 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:21,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21 WrapperNode [2022-10-17 16:36:21,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:21,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:21,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:21,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:21,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,779 INFO L138 Inliner]: procedures = 121, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-10-17 16:36:21,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:21,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:21,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:21,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:21,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:21,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:21,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:21,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:21,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:21" (1/1) ... [2022-10-17 16:36:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:21,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99f118-a8fb-4766-84dc-be6bf37a8211/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:22,013 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:22,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:22,251 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:22,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:22,411 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:36:22,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:22 BoogieIcfgContainer [2022-10-17 16:36:22,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:22,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:22,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:22,426 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:22,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:22" (1/1) ... [2022-10-17 16:36:22,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-10-17 16:36:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-10-17 16:36:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:36:22,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:22,836 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 16:36:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-10-17 16:36:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-10-17 16:36:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:22,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:24,200 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 16:36:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:36:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:36:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:24,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:24,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:36:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:36:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:25,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:25,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2022-10-17 16:36:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2022-10-17 16:36:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:28,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2022-10-17 16:36:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2022-10-17 16:36:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:34,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 63 transitions. [2022-10-17 16:36:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 63 transitions. [2022-10-17 16:36:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:37,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:37,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat