./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1o.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_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/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_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res1o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/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_b31dbddd-3db9-4011-86dc-4a1a2414e722/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 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf --- 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 17:06:37,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:37,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:37,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:37,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:37,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:37,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:37,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:37,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:37,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:37,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:37,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:37,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:37,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:37,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:37,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:37,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:37,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:37,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:37,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:37,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:37,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:37,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:37,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:37,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:37,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:37,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:37,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:37,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:37,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:37,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:37,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:37,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:37,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:37,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:37,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:37,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:37,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:37,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:37,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:37,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:37,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:38,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:38,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:38,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:38,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:38,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:38,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:38,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:38,006 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:38,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:38,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:38,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:38,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:38,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:38,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:38,029 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:38,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:38,029 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:38,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:38,030 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:38,030 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:38,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:38,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:38,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:38,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:38,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:38,031 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:38,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:38,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:38,032 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_b31dbddd-3db9-4011-86dc-4a1a2414e722/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf [2022-10-17 17:06:38,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:38,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:38,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:38,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:38,426 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:38,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/res1o.c [2022-10-17 17:06:38,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/data/1b07b511d/92a9cdf1e8fa455980df71038896c752/FLAG42d920411 [2022-10-17 17:06:39,091 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:39,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/sv-benchmarks/c/array-fpi/res1o.c [2022-10-17 17:06:39,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/data/1b07b511d/92a9cdf1e8fa455980df71038896c752/FLAG42d920411 [2022-10-17 17:06:39,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/data/1b07b511d/92a9cdf1e8fa455980df71038896c752 [2022-10-17 17:06:39,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:39,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:39,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:39,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:39,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:39,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b18088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39, skipping insertion in model container [2022-10-17 17:06:39,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:39,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:39,788 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_b31dbddd-3db9-4011-86dc-4a1a2414e722/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2022-10-17 17:06:39,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:39,838 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:39,855 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_b31dbddd-3db9-4011-86dc-4a1a2414e722/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2022-10-17 17:06:39,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:39,891 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:39,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39 WrapperNode [2022-10-17 17:06:39,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:39,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:39,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:39,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:39,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,950 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-10-17 17:06:39,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:39,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:39,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:39,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:39,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:39,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:39,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:39,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:39,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:39" (1/1) ... [2022-10-17 17:06:39,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:40,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31dbddd-3db9-4011-86dc-4a1a2414e722/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:06:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:06:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:06:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:06:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:40,143 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:40,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:40,438 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:40,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:40,551 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:06:40,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:40 BoogieIcfgContainer [2022-10-17 17:06:40,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:40,556 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:40,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:40,577 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:40,578 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:40" (1/1) ... [2022-10-17 17:06:40,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 17:06:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 17:06:40,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:06:40,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,029 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 17:06:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 17:06:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 17:06:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:06:41,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:41,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 17:06:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 17:06:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:06:41,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:41,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 17:06:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 17:06:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:06:41,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:41,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:06:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 17:06:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 17:06:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:06:41,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:43,263 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 17:06:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 25 states and 57 transitions. [2022-10-17 17:06:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 57 transitions. [2022-10-17 17:06:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:45,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:45,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 28 states and 68 transitions. [2022-10-17 17:06:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 68 transitions. [2022-10-17 17:06:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:46,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:46,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 33 states and 83 transitions. [2022-10-17 17:06:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 83 transitions. [2022-10-17 17:06:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:47,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:47,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 36 states and 91 transitions. [2022-10-17 17:06:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 91 transitions. [2022-10-17 17:06:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:49,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2022-10-17 17:06:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2022-10-17 17:06:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:50,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 97 transitions. [2022-10-17 17:06:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 97 transitions. [2022-10-17 17:06:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:52,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:52,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:06:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 90 transitions. [2022-10-17 17:06:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 90 transitions. [2022-10-17 17:06:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:52,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:06:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2022-10-17 17:06:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2022-10-17 17:06:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:53,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:53,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:06:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 92 transitions. [2022-10-17 17:06:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 92 transitions. [2022-10-17 17:06:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:54,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:54,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 78 transitions. [2022-10-17 17:06:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 78 transitions. [2022-10-17 17:06:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:55,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 47 states and 120 transitions. [2022-10-17 17:07:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 120 transitions. [2022-10-17 17:07:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:07:05,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 48 states and 121 transitions. [2022-10-17 17:07:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 121 transitions. [2022-10-17 17:07:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:07,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:07:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 52 states and 129 transitions. [2022-10-17 17:07:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 129 transitions. [2022-10-17 17:07:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:10,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.