./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array17_pattern.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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array17_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/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 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 --- 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 16:49:46,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:46,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:46,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:46,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:46,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:46,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:46,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:46,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:46,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:46,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:46,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:46,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:46,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:46,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:46,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:46,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:46,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:46,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:46,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:46,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:46,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:46,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:46,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:46,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:46,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:46,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:46,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:46,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:46,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:46,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:46,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:46,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:46,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:46,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:46,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:46,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:46,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:46,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:46,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:46,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:46,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:46,891 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:46,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:46,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:46,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:46,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:46,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:46,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:46,894 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:46,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:46,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:46,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:46,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:46,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:46,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:46,895 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:46,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:46,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:46,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:46,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:46,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:46,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:46,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:46,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:46,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:46,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:46,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:46,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:46,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:46,898 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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 [2022-10-17 16:49:47,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:47,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:47,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:47,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:47,186 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:47,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-patterns/array17_pattern.c [2022-10-17 16:49:47,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/data/5ac4e2b66/ba8b0d6275b74d42b93cd99f0471ca09/FLAGcc8cdf334 [2022-10-17 16:49:47,796 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:47,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/sv-benchmarks/c/array-patterns/array17_pattern.c [2022-10-17 16:49:47,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/data/5ac4e2b66/ba8b0d6275b74d42b93cd99f0471ca09/FLAGcc8cdf334 [2022-10-17 16:49:48,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/data/5ac4e2b66/ba8b0d6275b74d42b93cd99f0471ca09 [2022-10-17 16:49:48,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:48,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:48,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:48,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:48,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:48,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae0cdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48, skipping insertion in model container [2022-10-17 16:49:48,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:48,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:48,387 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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2022-10-17 16:49:48,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:48,420 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:48,433 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_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2022-10-17 16:49:48,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:48,458 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:48,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48 WrapperNode [2022-10-17 16:49:48,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:48,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:48,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:48,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:48,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,501 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-10-17 16:49:48,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:48,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:48,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:48,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:48,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:48,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:48,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:48,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:48,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:48" (1/1) ... [2022-10-17 16:49:48,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:48,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:48,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5a8acf0-5c4a-4ce4-828b-d40b1d2b6659/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:48,689 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:48,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:48,924 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:49,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:49,114 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:49:49,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:49 BoogieIcfgContainer [2022-10-17 16:49:49,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:49,118 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:49,125 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:49,136 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:49,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:49" (1/1) ... [2022-10-17 16:49:49,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:49:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:49:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:49,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:49:49,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:49,455 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 16:49:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 16:49:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 16:49:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:49,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:49:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-10-17 16:49:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-10-17 16:49:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:49:49,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:49:49,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-10-17 16:49:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-10-17 16:49:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:49:50,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:50,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:49:50,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-10-17 16:49:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-10-17 16:49:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:50,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:50,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:49:50,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:49:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-10-17 16:49:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-10-17 16:49:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:51,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:49:51,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:49:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2022-10-17 16:49:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2022-10-17 16:49:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:51,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:49:51,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:49:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-10-17 16:49:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 16:49:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:51,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:49:51,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-10-17 16:49:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-10-17 16:49:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:51,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:52,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:49:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2022-10-17 16:49:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2022-10-17 16:49:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:52,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:49:52,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:53,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2022-10-17 16:49:53,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:49:53,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:49:54,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 566 treesize of output 543 [2022-10-17 16:49:57,598 INFO L356 Elim1Store]: treesize reduction 2641, result has 11.0 percent of original size [2022-10-17 16:49:57,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 634 treesize of output 1685 [2022-10-17 16:49:58,962 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:49:58,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 973 [2022-10-17 16:49:59,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:49:59,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:49:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:49:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:49:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:49:59,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:49:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:49:59,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:49:59,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:49:59,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:50:02,703 INFO L356 Elim1Store]: treesize reduction 1094, result has 17.8 percent of original size [2022-10-17 16:50:02,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2757 treesize of output 3862 [2022-10-17 16:50:08,754 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:08,757 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5576 [2022-10-17 16:50:09,559 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:09,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5576 [2022-10-17 16:50:09,844 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:09,852 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1735 [2022-10-17 16:50:10,015 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:10,017 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1735 [2022-10-17 16:50:10,361 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:10,363 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1735 [2022-10-17 16:50:10,469 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:50:10,475 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9112