./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s52iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s52iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42afaf4812ef2b2763a89752ebaa3a1f68d1151dfeda318b525c69ba3de0c686 --- 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-e04fb08 [2022-11-16 11:50:01,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:50:01,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:50:01,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:50:01,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:50:01,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:50:01,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:50:01,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:50:01,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:50:01,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:50:01,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:50:01,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:50:01,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:50:01,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:50:01,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:50:01,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:50:01,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:50:01,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:50:01,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:50:01,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:50:01,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:50:01,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:50:01,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:50:01,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:50:01,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:50:01,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:50:01,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:50:01,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:50:01,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:50:01,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:50:01,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:50:01,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:50:01,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:50:01,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:50:01,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:50:01,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:50:01,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:50:01,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:50:01,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:50:01,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:50:01,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:50:01,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:50:01,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:50:01,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:50:01,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:50:01,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:50:01,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:50:01,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:50:01,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:50:01,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:50:01,713 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:50:01,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:50:01,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:50:01,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:50:01,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:50:01,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:50:01,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:50:01,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:50:01,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:50:01,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:50:01,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:50:01,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:50:01,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:50:01,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:50:01,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:50:01,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:50:01,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:50:01,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:50:01,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:50:01,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:50:01,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:50:01,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:50:01,718 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:50:01,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:50:01,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:50:01,718 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_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42afaf4812ef2b2763a89752ebaa3a1f68d1151dfeda318b525c69ba3de0c686 [2022-11-16 11:50:02,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:50:02,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:50:02,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:50:02,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:50:02,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:50:02,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-fpi/s52iff.c [2022-11-16 11:50:02,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/data/d1bae0333/779d196c7737482daa4f334b32c807f4/FLAG3ca30fa84 [2022-11-16 11:50:02,520 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:50:02,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/sv-benchmarks/c/array-fpi/s52iff.c [2022-11-16 11:50:02,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/data/d1bae0333/779d196c7737482daa4f334b32c807f4/FLAG3ca30fa84 [2022-11-16 11:50:02,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/data/d1bae0333/779d196c7737482daa4f334b32c807f4 [2022-11-16 11:50:02,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:50:02,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:50:02,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:02,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:50:02,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:50:02,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:02" (1/1) ... [2022-11-16 11:50:02,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e26eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:02, skipping insertion in model container [2022-11-16 11:50:02,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:02" (1/1) ... [2022-11-16 11:50:02,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:50:02,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:50:03,160 WARN L229 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_2b304f81-435a-467d-a077-ba992e9ee84f/sv-benchmarks/c/array-fpi/s52iff.c[589,602] [2022-11-16 11:50:03,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:03,188 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:50:03,198 WARN L229 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_2b304f81-435a-467d-a077-ba992e9ee84f/sv-benchmarks/c/array-fpi/s52iff.c[589,602] [2022-11-16 11:50:03,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:03,222 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:50:03,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03 WrapperNode [2022-11-16 11:50:03,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:03,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:03,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:50:03,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:50:03,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,262 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2022-11-16 11:50:03,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:03,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:50:03,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:50:03,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:50:03,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,289 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:50:03,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:50:03,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:50:03,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:50:03,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:50:03,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:50:03,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:50:03,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:50:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:50:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:50:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:50:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:50:03,440 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:50:03,442 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:50:03,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:50:03,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:50:03,622 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 11:50:03,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:03 BoogieIcfgContainer [2022-11-16 11:50:03,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:50:03,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:50:03,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:50:03,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:50:03,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:50:02" (1/3) ... [2022-11-16 11:50:03,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a526a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:50:03, skipping insertion in model container [2022-11-16 11:50:03,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03" (2/3) ... [2022-11-16 11:50:03,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a526a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:50:03, skipping insertion in model container [2022-11-16 11:50:03,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:03" (3/3) ... [2022-11-16 11:50:03,634 INFO L112 eAbstractionObserver]: Analyzing ICFG s52iff.c [2022-11-16 11:50:03,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:50:03,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:50:03,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:50:03,714 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41d4fead, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:50:03,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:50:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:03,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:50:03,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:50:03,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:03,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:50:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:03,733 INFO L85 PathProgramCache]: Analyzing trace with hash -845308063, now seen corresponding path program 1 times [2022-11-16 11:50:03,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:03,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886131442] [2022-11-16 11:50:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:50:03,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:03,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886131442] [2022-11-16 11:50:03,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886131442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:03,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:03,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:03,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339012641] [2022-11-16 11:50:03,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:03,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:50:03,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:03,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:50:03,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:50:03,977 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:03,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:50:03,993 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2022-11-16 11:50:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:50:03,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 11:50:03,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:50:04,001 INFO L225 Difference]: With dead ends: 42 [2022-11-16 11:50:04,002 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 11:50:04,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:50:04,008 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:50:04,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:50:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 11:50:04,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-16 11:50:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-16 11:50:04,054 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 13 [2022-11-16 11:50:04,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:50:04,055 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-16 11:50:04,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-16 11:50:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:50:04,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:50:04,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:04,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:50:04,059 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:50:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:04,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1238662774, now seen corresponding path program 1 times [2022-11-16 11:50:04,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:04,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885183716] [2022-11-16 11:50:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:04,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:50:04,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:04,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885183716] [2022-11-16 11:50:04,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885183716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:04,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:04,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:50:04,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211259521] [2022-11-16 11:50:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:04,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:50:04,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:04,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:50:04,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:50:04,265 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:50:04,348 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2022-11-16 11:50:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:50:04,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 11:50:04,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:50:04,350 INFO L225 Difference]: With dead ends: 39 [2022-11-16 11:50:04,350 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 11:50:04,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:50:04,352 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 36 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:50:04,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 11 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:50:04,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 11:50:04,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2022-11-16 11:50:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-16 11:50:04,358 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2022-11-16 11:50:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:50:04,358 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-16 11:50:04,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-16 11:50:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 11:50:04,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:50:04,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:04,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:50:04,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:50:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1944018757, now seen corresponding path program 1 times [2022-11-16 11:50:04,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:04,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886420545] [2022-11-16 11:50:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:50:04,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:50:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:50:04,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:50:04,558 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:50:04,560 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:50:04,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:50:04,565 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 11:50:04,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:50:04,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:50:04 BoogieIcfgContainer [2022-11-16 11:50:04,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:50:04,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:50:04,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:50:04,606 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:50:04,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:03" (3/4) ... [2022-11-16 11:50:04,609 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:50:04,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b304f81-435a-467d-a077-ba992e9ee84f/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:50:04,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:50:04,654 INFO L158 Benchmark]: Toolchain (without parser) took 1711.10ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 92.7MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:04,654 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:04,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 97.5MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:50:04,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.34ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:50:04,656 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:04,656 INFO L158 Benchmark]: RCFGBuilder took 331.81ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 82.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:04,657 INFO L158 Benchmark]: TraceAbstraction took 978.49ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 95.5MB in the end (delta: -13.3MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:04,657 INFO L158 Benchmark]: Witness Printer took 47.14ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 92.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:50:04,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 97.5MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.34ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.81ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 82.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 978.49ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 95.5MB in the end (delta: -13.3MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Witness Printer took 47.14ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 92.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={5:0}] [L32] COND TRUE i