./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:03,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:03,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:08:03,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:03,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:03,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:03,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:03,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:03,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:03,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:03,882 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:03,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:03,883 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:03,884 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:03,885 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:03,885 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:03,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:03,886 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:03,887 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:03,888 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:03,888 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:03,889 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:03,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:03,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:03,891 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:03,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:03,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:03,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:03,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:03,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:03,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:03,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:03,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:03,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:03,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:03,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:03,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:03,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:03,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:03,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:03,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:03,898 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:03,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:03,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:03,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:03,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:03,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:03,900 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2023-11-23 21:08:04,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:04,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:04,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:04,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:04,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:04,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-23 21:08:07,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:07,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:07,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2023-11-23 21:08:07,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/data/2bf777c28/7e95819d38e04d6a90ece698f67d4d1e/FLAG101654b5f [2023-11-23 21:08:07,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/data/2bf777c28/7e95819d38e04d6a90ece698f67d4d1e [2023-11-23 21:08:07,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:07,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:07,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:07,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:07,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:07,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9bc6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07, skipping insertion in model container [2023-11-23 21:08:07,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:08,392 WARN L240 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_487a31bc-1456-4df0-84b2-13cd9755668b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2023-11-23 21:08:08,544 WARN L240 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_487a31bc-1456-4df0-84b2-13cd9755668b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2023-11-23 21:08:08,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:08,603 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:08,644 WARN L240 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_487a31bc-1456-4df0-84b2-13cd9755668b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2023-11-23 21:08:08,713 WARN L240 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_487a31bc-1456-4df0-84b2-13cd9755668b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2023-11-23 21:08:08,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:08,781 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:08:08,790 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:08,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08 WrapperNode [2023-11-23 21:08:08,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:08,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:08,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:08,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:08,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:08,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:08,989 INFO L138 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-11-23 21:08:08,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:08,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:08,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:08,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:09,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:09,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:09,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:09,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:09,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (1/1) ... [2023-11-23 21:08:09,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:09,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:09,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:08:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:08:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:08:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:08:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:08:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:08:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-23 21:08:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-23 21:08:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:08:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:08:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:08:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:08:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:08:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:08:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:09,656 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:09,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:11,580 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:13,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:13,284 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-23 21:08:13,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:13 BoogieIcfgContainer [2023-11-23 21:08:13,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:13,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:13,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:13,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:13,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:07" (1/3) ... [2023-11-23 21:08:13,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262bba6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:13, skipping insertion in model container [2023-11-23 21:08:13,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:08" (2/3) ... [2023-11-23 21:08:13,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262bba6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:13, skipping insertion in model container [2023-11-23 21:08:13,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:13" (3/3) ... [2023-11-23 21:08:13,295 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2023-11-23 21:08:13,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:13,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:08:13,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:13,377 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2c0710b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:13,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:08:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 145 states have (on average 1.7448275862068965) internal successors, (253), 162 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:08:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:08:13,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:13,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:13,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:13,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:13,397 INFO L85 PathProgramCache]: Analyzing trace with hash -494801198, now seen corresponding path program 1 times [2023-11-23 21:08:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:13,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534807520] [2023-11-23 21:08:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:13,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:13,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:08:13,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534807520] [2023-11-23 21:08:13,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534807520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:13,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:13,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:08:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489292867] [2023-11-23 21:08:13,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:13,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:08:13,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:08:13,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:08:13,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:08:13,625 INFO L87 Difference]: Start difference. First operand has 171 states, 145 states have (on average 1.7448275862068965) internal successors, (253), 162 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 21:08:15,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:17,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:19,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:20,479 INFO L93 Difference]: Finished difference Result 341 states and 602 transitions. [2023-11-23 21:08:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:08:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-11-23 21:08:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:20,493 INFO L225 Difference]: With dead ends: 341 [2023-11-23 21:08:20,493 INFO L226 Difference]: Without dead ends: 154 [2023-11-23 21:08:20,498 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 [2023-11-23 21:08:20,503 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:20,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:08:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-23 21:08:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2023-11-23 21:08:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 129 states have (on average 1.255813953488372) internal successors, (162), 145 states have internal predecessors, (162), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:08:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2023-11-23 21:08:20,579 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 8 [2023-11-23 21:08:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:20,581 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2023-11-23 21:08:20,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 21:08:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2023-11-23 21:08:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:08:20,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:20,587 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, 1] [2023-11-23 21:08:20,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:08:20,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:20,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:20,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1351427037, now seen corresponding path program 1 times [2023-11-23 21:08:20,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:20,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065799564] [2023-11-23 21:08:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:21,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:08:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065799564] [2023-11-23 21:08:21,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065799564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:21,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:21,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:08:21,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501304690] [2023-11-23 21:08:21,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:21,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:08:21,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:08:21,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:08:21,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:08:21,261 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:08:23,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:25,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:27,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:29,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:31,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:33,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:35,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:37,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:39,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:41,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:43,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:45,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:47,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:49,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:08:49,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:49,728 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2023-11-23 21:08:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:08:49,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-11-23 21:08:49,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:49,737 INFO L225 Difference]: With dead ends: 219 [2023-11-23 21:08:49,738 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 21:08:49,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:08:49,741 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 24 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:49,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 354 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 28.4s Time] [2023-11-23 21:08:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 21:08:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 98. [2023-11-23 21:08:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 90 states have internal predecessors, (97), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 5 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:08:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2023-11-23 21:08:49,758 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 22 [2023-11-23 21:08:49,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:49,758 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2023-11-23 21:08:49,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:08:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2023-11-23 21:08:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 21:08:49,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:49,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:49,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:08:49,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:49,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:49,762 INFO L85 PathProgramCache]: Analyzing trace with hash -717180934, now seen corresponding path program 1 times [2023-11-23 21:08:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:49,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125563043] [2023-11-23 21:08:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:49,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:49,884 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:08:49,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583338038] [2023-11-23 21:08:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:49,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:49,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:49,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:08:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:08:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:50,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:08:50,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:50,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:08:50,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:08:50,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125563043] [2023-11-23 21:08:50,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:08:50,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583338038] [2023-11-23 21:08:50,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583338038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:50,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:50,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:08:50,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018870109] [2023-11-23 21:08:50,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:50,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:08:50,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:08:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:08:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:08:50,412 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:52,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:54,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:54,452 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-11-23 21:08:54,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:08:54,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-11-23 21:08:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:54,457 INFO L225 Difference]: With dead ends: 108 [2023-11-23 21:08:54,457 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:08:54,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:08:54,459 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:54,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:08:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:08:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:08:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-23 21:08:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:08:54,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2023-11-23 21:08:54,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:54,461 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:08:54,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:08:54,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:08:54,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-23 21:08:54,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 21:08:54,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:08:54,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:54,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:08:54,771 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:08:54,771 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:08:54,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:08:54,772 INFO L902 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2023-11-23 21:08:54,772 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-23 21:08:54,772 INFO L902 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: true [2023-11-23 21:08:54,772 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-23 21:08:54,773 INFO L902 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true [2023-11-23 21:08:54,773 INFO L902 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: true [2023-11-23 21:08:54,773 INFO L899 garLoopResultBuilder]: For program point test_intEXIT(lines 707 755) no Hoare annotation was computed. [2023-11-23 21:08:54,773 INFO L899 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2023-11-23 21:08:54,773 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-23 21:08:54,774 INFO L902 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: true [2023-11-23 21:08:54,774 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-23 21:08:54,774 INFO L902 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: true [2023-11-23 21:08:54,774 INFO L899 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2023-11-23 21:08:54,774 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-23 21:08:54,774 INFO L902 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: true [2023-11-23 21:08:54,775 INFO L902 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: true [2023-11-23 21:08:54,775 INFO L899 garLoopResultBuilder]: For program point L739(line 739) no Hoare annotation was computed. [2023-11-23 21:08:54,775 INFO L902 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: true [2023-11-23 21:08:54,775 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-23 21:08:54,775 INFO L902 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: true [2023-11-23 21:08:54,775 INFO L902 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: true [2023-11-23 21:08:54,776 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2023-11-23 21:08:54,776 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-23 21:08:54,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 707 755) the Hoare annotation is: true [2023-11-23 21:08:54,776 INFO L902 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: true [2023-11-23 21:08:54,776 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-23 21:08:54,777 INFO L902 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: true [2023-11-23 21:08:54,777 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-23 21:08:54,777 INFO L902 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: true [2023-11-23 21:08:54,777 INFO L902 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: true [2023-11-23 21:08:54,777 INFO L899 garLoopResultBuilder]: For program point L745(line 745) no Hoare annotation was computed. [2023-11-23 21:08:54,777 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-23 21:08:54,778 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 754) no Hoare annotation was computed. [2023-11-23 21:08:54,778 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 765 774) no Hoare annotation was computed. [2023-11-23 21:08:54,778 INFO L895 garLoopResultBuilder]: At program point L765-4(lines 765 774) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,778 INFO L899 garLoopResultBuilder]: For program point L765-5(lines 765 774) no Hoare annotation was computed. [2023-11-23 21:08:54,779 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: false [2023-11-23 21:08:54,779 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2023-11-23 21:08:54,779 INFO L899 garLoopResultBuilder]: For program point L772-68(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,779 INFO L895 garLoopResultBuilder]: At program point L772-69(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,779 INFO L899 garLoopResultBuilder]: For program point L772-70(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,780 INFO L895 garLoopResultBuilder]: At program point L772-71(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,780 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 775 784) no Hoare annotation was computed. [2023-11-23 21:08:54,780 INFO L899 garLoopResultBuilder]: For program point L775-3(lines 775 784) no Hoare annotation was computed. [2023-11-23 21:08:54,780 INFO L895 garLoopResultBuilder]: At program point L775-4(lines 775 784) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,780 INFO L899 garLoopResultBuilder]: For program point L775-5(lines 775 784) no Hoare annotation was computed. [2023-11-23 21:08:54,780 INFO L899 garLoopResultBuilder]: For program point L772-170(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,781 INFO L895 garLoopResultBuilder]: At program point L772-171(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,781 INFO L899 garLoopResultBuilder]: For program point L772-172(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,781 INFO L899 garLoopResultBuilder]: For program point L772-173(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,781 INFO L895 garLoopResultBuilder]: At program point L772-174(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,781 INFO L899 garLoopResultBuilder]: For program point L772-175(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,782 INFO L895 garLoopResultBuilder]: At program point L772-176(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,782 INFO L899 garLoopResultBuilder]: For program point L772-178(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,782 INFO L899 garLoopResultBuilder]: For program point L772-180(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,782 INFO L895 garLoopResultBuilder]: At program point L772-182(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,782 INFO L899 garLoopResultBuilder]: For program point L772-183(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,783 INFO L899 garLoopResultBuilder]: For program point L772-184(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,783 INFO L895 garLoopResultBuilder]: At program point L772-186(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,783 INFO L899 garLoopResultBuilder]: For program point L772-187(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,783 INFO L899 garLoopResultBuilder]: For program point L772-188(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,783 INFO L895 garLoopResultBuilder]: At program point L772-189(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,783 INFO L899 garLoopResultBuilder]: For program point L778-3(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,784 INFO L899 garLoopResultBuilder]: For program point L772-190(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,784 INFO L899 garLoopResultBuilder]: For program point L776-68(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,784 INFO L899 garLoopResultBuilder]: For program point L772-193(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,784 INFO L895 garLoopResultBuilder]: At program point L776-69(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,784 INFO L895 garLoopResultBuilder]: At program point L772-194(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,785 INFO L899 garLoopResultBuilder]: For program point L776-70(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,785 INFO L899 garLoopResultBuilder]: For program point L778-8(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,785 INFO L895 garLoopResultBuilder]: At program point L776-71(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,785 INFO L899 garLoopResultBuilder]: For program point L778-11(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,785 INFO L895 garLoopResultBuilder]: At program point L778-12(line 778) the Hoare annotation is: false [2023-11-23 21:08:54,786 INFO L899 garLoopResultBuilder]: For program point L778-13(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,786 INFO L899 garLoopResultBuilder]: For program point L772-202(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,786 INFO L895 garLoopResultBuilder]: At program point L772-203(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,786 INFO L899 garLoopResultBuilder]: For program point L778-22(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,786 INFO L895 garLoopResultBuilder]: At program point L778-23(line 778) the Hoare annotation is: false [2023-11-23 21:08:54,786 INFO L899 garLoopResultBuilder]: For program point L772-210(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,787 INFO L899 garLoopResultBuilder]: For program point L772-212(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,787 INFO L895 garLoopResultBuilder]: At program point L772-214(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,787 INFO L899 garLoopResultBuilder]: For program point L772-215(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,787 INFO L899 garLoopResultBuilder]: For program point L778-34(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,787 INFO L895 garLoopResultBuilder]: At program point L778-35(line 778) the Hoare annotation is: false [2023-11-23 21:08:54,787 INFO L899 garLoopResultBuilder]: For program point L778-36(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,788 INFO L899 garLoopResultBuilder]: For program point L778-37(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,788 INFO L899 garLoopResultBuilder]: For program point L778-38(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,788 INFO L899 garLoopResultBuilder]: For program point L772-225(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,788 INFO L895 garLoopResultBuilder]: At program point L778-39(line 778) the Hoare annotation is: false [2023-11-23 21:08:54,788 INFO L899 garLoopResultBuilder]: For program point L778-40(line 778) no Hoare annotation was computed. [2023-11-23 21:08:54,788 INFO L899 garLoopResultBuilder]: For program point L772-235(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,789 INFO L895 garLoopResultBuilder]: At program point L772-236(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,789 INFO L899 garLoopResultBuilder]: For program point L772-237(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,789 INFO L895 garLoopResultBuilder]: At program point L772-246(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,789 INFO L895 garLoopResultBuilder]: At program point L772-248(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,789 INFO L895 garLoopResultBuilder]: At program point L780(line 780) the Hoare annotation is: false [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L772-249(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L780-1(line 780) no Hoare annotation was computed. [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L772-255(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L772-256(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,790 INFO L895 garLoopResultBuilder]: At program point L772-257(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L772-259(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,790 INFO L899 garLoopResultBuilder]: For program point L772-260(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,791 INFO L895 garLoopResultBuilder]: At program point L772-261(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,791 INFO L899 garLoopResultBuilder]: For program point L772-262(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,791 INFO L899 garLoopResultBuilder]: For program point L772-263(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,791 INFO L895 garLoopResultBuilder]: At program point L772-264(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,791 INFO L899 garLoopResultBuilder]: For program point L772-265(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,792 INFO L895 garLoopResultBuilder]: At program point L772-266(line 772) the Hoare annotation is: false [2023-11-23 21:08:54,792 INFO L899 garLoopResultBuilder]: For program point L772-267(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,792 INFO L899 garLoopResultBuilder]: For program point L772-268(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,792 INFO L895 garLoopResultBuilder]: At program point L772-269(line 772) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:08:54,792 INFO L899 garLoopResultBuilder]: For program point L772-270(line 772) no Hoare annotation was computed. [2023-11-23 21:08:54,792 INFO L899 garLoopResultBuilder]: For program point L776-170(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,793 INFO L895 garLoopResultBuilder]: At program point L776-171(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,793 INFO L899 garLoopResultBuilder]: For program point L776-172(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,793 INFO L899 garLoopResultBuilder]: For program point L776-173(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,793 INFO L895 garLoopResultBuilder]: At program point L776-174(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,793 INFO L899 garLoopResultBuilder]: For program point L776-175(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,794 INFO L895 garLoopResultBuilder]: At program point L776-176(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,794 INFO L899 garLoopResultBuilder]: For program point L776-178(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,794 INFO L899 garLoopResultBuilder]: For program point L776-185(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,794 INFO L895 garLoopResultBuilder]: At program point L776-186(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,794 INFO L899 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2023-11-23 21:08:54,794 INFO L899 garLoopResultBuilder]: For program point L776-187(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-188(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-190(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L895 garLoopResultBuilder]: At program point L776-191(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-197(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-198(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-201(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,795 INFO L899 garLoopResultBuilder]: For program point L776-202(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,796 INFO L899 garLoopResultBuilder]: For program point L776-204(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,796 INFO L895 garLoopResultBuilder]: At program point L776-205(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,796 INFO L895 garLoopResultBuilder]: At program point L776-207(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,796 INFO L899 garLoopResultBuilder]: For program point L776-208(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,796 INFO L895 garLoopResultBuilder]: At program point L776-209(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,797 INFO L899 garLoopResultBuilder]: For program point L776-211(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,797 INFO L899 garLoopResultBuilder]: For program point L776-213(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,797 INFO L895 garLoopResultBuilder]: At program point L776-214(line 776) the Hoare annotation is: false [2023-11-23 21:08:54,797 INFO L899 garLoopResultBuilder]: For program point L776-215(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,797 INFO L899 garLoopResultBuilder]: For program point L776-216(line 776) no Hoare annotation was computed. [2023-11-23 21:08:54,797 INFO L895 garLoopResultBuilder]: At program point L776-217(line 776) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:08:54,798 INFO L899 garLoopResultBuilder]: For program point L776-218(lines 775 784) no Hoare annotation was computed. [2023-11-23 21:08:54,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:08:54,798 INFO L902 garLoopResultBuilder]: At program point L786-9(lines 786 789) the Hoare annotation is: true [2023-11-23 21:08:54,798 INFO L899 garLoopResultBuilder]: For program point L787-3(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,798 INFO L899 garLoopResultBuilder]: For program point L787-8(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,798 INFO L899 garLoopResultBuilder]: For program point L787-11(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,798 INFO L902 garLoopResultBuilder]: At program point L787-12(line 787) the Hoare annotation is: true [2023-11-23 21:08:54,799 INFO L899 garLoopResultBuilder]: For program point L787-13(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,799 INFO L899 garLoopResultBuilder]: For program point L787-22(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,799 INFO L902 garLoopResultBuilder]: At program point L787-23(line 787) the Hoare annotation is: true [2023-11-23 21:08:54,799 INFO L899 garLoopResultBuilder]: For program point L787-34(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,799 INFO L902 garLoopResultBuilder]: At program point L787-35(line 787) the Hoare annotation is: true [2023-11-23 21:08:54,799 INFO L899 garLoopResultBuilder]: For program point L787-36(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,800 INFO L899 garLoopResultBuilder]: For program point L787-37(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,800 INFO L899 garLoopResultBuilder]: For program point L787-38(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,800 INFO L902 garLoopResultBuilder]: At program point L787-39(line 787) the Hoare annotation is: true [2023-11-23 21:08:54,800 INFO L899 garLoopResultBuilder]: For program point L787-40(line 787) no Hoare annotation was computed. [2023-11-23 21:08:54,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2023-11-23 21:08:54,800 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:08:54,801 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-23 21:08:54,801 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-23 21:08:54,801 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-23 21:08:54,801 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-23 21:08:54,801 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-23 21:08:54,801 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-23 21:08:54,805 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:08:54,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:08:54,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,825 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:08:54,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:08:54 BoogieIcfgContainer [2023-11-23 21:08:54,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:08:54,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:08:54,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:08:54,828 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:08:54,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:13" (3/4) ... [2023-11-23 21:08:54,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:08:54,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 21:08:54,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_int [2023-11-23 21:08:54,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:08:54,912 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 252 nodes and edges [2023-11-23 21:08:54,917 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-23 21:08:54,920 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 21:08:54,922 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:08:55,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:08:55,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:08:55,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:08:55,089 INFO L158 Benchmark]: Toolchain (without parser) took 47230.49ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 121.4MB in the beginning and 182.8MB in the end (delta: -61.4MB). Peak memory consumption was 164.7MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,089 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:55,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.15ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 86.1MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.52ms. Allocated memory is still 153.1MB. Free memory was 86.1MB in the beginning and 76.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,091 INFO L158 Benchmark]: Boogie Preprocessor took 186.90ms. Allocated memory is still 153.1MB. Free memory was 76.5MB in the beginning and 112.7MB in the end (delta: -36.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,091 INFO L158 Benchmark]: RCFGBuilder took 4108.20ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 112.7MB in the beginning and 165.2MB in the end (delta: -52.5MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,091 INFO L158 Benchmark]: TraceAbstraction took 41539.01ms. Allocated memory is still 255.9MB. Free memory was 164.1MB in the beginning and 65.9MB in the end (delta: 98.3MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,092 INFO L158 Benchmark]: Witness Printer took 260.77ms. Allocated memory is still 255.9MB. Free memory was 65.9MB in the beginning and 182.8MB in the end (delta: -117.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-23 21:08:55,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.15ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 86.1MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.52ms. Allocated memory is still 153.1MB. Free memory was 86.1MB in the beginning and 76.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.90ms. Allocated memory is still 153.1MB. Free memory was 76.5MB in the beginning and 112.7MB in the end (delta: -36.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4108.20ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 112.7MB in the beginning and 165.2MB in the end (delta: -52.5MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41539.01ms. Allocated memory is still 255.9MB. Free memory was 164.1MB in the beginning and 65.9MB in the end (delta: 98.3MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. * Witness Printer took 260.77ms. Allocated memory is still 255.9MB. Free memory was 65.9MB in the beginning and 182.8MB in the end (delta: -117.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * 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 - PositiveResult [Line: 782]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 703]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 171 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 41.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 39.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 39.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 319 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 165 PreInvPairs, 184 NumberOfFragments, 147 HoareAnnotationTreeSize, 165 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-23 21:08:55,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_487a31bc-1456-4df0-84b2-13cd9755668b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE