./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 219260ea480bf5febe53042a46b4334f74f581e820f56e05a80e0503229ceb75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:02:32,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:02:32,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:02:32,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:02:32,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:02:32,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:02:32,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:02:32,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:02:32,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:02:32,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:02:32,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:02:32,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:02:32,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:02:32,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:02:32,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:02:32,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:02:32,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:02:32,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:02:32,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:02:32,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:02:32,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:02:32,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:02:32,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:02:32,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:02:32,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:02:32,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:02:32,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:02:32,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:02:32,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:02:32,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:02:32,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:02:32,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:02:32,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:02:32,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:02:32,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:02:32,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:02:32,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:02:32,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:02:32,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:02:32,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:02:32,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:02:32,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:02:32,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:02:32,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:02:32,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:02:32,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:02:32,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:02:32,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:02:32,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:02:32,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:02:32,950 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:02:32,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:02:32,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:02:32,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:02:32,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:02:32,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:02:32,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:02:32,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:02:32,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:02:32,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:02:32,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:02:32,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:02:32,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:02:32,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:32,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:02:32,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:02:32,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:02:32,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:02:32,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:02:32,958 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:02:32,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:02:32,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:02:32,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 219260ea480bf5febe53042a46b4334f74f581e820f56e05a80e0503229ceb75 [2022-11-16 12:02:33,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:02:33,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:02:33,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:02:33,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:02:33,345 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:02:33,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:33,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/8ea2205be/d2e5caeebe4f4e4790b5d548db18d6c7/FLAGd0ca35073 [2022-11-16 12:02:34,247 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:02:34,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:34,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/8ea2205be/d2e5caeebe4f4e4790b5d548db18d6c7/FLAGd0ca35073 [2022-11-16 12:02:34,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/8ea2205be/d2e5caeebe4f4e4790b5d548db18d6c7 [2022-11-16 12:02:34,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:02:34,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:02:34,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:34,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:02:34,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:02:34,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:34" (1/1) ... [2022-11-16 12:02:34,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4b4025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:34, skipping insertion in model container [2022-11-16 12:02:34,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:34" (1/1) ... [2022-11-16 12:02:34,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:02:34,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:02:34,815 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1107,1120] [2022-11-16 12:02:35,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:35,373 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:02:35,389 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1107,1120] [2022-11-16 12:02:35,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:35,612 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:02:35,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35 WrapperNode [2022-11-16 12:02:35,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:35,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:35,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:02:35,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:02:35,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:35,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:35,877 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2870 [2022-11-16 12:02:35,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:35,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:02:35,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:02:35,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:02:35,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:35,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:35,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:35,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:02:36,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:02:36,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:02:36,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:02:36,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (1/1) ... [2022-11-16 12:02:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:36,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:02:36,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:02:36,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:02:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:02:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:02:36,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:02:36,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:02:40,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:02:40,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:02:40,281 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:02:40,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:40 BoogieIcfgContainer [2022-11-16 12:02:40,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:02:40,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:02:40,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:02:40,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:02:40,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:02:34" (1/3) ... [2022-11-16 12:02:40,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc9928d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:40, skipping insertion in model container [2022-11-16 12:02:40,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:35" (2/3) ... [2022-11-16 12:02:40,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc9928d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:40, skipping insertion in model container [2022-11-16 12:02:40,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:40" (3/3) ... [2022-11-16 12:02:40,305 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:40,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:02:40,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:02:40,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:02:40,430 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4aa3e26a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:02:40,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:02:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 162 states have (on average 1.654320987654321) internal successors, (268), 163 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 12:02:40,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:40,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:40,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:40,460 INFO L85 PathProgramCache]: Analyzing trace with hash -327482853, now seen corresponding path program 1 times [2022-11-16 12:02:40,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:40,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028141753] [2022-11-16 12:02:40,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:41,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:41,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028141753] [2022-11-16 12:02:41,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028141753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:41,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:41,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:02:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581347541] [2022-11-16 12:02:41,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:41,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:02:41,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:41,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:02:41,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:02:41,721 INFO L87 Difference]: Start difference. First operand has 164 states, 162 states have (on average 1.654320987654321) internal successors, (268), 163 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:42,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:42,386 INFO L93 Difference]: Finished difference Result 484 states and 802 transitions. [2022-11-16 12:02:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:02:42,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-16 12:02:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:42,402 INFO L225 Difference]: With dead ends: 484 [2022-11-16 12:02:42,402 INFO L226 Difference]: Without dead ends: 322 [2022-11-16 12:02:42,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:02:42,410 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 762 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:42,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 543 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:02:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-16 12:02:42,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 162. [2022-11-16 12:02:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.639751552795031) internal successors, (264), 161 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 264 transitions. [2022-11-16 12:02:42,483 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 264 transitions. Word has length 9 [2022-11-16 12:02:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:42,484 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 264 transitions. [2022-11-16 12:02:42,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2022-11-16 12:02:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 12:02:42,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:42,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:42,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:02:42,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:42,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1560249297, now seen corresponding path program 1 times [2022-11-16 12:02:42,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:42,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809587987] [2022-11-16 12:02:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:42,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:02:42,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:02:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:02:43,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:02:43,461 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:02:43,463 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:02:43,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:02:43,473 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:02:43,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:02:43,556 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:02:43,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:02:43 BoogieIcfgContainer [2022-11-16 12:02:43,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:02:43,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:02:43,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:02:43,594 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:02:43,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:40" (3/4) ... [2022-11-16 12:02:43,598 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:02:43,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:02:43,601 INFO L158 Benchmark]: Toolchain (without parser) took 9218.76ms. Allocated memory was 123.7MB in the beginning and 339.7MB in the end (delta: 216.0MB). Free memory was 84.7MB in the beginning and 211.0MB in the end (delta: -126.3MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,602 INFO L158 Benchmark]: CDTParser took 11.85ms. Allocated memory is still 123.7MB. Free memory was 94.7MB in the beginning and 104.6MB in the end (delta: -10.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.05ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 262.83ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 83.3MB in the beginning and 125.7MB in the end (delta: -42.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,610 INFO L158 Benchmark]: Boogie Preprocessor took 227.07ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 113.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,612 INFO L158 Benchmark]: RCFGBuilder took 4183.86ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 113.2MB in the beginning and 270.1MB in the end (delta: -157.0MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,612 INFO L158 Benchmark]: TraceAbstraction took 3299.47ms. Allocated memory is still 339.7MB. Free memory was 269.1MB in the beginning and 211.0MB in the end (delta: 58.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-16 12:02:43,613 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 339.7MB. Free memory is still 211.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:02:43,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 11.85ms. Allocated memory is still 123.7MB. Free memory was 94.7MB in the beginning and 104.6MB in the end (delta: -10.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.05ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 262.83ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 83.3MB in the beginning and 125.7MB in the end (delta: -42.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 227.07ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 113.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4183.86ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 113.2MB in the beginning and 270.1MB in the end (delta: -157.0MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3299.47ms. Allocated memory is still 339.7MB. Free memory was 269.1MB in the beginning and 211.0MB in the end (delta: 58.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 339.7MB. Free memory is still 211.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 405, overapproximation of bitwiseOr at line 343, overapproximation of bitwiseAnd at line 409. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L37] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L38] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L40] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L41] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L43] const SORT_21 var_22 = 1; [L44] const SORT_21 var_26 = 2; [L45] const SORT_21 var_29 = 4; [L46] const SORT_21 var_33 = 8; [L47] const SORT_21 var_37 = 0; [L48] const SORT_21 var_46 = 16; [L49] const SORT_21 var_49 = 32; [L50] const SORT_21 var_52 = 64; [L51] const SORT_3 var_57 = 1; [L52] const SORT_3 var_61 = 0; [L53] const SORT_6 var_146 = 0; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_6 input_7; [L59] SORT_3 input_8; [L60] SORT_3 input_9; [L61] SORT_3 input_10; [L62] SORT_3 input_11; [L63] SORT_12 input_13; [L64] SORT_3 input_14; [L65] SORT_3 input_15; [L66] SORT_16 input_17; [L67] SORT_3 input_18; [L68] SORT_3 input_19; [L69] SORT_3 input_20; [L70] SORT_3 input_368; [L71] SORT_3 input_390; [L72] SORT_3 input_405; [L73] SORT_3 input_420; [L74] SORT_3 input_435; [L75] SORT_3 input_450; [L76] SORT_3 input_465; [L77] SORT_3 input_480; [L78] SORT_3 input_495; [L79] SORT_3 input_510; [L80] SORT_3 input_525; [L81] SORT_3 input_540; [L82] SORT_3 input_555; [L83] SORT_3 input_570; [L84] SORT_3 input_585; [L85] SORT_3 input_600; [L86] SORT_3 input_616; [L87] SORT_3 input_618; [L88] SORT_3 input_620; [L89] SORT_3 input_622; [L90] SORT_3 input_624; [L91] SORT_3 input_626; [L92] SORT_3 input_628; [L93] SORT_3 input_630; [L94] SORT_3 input_635; [L95] SORT_21 input_676; [L96] SORT_21 input_677; [L97] SORT_21 input_678; [L98] SORT_21 input_679; [L99] SORT_21 input_682; [L100] SORT_21 input_686; [L101] SORT_21 input_690; [L102] SORT_21 input_698; [L103] SORT_21 input_702; [L104] SORT_21 input_704; [L105] SORT_21 input_708; [L106] SORT_21 input_711; [L107] SORT_21 input_715; [L108] SORT_21 input_720; [L109] SORT_21 input_724; [L110] SORT_21 input_729; [L111] SORT_21 input_731; [L112] SORT_21 input_732; [L113] SORT_21 input_734; [L114] SORT_21 input_738; [L115] SORT_21 input_743; [L116] SORT_21 input_750; [L117] SORT_21 input_751; [L118] SORT_21 input_753; [L119] SORT_21 input_757; [L120] SORT_21 input_762; [L121] SORT_21 input_764; [L122] SORT_21 input_765; [L123] SORT_21 input_767; [L124] SORT_21 input_771; [L125] SORT_21 input_776; [L126] SORT_21 input_780; [L127] SORT_21 input_785; [L128] SORT_21 input_787; [L129] SORT_21 input_793; [L130] SORT_21 input_805; [L131] SORT_3 input_810; [L132] SORT_3 input_819; [L133] SORT_3 input_838; [L134] SORT_3 input_845; [L135] SORT_3 input_856; [L136] SORT_3 input_862; [L137] SORT_3 input_868; [L138] SORT_3 input_874; [L139] SORT_3 input_880; [L140] SORT_3 input_886; [L141] SORT_3 input_892; [L142] SORT_3 input_898; [L143] SORT_3 input_904; [L144] SORT_3 input_910; [L145] SORT_3 input_916; [L146] SORT_3 input_922; [L147] SORT_3 input_928; [L149] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L150] SORT_21 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L152] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] SORT_3 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] SORT_3 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] SORT_3 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] SORT_3 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] SORT_3 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] SORT_3 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] SORT_3 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] SORT_3 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] SORT_3 state_152 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] SORT_3 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] SORT_3 state_166 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] SORT_3 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] SORT_3 state_181 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] SORT_3 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] SORT_3 state_199 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] SORT_3 state_208 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] SORT_3 state_221 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] SORT_3 state_234 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] SORT_21 init_24_arg_1 = var_22; [L180] state_23 = init_24_arg_1 [L181] SORT_21 init_32_arg_1 = var_22; [L182] state_31 = init_32_arg_1 [L183] SORT_3 init_63_arg_1 = var_61; [L184] state_62 = init_63_arg_1 [L185] SORT_3 init_65_arg_1 = var_61; [L186] state_64 = init_65_arg_1 [L187] SORT_3 init_67_arg_1 = var_61; [L188] state_66 = init_67_arg_1 [L189] SORT_3 init_71_arg_1 = var_61; [L190] state_70 = init_71_arg_1 [L191] SORT_3 init_75_arg_1 = var_61; [L192] state_74 = init_75_arg_1 [L193] SORT_3 init_79_arg_1 = var_61; [L194] state_78 = init_79_arg_1 [L195] SORT_3 init_95_arg_1 = var_61; [L196] state_94 = init_95_arg_1 [L197] SORT_3 init_112_arg_1 = var_61; [L198] state_111 = init_112_arg_1 [L199] SORT_3 init_115_arg_1 = var_61; [L200] state_114 = init_115_arg_1 [L201] SORT_3 init_117_arg_1 = var_61; [L202] state_116 = init_117_arg_1 [L203] SORT_3 init_121_arg_1 = var_61; [L204] state_120 = init_121_arg_1 [L205] SORT_3 init_125_arg_1 = var_61; [L206] state_124 = init_125_arg_1 [L207] SORT_3 init_130_arg_1 = var_61; [L208] state_129 = init_130_arg_1 [L209] SORT_3 init_133_arg_1 = var_61; [L210] state_132 = init_133_arg_1 [L211] SORT_3 init_143_arg_1 = var_61; [L212] state_142 = init_143_arg_1 [L213] SORT_3 init_150_arg_1 = var_61; [L214] state_149 = init_150_arg_1 [L215] SORT_3 init_153_arg_1 = var_61; [L216] state_152 = init_153_arg_1 [L217] SORT_3 init_162_arg_1 = var_61; [L218] state_161 = init_162_arg_1 [L219] SORT_3 init_167_arg_1 = var_61; [L220] state_166 = init_167_arg_1 [L221] SORT_3 init_170_arg_1 = var_61; [L222] state_169 = init_170_arg_1 [L223] SORT_3 init_182_arg_1 = var_61; [L224] state_181 = init_182_arg_1 [L225] SORT_3 init_192_arg_1 = var_61; [L226] state_191 = init_192_arg_1 [L227] SORT_3 init_197_arg_1 = var_61; [L228] state_196 = init_197_arg_1 [L229] SORT_3 init_200_arg_1 = var_61; [L230] state_199 = init_200_arg_1 [L231] SORT_3 init_209_arg_1 = var_61; [L232] state_208 = init_209_arg_1 [L233] SORT_3 init_222_arg_1 = var_61; [L234] state_221 = init_222_arg_1 [L235] SORT_3 init_235_arg_1 = var_61; [L236] state_234 = init_235_arg_1 VAL [init_112_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_121_arg_1=0, init_125_arg_1=0, init_130_arg_1=0, init_133_arg_1=0, init_143_arg_1=0, init_150_arg_1=0, init_153_arg_1=0, init_162_arg_1=0, init_167_arg_1=0, init_170_arg_1=0, init_182_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_200_arg_1=0, init_209_arg_1=0, init_222_arg_1=0, init_235_arg_1=0, init_24_arg_1=1, init_32_arg_1=1, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_71_arg_1=0, init_75_arg_1=0, init_79_arg_1=0, init_95_arg_1=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_23=1, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L239] input_2 = __VERIFIER_nondet_uchar() [L240] input_4 = __VERIFIER_nondet_uchar() [L241] input_5 = __VERIFIER_nondet_uchar() [L242] input_7 = __VERIFIER_nondet_uchar() [L243] input_7 = input_7 & mask_SORT_6 VAL [init_112_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_121_arg_1=0, init_125_arg_1=0, init_130_arg_1=0, init_133_arg_1=0, init_143_arg_1=0, init_150_arg_1=0, init_153_arg_1=0, init_162_arg_1=0, init_167_arg_1=0, init_170_arg_1=0, init_182_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_200_arg_1=0, init_209_arg_1=0, init_222_arg_1=0, init_235_arg_1=0, init_24_arg_1=1, init_32_arg_1=1, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_71_arg_1=0, init_75_arg_1=0, init_79_arg_1=0, init_95_arg_1=0, input_2=89, input_4=38, input_5=34, input_7=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_23=1, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L244] input_8 = __VERIFIER_nondet_uchar() [L245] input_9 = __VERIFIER_nondet_uchar() [L246] input_10 = __VERIFIER_nondet_uchar() [L247] input_11 = __VERIFIER_nondet_uchar() [L248] input_13 = __VERIFIER_nondet_uchar() [L249] input_14 = __VERIFIER_nondet_uchar() [L250] input_15 = __VERIFIER_nondet_uchar() [L251] input_17 = __VERIFIER_nondet_uchar() [L252] input_18 = __VERIFIER_nondet_uchar() [L253] input_19 = __VERIFIER_nondet_uchar() [L254] input_20 = __VERIFIER_nondet_uchar() [L255] input_368 = __VERIFIER_nondet_uchar() [L256] input_390 = __VERIFIER_nondet_uchar() [L257] input_405 = __VERIFIER_nondet_uchar() [L258] input_420 = __VERIFIER_nondet_uchar() [L259] input_435 = __VERIFIER_nondet_uchar() [L260] input_450 = __VERIFIER_nondet_uchar() [L261] input_465 = __VERIFIER_nondet_uchar() [L262] input_480 = __VERIFIER_nondet_uchar() [L263] input_495 = __VERIFIER_nondet_uchar() [L264] input_510 = __VERIFIER_nondet_uchar() [L265] input_525 = __VERIFIER_nondet_uchar() [L266] input_540 = __VERIFIER_nondet_uchar() [L267] input_555 = __VERIFIER_nondet_uchar() [L268] input_570 = __VERIFIER_nondet_uchar() [L269] input_585 = __VERIFIER_nondet_uchar() [L270] input_600 = __VERIFIER_nondet_uchar() [L271] input_616 = __VERIFIER_nondet_uchar() [L272] input_618 = __VERIFIER_nondet_uchar() [L273] input_620 = __VERIFIER_nondet_uchar() [L274] input_622 = __VERIFIER_nondet_uchar() [L275] input_624 = __VERIFIER_nondet_uchar() [L276] input_626 = __VERIFIER_nondet_uchar() [L277] input_628 = __VERIFIER_nondet_uchar() [L278] input_630 = __VERIFIER_nondet_uchar() [L279] input_635 = __VERIFIER_nondet_uchar() [L280] input_676 = __VERIFIER_nondet_uchar() [L281] input_677 = __VERIFIER_nondet_uchar() [L282] input_678 = __VERIFIER_nondet_uchar() [L283] input_679 = __VERIFIER_nondet_uchar() [L284] input_682 = __VERIFIER_nondet_uchar() [L285] input_686 = __VERIFIER_nondet_uchar() [L286] input_690 = __VERIFIER_nondet_uchar() [L287] input_698 = __VERIFIER_nondet_uchar() [L288] input_702 = __VERIFIER_nondet_uchar() [L289] input_704 = __VERIFIER_nondet_uchar() [L290] input_708 = __VERIFIER_nondet_uchar() [L291] input_711 = __VERIFIER_nondet_uchar() [L292] input_715 = __VERIFIER_nondet_uchar() [L293] input_720 = __VERIFIER_nondet_uchar() [L294] input_724 = __VERIFIER_nondet_uchar() [L295] input_729 = __VERIFIER_nondet_uchar() [L296] input_731 = __VERIFIER_nondet_uchar() [L297] input_732 = __VERIFIER_nondet_uchar() [L298] input_734 = __VERIFIER_nondet_uchar() [L299] input_738 = __VERIFIER_nondet_uchar() [L300] input_743 = __VERIFIER_nondet_uchar() [L301] input_750 = __VERIFIER_nondet_uchar() [L302] input_751 = __VERIFIER_nondet_uchar() [L303] input_753 = __VERIFIER_nondet_uchar() [L304] input_757 = __VERIFIER_nondet_uchar() [L305] input_762 = __VERIFIER_nondet_uchar() [L306] input_764 = __VERIFIER_nondet_uchar() [L307] input_765 = __VERIFIER_nondet_uchar() [L308] input_767 = __VERIFIER_nondet_uchar() [L309] input_771 = __VERIFIER_nondet_uchar() [L310] input_776 = __VERIFIER_nondet_uchar() [L311] input_780 = __VERIFIER_nondet_uchar() [L312] input_785 = __VERIFIER_nondet_uchar() [L313] input_787 = __VERIFIER_nondet_uchar() [L314] input_793 = __VERIFIER_nondet_uchar() [L315] input_805 = __VERIFIER_nondet_uchar() [L316] input_810 = __VERIFIER_nondet_uchar() [L317] input_819 = __VERIFIER_nondet_uchar() [L318] input_838 = __VERIFIER_nondet_uchar() [L319] input_845 = __VERIFIER_nondet_uchar() [L320] input_856 = __VERIFIER_nondet_uchar() [L321] input_862 = __VERIFIER_nondet_uchar() [L322] input_868 = __VERIFIER_nondet_uchar() [L323] input_874 = __VERIFIER_nondet_uchar() [L324] input_880 = __VERIFIER_nondet_uchar() [L325] input_886 = __VERIFIER_nondet_uchar() [L326] input_892 = __VERIFIER_nondet_uchar() [L327] input_898 = __VERIFIER_nondet_uchar() [L328] input_904 = __VERIFIER_nondet_uchar() [L329] input_910 = __VERIFIER_nondet_uchar() [L330] input_916 = __VERIFIER_nondet_uchar() [L331] input_922 = __VERIFIER_nondet_uchar() [L332] input_928 = __VERIFIER_nondet_uchar() [L335] SORT_21 var_25_arg_0 = state_23; [L336] SORT_21 var_25_arg_1 = var_22; [L337] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L338] SORT_21 var_27_arg_0 = state_23; [L339] SORT_21 var_27_arg_1 = var_26; [L340] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L341] SORT_3 var_28_arg_0 = var_25; [L342] SORT_3 var_28_arg_1 = var_27; [L343] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L344] SORT_21 var_30_arg_0 = state_23; [L345] SORT_21 var_30_arg_1 = var_29; [L346] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L347] SORT_21 var_34_arg_0 = state_31; [L348] SORT_21 var_34_arg_1 = var_33; [L349] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L350] SORT_21 var_35_arg_0 = state_31; [L351] SORT_21 var_35_arg_1 = var_22; [L352] SORT_3 var_35 = var_35_arg_0 == var_35_arg_1; [L353] SORT_3 var_36_arg_0 = var_34; [L354] SORT_3 var_36_arg_1 = var_35; [L355] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L356] SORT_21 var_38_arg_0 = state_31; [L357] SORT_21 var_38_arg_1 = var_37; [L358] SORT_3 var_38 = var_38_arg_0 == var_38_arg_1; [L359] SORT_3 var_39_arg_0 = var_36; [L360] SORT_3 var_39_arg_1 = var_38; [L361] SORT_3 var_39 = var_39_arg_0 | var_39_arg_1; [L362] SORT_21 var_40_arg_0 = state_31; [L363] SORT_21 var_40_arg_1 = var_29; [L364] SORT_3 var_40 = var_40_arg_0 == var_40_arg_1; [L365] SORT_3 var_41_arg_0 = var_39; [L366] SORT_3 var_41_arg_1 = var_40; [L367] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L368] SORT_3 var_42_arg_0 = var_30; [L369] SORT_3 var_42_arg_1 = var_41; [L370] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L371] SORT_3 var_43_arg_0 = var_28; [L372] SORT_3 var_43_arg_1 = var_42; [L373] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L374] SORT_21 var_44_arg_0 = state_23; [L375] SORT_21 var_44_arg_1 = var_33; [L376] SORT_3 var_44 = var_44_arg_0 == var_44_arg_1; [L377] SORT_3 var_45_arg_0 = var_43; [L378] SORT_3 var_45_arg_1 = var_44; [L379] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L380] SORT_21 var_47_arg_0 = state_23; [L381] SORT_21 var_47_arg_1 = var_46; [L382] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L383] SORT_3 var_48_arg_0 = var_45; [L384] SORT_3 var_48_arg_1 = var_47; [L385] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L386] SORT_21 var_50_arg_0 = state_23; [L387] SORT_21 var_50_arg_1 = var_49; [L388] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L389] SORT_3 var_51_arg_0 = var_48; [L390] SORT_3 var_51_arg_1 = var_50; [L391] SORT_3 var_51 = var_51_arg_0 | var_51_arg_1; [L392] SORT_21 var_53_arg_0 = state_23; [L393] SORT_21 var_53_arg_1 = var_52; [L394] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L395] SORT_3 var_54_arg_0 = var_51; [L396] SORT_3 var_54_arg_1 = var_53; [L397] SORT_3 var_54 = var_54_arg_0 | var_54_arg_1; [L398] SORT_21 var_55_arg_0 = state_23; [L399] SORT_21 var_55_arg_1 = var_37; [L400] SORT_3 var_55 = var_55_arg_0 == var_55_arg_1; [L401] SORT_3 var_56_arg_0 = var_54; [L402] SORT_3 var_56_arg_1 = var_55; [L403] SORT_3 var_56 = var_56_arg_0 | var_56_arg_1; [L404] SORT_3 var_58_arg_0 = var_56; [L405] SORT_3 var_58 = ~var_58_arg_0; [L406] SORT_3 var_59_arg_0 = var_57; [L407] SORT_3 var_59_arg_1 = var_58; [L408] SORT_3 var_59 = var_59_arg_0 & var_59_arg_1; VAL [init_112_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_121_arg_1=0, init_125_arg_1=0, init_130_arg_1=0, init_133_arg_1=0, init_143_arg_1=0, init_150_arg_1=0, init_153_arg_1=0, init_162_arg_1=0, init_167_arg_1=0, init_170_arg_1=0, init_182_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_200_arg_1=0, init_209_arg_1=0, init_222_arg_1=0, init_235_arg_1=0, init_24_arg_1=1, init_32_arg_1=1, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_71_arg_1=0, init_75_arg_1=0, init_79_arg_1=0, init_95_arg_1=0, input_10=24, input_11=10, input_13=74, input_14=66, input_15=26, input_17=85, input_18=93, input_19=76, input_2=89, input_20=94, input_368=72, input_390=64, input_4=38, input_405=56, input_420=15, input_435=50, input_450=88, input_465=65, input_480=49, input_495=20, input_5=34, input_510=9, input_525=52, input_540=19, input_555=77, input_570=63, input_585=83, input_600=53, input_616=69, input_618=55, input_620=12, input_622=11, input_624=81, input_626=47, input_628=6, input_630=75, input_635=31, input_676=18, input_677=27, input_678=35, input_679=45, input_682=39, input_686=25, input_690=91, input_698=40, input_7=0, input_702=82, input_704=79, input_708=58, input_711=16, input_715=21, input_720=90, input_724=32, input_729=17, input_731=36, input_732=46, input_734=22, input_738=51, input_743=59, input_750=43, input_751=84, input_753=14, input_757=48, input_762=78, input_764=28, input_765=68, input_767=41, input_771=4, input_776=95, input_780=57, input_785=44, input_787=62, input_793=87, input_8=33, input_805=29, input_810=23, input_819=73, input_838=70, input_845=71, input_856=13, input_862=3, input_868=37, input_874=8, input_880=67, input_886=5, input_892=30, input_898=92, input_9=80, input_904=61, input_910=60, input_916=42, input_922=7, input_928=86, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_23=1, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26=2, var_27=0, var_27_arg_0=1, var_27_arg_1=2, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=4, var_30=0, var_30_arg_0=1, var_30_arg_1=4, var_33=8, var_34=0, var_34_arg_0=1, var_34_arg_1=8, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=1, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_38=0, var_38_arg_0=1, var_38_arg_1=0, var_39=1, var_39_arg_0=1, var_39_arg_1=0, var_40=0, var_40_arg_0=1, var_40_arg_1=4, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_43_arg_1=0, var_44=0, var_44_arg_0=1, var_44_arg_1=8, var_45=1, var_45_arg_0=1, var_45_arg_1=0, var_46=16, var_47=0, var_47_arg_0=1, var_47_arg_1=16, var_48=1, var_48_arg_0=1, var_48_arg_1=0, var_49=32, var_50=0, var_50_arg_0=1, var_50_arg_1=32, var_51=1, var_51_arg_0=1, var_51_arg_1=0, var_52=64, var_53=0, var_53_arg_0=1, var_53_arg_1=64, var_54=1, var_54_arg_0=1, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=0, var_57=1, var_58=2, var_58_arg_0=1, var_59=54, var_59_arg_0=1, var_59_arg_1=2, var_61=0] [L409] var_59 = var_59 & mask_SORT_3 VAL [init_112_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_121_arg_1=0, init_125_arg_1=0, init_130_arg_1=0, init_133_arg_1=0, init_143_arg_1=0, init_150_arg_1=0, init_153_arg_1=0, init_162_arg_1=0, init_167_arg_1=0, init_170_arg_1=0, init_182_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_200_arg_1=0, init_209_arg_1=0, init_222_arg_1=0, init_235_arg_1=0, init_24_arg_1=1, init_32_arg_1=1, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_71_arg_1=0, init_75_arg_1=0, init_79_arg_1=0, init_95_arg_1=0, input_10=24, input_11=10, input_13=74, input_14=66, input_15=26, input_17=85, input_18=93, input_19=76, input_2=89, input_20=94, input_368=72, input_390=64, input_4=38, input_405=56, input_420=15, input_435=50, input_450=88, input_465=65, input_480=49, input_495=20, input_5=34, input_510=9, input_525=52, input_540=19, input_555=77, input_570=63, input_585=83, input_600=53, input_616=69, input_618=55, input_620=12, input_622=11, input_624=81, input_626=47, input_628=6, input_630=75, input_635=31, input_676=18, input_677=27, input_678=35, input_679=45, input_682=39, input_686=25, input_690=91, input_698=40, input_7=0, input_702=82, input_704=79, input_708=58, input_711=16, input_715=21, input_720=90, input_724=32, input_729=17, input_731=36, input_732=46, input_734=22, input_738=51, input_743=59, input_750=43, input_751=84, input_753=14, input_757=48, input_762=78, input_764=28, input_765=68, input_767=41, input_771=4, input_776=95, input_780=57, input_785=44, input_787=62, input_793=87, input_8=33, input_805=29, input_810=23, input_819=73, input_838=70, input_845=71, input_856=13, input_862=3, input_868=37, input_874=8, input_880=67, input_886=5, input_892=30, input_898=92, input_9=80, input_904=61, input_910=60, input_916=42, input_922=7, input_928=86, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_23=1, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26=2, var_27=0, var_27_arg_0=1, var_27_arg_1=2, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=4, var_30=0, var_30_arg_0=1, var_30_arg_1=4, var_33=8, var_34=0, var_34_arg_0=1, var_34_arg_1=8, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=1, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_38=0, var_38_arg_0=1, var_38_arg_1=0, var_39=1, var_39_arg_0=1, var_39_arg_1=0, var_40=0, var_40_arg_0=1, var_40_arg_1=4, var_41=1, var_41_arg_0=1, var_41_arg_1=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_43_arg_1=0, var_44=0, var_44_arg_0=1, var_44_arg_1=8, var_45=1, var_45_arg_0=1, var_45_arg_1=0, var_46=16, var_47=0, var_47_arg_0=1, var_47_arg_1=16, var_48=1, var_48_arg_0=1, var_48_arg_1=0, var_49=32, var_50=0, var_50_arg_0=1, var_50_arg_1=32, var_51=1, var_51_arg_0=1, var_51_arg_1=0, var_52=64, var_53=0, var_53_arg_0=1, var_53_arg_1=64, var_54=1, var_54_arg_0=1, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=0, var_57=1, var_58=2, var_58_arg_0=1, var_59=1, var_59_arg_0=1, var_59_arg_1=2, var_61=0] [L410] SORT_3 bad_60_arg_0 = var_59; [L411] CALL __VERIFIER_assert(!(bad_60_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 164 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 270 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 160 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 12:02:43,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 219260ea480bf5febe53042a46b4334f74f581e820f56e05a80e0503229ceb75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:02:46,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:02:46,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:02:46,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:02:46,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:02:46,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:02:46,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:02:46,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:02:46,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:02:46,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:02:46,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:02:46,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:02:46,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:02:46,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:02:46,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:02:46,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:02:46,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:02:46,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:02:46,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:02:46,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:02:46,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:02:46,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:02:46,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:02:46,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:02:46,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:02:46,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:02:46,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:02:46,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:02:46,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:02:46,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:02:46,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:02:46,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:02:46,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:02:46,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:02:46,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:02:46,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:02:46,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:02:46,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:02:46,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:02:46,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:02:46,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:02:46,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:02:46,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:02:46,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:02:46,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:02:46,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:02:46,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:02:46,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:02:46,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:02:46,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:02:46,316 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:02:46,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:02:46,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:02:46,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:02:46,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:02:46,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:02:46,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:02:46,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:02:46,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:02:46,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:02:46,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:02:46,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:02:46,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:02:46,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:02:46,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:02:46,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:46,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:02:46,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:02:46,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:02:46,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:02:46,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:02:46,322 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:02:46,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:02:46,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:02:46,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:02:46,323 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 219260ea480bf5febe53042a46b4334f74f581e820f56e05a80e0503229ceb75 [2022-11-16 12:02:46,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:02:46,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:02:46,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:02:46,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:02:46,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:02:46,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:46,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/33f85adf6/22bf9031b3604528a1988720eff43c11/FLAG082b86318 [2022-11-16 12:02:47,679 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:02:47,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:47,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/33f85adf6/22bf9031b3604528a1988720eff43c11/FLAG082b86318 [2022-11-16 12:02:47,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/data/33f85adf6/22bf9031b3604528a1988720eff43c11 [2022-11-16 12:02:47,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:02:47,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:02:47,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:47,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:02:47,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:02:47,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:47" (1/1) ... [2022-11-16 12:02:47,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9d88e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:47, skipping insertion in model container [2022-11-16 12:02:47,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:47" (1/1) ... [2022-11-16 12:02:47,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:02:47,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:02:48,190 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1107,1120] [2022-11-16 12:02:48,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:48,624 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:02:48,636 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1107,1120] [2022-11-16 12:02:48,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:48,861 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:02:48,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48 WrapperNode [2022-11-16 12:02:48,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:48,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:48,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:02:48,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:02:48,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:48,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,121 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2513 [2022-11-16 12:02:49,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:49,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:02:49,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:02:49,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:02:49,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:02:49,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:02:49,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:02:49,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:02:49,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (1/1) ... [2022-11-16 12:02:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:02:49,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:02:49,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:02:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:02:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:02:50,243 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:02:50,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:02:55,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:02:55,506 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:02:55,506 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:02:55,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:55 BoogieIcfgContainer [2022-11-16 12:02:55,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:02:55,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:02:55,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:02:55,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:02:55,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:02:47" (1/3) ... [2022-11-16 12:02:55,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eebe54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:55, skipping insertion in model container [2022-11-16 12:02:55,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:48" (2/3) ... [2022-11-16 12:02:55,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eebe54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:55, skipping insertion in model container [2022-11-16 12:02:55,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:55" (3/3) ... [2022-11-16 12:02:55,520 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2022-11-16 12:02:55,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:02:55,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:02:55,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:02:55,632 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@281fa053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:02:55,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:02:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:55,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:02:55,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:55,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:02:55,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:02:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:02:55,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29562147] [2022-11-16 12:02:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:55,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:02:55,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:02:55,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:02:55,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:02:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:56,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-16 12:02:56,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:02:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:56,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:02:56,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:02:56,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29562147] [2022-11-16 12:02:56,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29562147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:56,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:56,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:02:56,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250667429] [2022-11-16 12:02:56,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:56,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:02:56,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:02:56,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:02:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:02:56,779 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:57,121 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:02:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:02:57,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-16 12:02:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:57,134 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:02:57,135 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:02:57,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:02:57,141 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:57,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:02:57,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:02:57,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:02:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:02:57,182 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:02:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:57,183 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:02:57,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:02:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:02:57,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:57,184 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:57,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 12:02:57,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:02:57,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:57,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,400 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:02:57,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:02:57,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936556849] [2022-11-16 12:02:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:02:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:02:57,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:02:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 12:02:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:59,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 2382 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 12:02:59,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:02:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:59,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:02:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:59,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:02:59,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936556849] [2022-11-16 12:02:59,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936556849] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:02:59,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:02:59,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:02:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845815047] [2022-11-16 12:02:59,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:02:59,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:02:59,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:02:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:02:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:02:59,786 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:00,478 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:03:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:03:00,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 [2022-11-16 12:03:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:00,482 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:03:00,482 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:03:00,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:03:00,484 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:00,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 12 Unchecked, 0.6s Time] [2022-11-16 12:03:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:03:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:03:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:03:00,489 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:03:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:00,489 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:03:00,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:03:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:03:00,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:00,494 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:03:00,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:00,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:03:00,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:00,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:03:00,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:03:00,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504111499] [2022-11-16 12:03:00,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:03:00,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:03:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:03:00,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:03:00,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 12:03:03,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:03:03,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:03:03,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 4508 conjuncts, 191 conjunts are in the unsatisfiable core [2022-11-16 12:03:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:11,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:29,266 WARN L233 SmtUtils]: Spent 17.51s on a formula simplification. DAG size of input: 138 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:03:39,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:03:39,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504111499] [2022-11-16 12:03:39,083 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 12:03:39,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:39,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:03:39,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 12:03:39,288 INFO L158 Benchmark]: Toolchain (without parser) took 51501.39ms. Allocated memory was 79.7MB in the beginning and 474.0MB in the end (delta: 394.3MB). Free memory was 58.4MB in the beginning and 294.0MB in the end (delta: -235.6MB). Peak memory consumption was 325.2MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,288 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:39,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1070.31ms. Allocated memory is still 79.7MB. Free memory was 58.1MB in the beginning and 32.9MB in the end (delta: 25.1MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 258.61ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 32.9MB in the beginning and 74.6MB in the end (delta: -41.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,290 INFO L158 Benchmark]: Boogie Preprocessor took 241.14ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 64.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,291 INFO L158 Benchmark]: RCFGBuilder took 6143.76ms. Allocated memory was 121.6MB in the beginning and 205.5MB in the end (delta: 83.9MB). Free memory was 64.6MB in the beginning and 63.4MB in the end (delta: 1.2MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,291 INFO L158 Benchmark]: TraceAbstraction took 43775.59ms. Allocated memory was 205.5MB in the beginning and 474.0MB in the end (delta: 268.4MB). Free memory was 63.4MB in the beginning and 294.0MB in the end (delta: -230.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. [2022-11-16 12:03:39,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1070.31ms. Allocated memory is still 79.7MB. Free memory was 58.1MB in the beginning and 32.9MB in the end (delta: 25.1MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 258.61ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 32.9MB in the beginning and 74.6MB in the end (delta: -41.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 241.14ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 64.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6143.76ms. Allocated memory was 121.6MB in the beginning and 205.5MB in the end (delta: 83.9MB). Free memory was 64.6MB in the beginning and 63.4MB in the end (delta: 1.2MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. * TraceAbstraction took 43775.59ms. Allocated memory was 205.5MB in the beginning and 474.0MB in the end (delta: 268.4MB). Free memory was 63.4MB in the beginning and 294.0MB in the end (delta: -230.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 12:03:39,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f21de-6c02-4de7-9b3e-8d4cddafeff6/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop