./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de5a591efb40e891e226106d8590a7409596f3a27aca8b697af826abd4fe5201 --- 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-2329fc7 [2022-12-14 14:50:35,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:50:35,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:50:35,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:50:35,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:50:35,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:50:35,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:50:35,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:50:35,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:50:35,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:50:35,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:50:35,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:50:35,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:50:35,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:50:35,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:50:35,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:50:35,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:50:35,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:50:35,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:50:35,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:50:35,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:50:35,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:50:35,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:50:35,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:50:35,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:50:35,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:50:35,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:50:35,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:50:35,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:50:35,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:50:35,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:50:35,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:50:35,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:50:35,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:50:35,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:50:35,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:50:35,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:50:35,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:50:35,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:50:35,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:50:35,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:50:35,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:50:35,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:50:35,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:50:35,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:50:35,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:50:35,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:50:35,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:50:35,101 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:50:35,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:50:35,102 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:50:35,103 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:50:35,103 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:50:35,103 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:50:35,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:50:35,103 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:50:35,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:50:35,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:50:35,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:50:35,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:50:35,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:50:35,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:50:35,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:50:35,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:50:35,106 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_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5a591efb40e891e226106d8590a7409596f3a27aca8b697af826abd4fe5201 [2022-12-14 14:50:35,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:50:35,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:50:35,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:50:35,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:50:35,315 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:50:35,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2022-12-14 14:50:37,862 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:50:37,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:50:38,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2022-12-14 14:50:38,006 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/data/803c7fa7c/1680323ace554e819336f3c796b56641/FLAG35a754618 [2022-12-14 14:50:38,403 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/data/803c7fa7c/1680323ace554e819336f3c796b56641 [2022-12-14 14:50:38,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:50:38,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:50:38,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:50:38,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:50:38,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:50:38,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ea6c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38, skipping insertion in model container [2022-12-14 14:50:38,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:50:38,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:50:38,606 WARN L237 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_bf3d6a84-4d41-4deb-871c-72aac82b3744/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2022-12-14 14:50:38,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:50:38,625 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:50:38,683 WARN L237 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_bf3d6a84-4d41-4deb-871c-72aac82b3744/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2022-12-14 14:50:38,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:50:38,699 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:50:38,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38 WrapperNode [2022-12-14 14:50:38,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:50:38,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:50:38,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:50:38,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:50:38,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,746 INFO L138 Inliner]: procedures = 17, calls = 293, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 772 [2022-12-14 14:50:38,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:50:38,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:50:38,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:50:38,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:50:38,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:50:38,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:50:38,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:50:38,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:50:38,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (1/1) ... [2022-12-14 14:50:38,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:50:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:50:38,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:50:38,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:50:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:50:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:50:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:50:38,942 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:50:38,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:50:39,479 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:50:39,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:50:39,495 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:50:39,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:50:39 BoogieIcfgContainer [2022-12-14 14:50:39,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:50:39,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:50:39,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:50:39,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:50:39,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:50:38" (1/3) ... [2022-12-14 14:50:39,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2a82ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:50:39, skipping insertion in model container [2022-12-14 14:50:39,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:50:38" (2/3) ... [2022-12-14 14:50:39,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2a82ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:50:39, skipping insertion in model container [2022-12-14 14:50:39,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:50:39" (3/3) ... [2022-12-14 14:50:39,506 INFO L112 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2022-12-14 14:50:39,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:50:39,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:50:39,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:50:39,571 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@52a45fb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:50:39,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:50:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.934782608695652) internal successors, (89), 47 states have internal predecessors, (89), 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) [2022-12-14 14:50:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 14:50:39,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:50:39,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:50:39,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:50:39,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:50:39,588 INFO L85 PathProgramCache]: Analyzing trace with hash -352673803, now seen corresponding path program 1 times [2022-12-14 14:50:39,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:50:39,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482120839] [2022-12-14 14:50:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:50:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:50:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:50:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:50:40,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:50:40,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482120839] [2022-12-14 14:50:40,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482120839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:50:40,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:50:40,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-14 14:50:40,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844655835] [2022-12-14 14:50:40,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:50:40,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 14:50:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:50:40,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 14:50:40,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-12-14 14:50:40,751 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.934782608695652) internal successors, (89), 47 states have internal predecessors, (89), 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 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 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) [2022-12-14 14:50:41,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:50:41,281 INFO L93 Difference]: Finished difference Result 81 states and 115 transitions. [2022-12-14 14:50:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:50:41,284 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 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 43 [2022-12-14 14:50:41,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:50:41,292 INFO L225 Difference]: With dead ends: 81 [2022-12-14 14:50:41,292 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 14:50:41,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-12-14 14:50:41,298 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 84 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:50:41,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 399 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:50:41,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 14:50:41,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2022-12-14 14:50:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 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) [2022-12-14 14:50:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2022-12-14 14:50:41,330 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 43 [2022-12-14 14:50:41,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:50:41,331 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2022-12-14 14:50:41,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 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) [2022-12-14 14:50:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2022-12-14 14:50:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 14:50:41,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:50:41,332 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:50:41,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:50:41,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:50:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:50:41,334 INFO L85 PathProgramCache]: Analyzing trace with hash -530558132, now seen corresponding path program 1 times [2022-12-14 14:50:41,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:50:41,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200065037] [2022-12-14 14:50:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:50:41,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:50:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:50:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:50:41,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:50:41,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200065037] [2022-12-14 14:50:41,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200065037] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:50:41,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732032933] [2022-12-14 14:50:41,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:50:41,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:50:41,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:50:41,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:50:41,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:50:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:50:42,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 14:50:42,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:50:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:50:42,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:50:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:50:42,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732032933] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:50:42,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612553133] [2022-12-14 14:50:42,764 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-12-14 14:50:42,764 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:50:42,767 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:50:42,771 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:50:42,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:50:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,077 INFO L321 Elim1Store]: treesize reduction 252, result has 33.5 percent of original size [2022-12-14 14:50:43,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 122 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 193 [2022-12-14 14:50:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 121 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2022-12-14 14:50:43,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2022-12-14 14:50:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,853 INFO L321 Elim1Store]: treesize reduction 234, result has 33.5 percent of original size [2022-12-14 14:50:43,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 140 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 26 case distinctions, treesize of input 97 treesize of output 197 [2022-12-14 14:50:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:43,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 138 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2022-12-14 14:50:44,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2022-12-14 14:51:01,250 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:51:09,038 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 1061 DAG size of output: 1003 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:15,776 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 1071 DAG size of output: 1009 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:23,355 WARN L233 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 1088 DAG size of output: 1026 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:29,805 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 1081 DAG size of output: 1015 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:38,426 WARN L233 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 1090 DAG size of output: 1021 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:45,269 WARN L233 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 1107 DAG size of output: 1038 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:51:52,504 WARN L233 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 1113 DAG size of output: 1039 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:01,126 WARN L233 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 1121 DAG size of output: 1045 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:09,108 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 1136 DAG size of output: 1059 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:18,333 WARN L233 SmtUtils]: Spent 8.72s on a formula simplification. DAG size of input: 1142 DAG size of output: 1060 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:26,478 WARN L233 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 1150 DAG size of output: 1066 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:36,628 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 1165 DAG size of output: 1080 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:45,967 WARN L233 SmtUtils]: Spent 8.74s on a formula simplification. DAG size of input: 1165 DAG size of output: 1075 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:52:54,595 WARN L233 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 1173 DAG size of output: 1081 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:03,559 WARN L233 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 1188 DAG size of output: 1095 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:11,910 WARN L233 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 1192 DAG size of output: 1094 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:21,097 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 1200 DAG size of output: 1100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:30,395 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 1215 DAG size of output: 1114 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:40,212 WARN L233 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 1219 DAG size of output: 1113 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:53:50,140 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 1227 DAG size of output: 1119 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:00,860 WARN L233 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 1242 DAG size of output: 1133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:11,401 WARN L233 SmtUtils]: Spent 9.72s on a formula simplification. DAG size of input: 1246 DAG size of output: 1132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:20,958 WARN L233 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 1254 DAG size of output: 1138 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:32,070 WARN L233 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 1269 DAG size of output: 1152 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:42,988 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification. DAG size of input: 1273 DAG size of output: 1151 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:54:52,855 WARN L233 SmtUtils]: Spent 8.90s on a formula simplification. DAG size of input: 1281 DAG size of output: 1157 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:55:04,384 WARN L233 SmtUtils]: Spent 10.50s on a formula simplification. DAG size of input: 1296 DAG size of output: 1171 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:55:07,495 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '541#(and (<= |ULTIMATE.start_main_~__tmp_9~0#1| 1) (<= |ULTIMATE.start_main_~__tmp_6~0#1| 1) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~5#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~4#1|) (<= 0 ~__tmp_1075_2~0.base) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1.offset|) (<= 4 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~4#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~4#1| 1) (<= |ULTIMATE.start_main_~__tmp_3~0#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.base|) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1.base|) (= ~__tmp_1075_1~0 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~1#1| 1) (<= 0 |ULTIMATE.start_main_~#main__Id_MCDC_119~0#1.base|) (<= |ULTIMATE.start_main_~__tmp_8~0#1| 1) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~8#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset|) (<= |ULTIMATE.start_main_~__tmp_7~0#1| 1) (<= 1 |ULTIMATE.start_main_~__tmp_9~0#1|) (<= |ULTIMATE.start_main_~__tmp_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.base|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~1#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~5#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~3#1| 1) (<= |ULTIMATE.start_main_~__tmp_5~0#1| 1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~1#1| 1) (<= 2 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~2#1|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.base|) (= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~10#1| 0) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~7#1|) (<= 1 |ULTIMATE.start_main_~__tmp_6~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~6#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~5#1| 1) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~0#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~4#1| 1) (<= 8 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~8#1|) (<= 1 |ULTIMATE.start_main_~__tmp_7~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~3#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.base|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.base|) (<= 5 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~5#1|) (<= 3 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~3#1|) (<= 1 |ULTIMATE.start_main_~__tmp_3~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_5~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~0#1| 0) (<= 0 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.base|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~3#1|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~2#1|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~6#1| 6) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.base|) (= |ULTIMATE.start_main_~main__Id_MCDC_116~0#1| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~5#1| 5) (<= 1 |ULTIMATE.start_main_~__tmp_8~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_4~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~7#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.base|) (= |ULTIMATE.start_main_~__tmp_10~0#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.base|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~2#1| 1) (<= |ULTIMATE.start_main_~__tmp_4~0#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_2~0#1|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.offset|) (= |ULTIMATE.start_main_~__tmp_12~0#1| |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~10#1|) (= |ULTIMATE.start_main_~#main__Id_MCDC_119~0#1.offset| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~4#1| 4) (= |ULTIMATE.start_main_~main__Id_MCDC_115~0#1| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.offset| 0) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~7#1| 1) (<= 6 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~6#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.base|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~1#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~8#1| 1) (<= 7 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~7#1|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~2#1| 2) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~6#1|) (<= |ULTIMATE.start_main_~__tmp_2~0#1| 1) (<= 9 ~Id_MCDC_93~0) (<= 8 ~__tmp_1075_0~0) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~2#1| 1) (<= 9 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~9#1| 0) (= ~__return_main~0 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~7#1| 7) (<= 1 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~8#1|) (= |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~3#1| 3) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.base|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~6#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~8#1|))' at error location [2022-12-14 14:55:07,496 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:55:07,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:55:07,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 30 [2022-12-14 14:55:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876417909] [2022-12-14 14:55:07,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:55:07,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 14:55:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:55:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 14:55:07,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=3190, Unknown=0, NotChecked=0, Total=3906 [2022-12-14 14:55:07,500 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand has 30 states, 30 states have (on average 3.6) internal successors, (108), 30 states have internal predecessors, (108), 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) [2022-12-14 14:55:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:14,307 INFO L93 Difference]: Finished difference Result 114 states and 125 transitions. [2022-12-14 14:55:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-14 14:55:14,307 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 30 states have internal predecessors, (108), 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 48 [2022-12-14 14:55:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:14,308 INFO L225 Difference]: With dead ends: 114 [2022-12-14 14:55:14,308 INFO L226 Difference]: Without dead ends: 111 [2022-12-14 14:55:14,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2521 ImplicationChecksByTransitivity, 252.8s TimeCoverageRelationStatistics Valid=1491, Invalid=5481, Unknown=0, NotChecked=0, Total=6972 [2022-12-14 14:55:14,310 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 335 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:14,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 204 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:55:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-14 14:55:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2022-12-14 14:55:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.0092592592592593) internal successors, (109), 108 states have internal predecessors, (109), 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) [2022-12-14 14:55:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2022-12-14 14:55:14,317 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 48 [2022-12-14 14:55:14,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:55:14,318 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2022-12-14 14:55:14,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 30 states have internal predecessors, (108), 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) [2022-12-14 14:55:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2022-12-14 14:55:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 14:55:14,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:55:14,320 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:55:14,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:55:14,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:55:14,522 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:55:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:55:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1651985676, now seen corresponding path program 2 times [2022-12-14 14:55:14,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:55:14,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852527296] [2022-12-14 14:55:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:55:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:55:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:55:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:55:15,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:55:15,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852527296] [2022-12-14 14:55:15,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852527296] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:55:15,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622761005] [2022-12-14 14:55:15,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:55:15,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:55:15,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:55:15,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:55:15,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:55:16,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 14:55:16,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:55:16,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 14:55:16,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:55:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:16,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:55:16,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 22 [2022-12-14 14:55:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-12-14 14:55:17,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:55:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-12-14 14:55:19,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622761005] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:55:19,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2011414835] [2022-12-14 14:55:19,616 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-12-14 14:55:19,616 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:55:19,616 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:55:19,616 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:55:19,616 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:55:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:19,808 INFO L321 Elim1Store]: treesize reduction 252, result has 33.5 percent of original size [2022-12-14 14:55:19,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 122 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 193 [2022-12-14 14:55:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:19,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 121 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2022-12-14 14:55:20,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2022-12-14 14:55:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,310 INFO L321 Elim1Store]: treesize reduction 130, result has 47.6 percent of original size [2022-12-14 14:55:20,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 125 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 13 case distinctions, treesize of input 87 treesize of output 186 [2022-12-14 14:55:20,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2022-12-14 14:55:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:55:20,700 INFO L321 Elim1Store]: treesize reduction 234, result has 33.5 percent of original size [2022-12-14 14:55:20,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 140 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 26 case distinctions, treesize of input 97 treesize of output 197 [2022-12-14 14:55:37,939 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:55:47,673 WARN L233 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 1061 DAG size of output: 1003 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:55:55,521 WARN L233 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 1071 DAG size of output: 1009 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:03,837 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 1088 DAG size of output: 1026 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:11,191 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 1081 DAG size of output: 1015 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:20,119 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 1090 DAG size of output: 1021 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:29,219 WARN L233 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 1107 DAG size of output: 1038 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:37,936 WARN L233 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 1100 DAG size of output: 1027 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:47,101 WARN L233 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 1109 DAG size of output: 1033 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:56:55,634 WARN L233 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 1126 DAG size of output: 1050 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:04,782 WARN L233 SmtUtils]: Spent 8.28s on a formula simplification. DAG size of input: 1132 DAG size of output: 1051 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:13,640 WARN L233 SmtUtils]: Spent 7.97s on a formula simplification. DAG size of input: 1140 DAG size of output: 1057 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:21,986 WARN L233 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 1155 DAG size of output: 1071 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:30,725 WARN L233 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 1161 DAG size of output: 1072 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:39,914 WARN L233 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 1169 DAG size of output: 1078 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:50,152 WARN L233 SmtUtils]: Spent 9.16s on a formula simplification. DAG size of input: 1184 DAG size of output: 1092 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:00,277 WARN L233 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 1184 DAG size of output: 1087 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:09,108 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 1192 DAG size of output: 1093 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:20,362 WARN L233 SmtUtils]: Spent 10.10s on a formula simplification. DAG size of input: 1207 DAG size of output: 1107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:31,033 WARN L233 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 1213 DAG size of output: 1108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:41,160 WARN L233 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 1221 DAG size of output: 1114 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:58:51,583 WARN L233 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 1236 DAG size of output: 1128 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:59:03,906 WARN L233 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 1242 DAG size of output: 1129 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:59:14,657 WARN L233 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 1250 DAG size of output: 1135 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:59:26,481 WARN L233 SmtUtils]: Spent 10.36s on a formula simplification. DAG size of input: 1265 DAG size of output: 1149 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:59:37,382 WARN L233 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 1271 DAG size of output: 1150 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:59:48,841 WARN L233 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 1279 DAG size of output: 1156 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:00:00,697 WARN L233 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 1294 DAG size of output: 1170 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:00:04,099 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1553#(and (<= |ULTIMATE.start_main_~__tmp_9~0#1| 1) (<= |ULTIMATE.start_main_~__tmp_6~0#1| 1) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~5#1| 1) (<= 12 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.offset|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~4#1|) (<= 0 ~__tmp_1075_2~0.base) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1.offset|) (<= 4 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~4#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~4#1| 1) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~2#1| 2) (<= |ULTIMATE.start_main_~__tmp_3~0#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~4#1.base|) (<= 0 |ULTIMATE.start_main_~__tmp_1~0#1.base|) (= ~__tmp_1075_1~0 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~1#1| 1) (<= 0 |ULTIMATE.start_main_~#main__Id_MCDC_119~0#1.base|) (<= |ULTIMATE.start_main_~__tmp_8~0#1| 1) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~8#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset|) (<= |ULTIMATE.start_main_~__tmp_7~0#1| 1) (<= 1 |ULTIMATE.start_main_~__tmp_9~0#1|) (<= |ULTIMATE.start_main_~__tmp_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.base|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~1#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~5#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~3#1| 1) (<= |ULTIMATE.start_main_~__tmp_10~0#1| 1) (<= |ULTIMATE.start_main_~__tmp_5~0#1| 1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~1#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~6#1.base|) (<= 1 |ULTIMATE.start_main_~__tmp_10~0#1|) (= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~10#1| 0) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~7#1|) (<= 1 |ULTIMATE.start_main_~__tmp_6~0#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~6#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~5#1| 1) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~0#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~4#1| 1) (<= 8 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~8#1|) (<= 1 |ULTIMATE.start_main_~__tmp_7~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~3#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~8#1.base|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.base|) (<= 5 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~5#1|) (<= 3 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~3#1|) (<= 1 |ULTIMATE.start_main_~__tmp_3~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_5~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~0#1| 0) (<= 0 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.base|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~3#1|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~2#1|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~6#1| 6) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.base|) (= |ULTIMATE.start_main_~main__Id_MCDC_116~0#1| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~5#1| 5) (<= 1 |ULTIMATE.start_main_~__tmp_8~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_4~0#1|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~7#1| 1) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~3#1.base|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~2#1.base|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~2#1| 1) (<= |ULTIMATE.start_main_~__tmp_4~0#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1|) (<= 1 |ULTIMATE.start_main_~__tmp_2~0#1|) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.offset|) (= |ULTIMATE.start_main_~__tmp_12~0#1| |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~10#1|) (= |ULTIMATE.start_main_~#main__Id_MCDC_119~0#1.offset| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~4#1| 4) (= |ULTIMATE.start_main_~main__Id_MCDC_115~0#1| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_88~0#1.offset| 0) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~7#1| 1) (<= 6 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~6#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~5#1.base|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~1#1|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~8#1| 1) (<= 7 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~7#1|) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~6#1|) (<= |ULTIMATE.start_main_~__tmp_2~0#1| 1) (<= 9 ~Id_MCDC_93~0) (<= 8 ~__tmp_1075_0~0) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1| 1) (<= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~2#1| 1) (<= 9 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~1#1.offset| 12) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~9#1| 0) (= ~__return_main~0 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~7#1| 7) (<= 1 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~8#1|) (= |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 0) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_2~3#1| 3) (<= 0 |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~7#1.base|) (<= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_0~0#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~Id_MCDC_89____CPAchecker_TMP_1~6#1| 1) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~8#1|))' at error location [2022-12-14 15:00:04,099 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:00:04,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:00:04,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9, 9] total 44 [2022-12-14 15:00:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133296793] [2022-12-14 15:00:04,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:00:04,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-14 15:00:04,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:00:04,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-14 15:00:04,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852 [2022-12-14 15:00:04,102 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand has 44 states, 44 states have (on average 4.75) internal successors, (209), 44 states have internal predecessors, (209), 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) [2022-12-14 15:00:10,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:00:10,052 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2022-12-14 15:00:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-14 15:00:10,053 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.75) internal successors, (209), 44 states have internal predecessors, (209), 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 108 [2022-12-14 15:00:10,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:00:10,053 INFO L225 Difference]: With dead ends: 120 [2022-12-14 15:00:10,053 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 15:00:10,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 275 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4690 ImplicationChecksByTransitivity, 271.9s TimeCoverageRelationStatistics Valid=1960, Invalid=15862, Unknown=0, NotChecked=0, Total=17822 [2022-12-14 15:00:10,056 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 306 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:00:10,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 631 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 15:00:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 15:00:10,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 15:00:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:00:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 15:00:10,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-12-14 15:00:10,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:00:10,057 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 15:00:10,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.75) internal successors, (209), 44 states have internal predecessors, (209), 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) [2022-12-14 15:00:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 15:00:10,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 15:00:10,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 15:00:10,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:00:10,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:00:10,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 15:00:10,469 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 604) no Hoare annotation was computed. [2022-12-14 15:00:10,469 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 622) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L895 garLoopResultBuilder]: At program point L415(lines 408 481) the Hoare annotation is: (let ((.cse1 (< (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296) 42)) (.cse3 (= (select (select |#memory_int| |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.base|) (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 492)) 0)) (.cse4 (= (select (select |#memory_int| 1) 1) 0)) (.cse5 (= |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 0))) (or (let ((.cse2 (mod (+ |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 4294967295) 4294967296))) (let ((.cse0 (* .cse2 12))) (and (= .cse0 ~__tmp_1075_2~0.offset) .cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42) (not (= .cse0 492)) (< .cse2 42) .cse3 .cse4 .cse5))) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 9) .cse1 .cse3 .cse4 (<= 9 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1|) .cse5 (<= ~Id_MCDC_93~0 9)))) [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 628) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 453) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 485) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 503) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 473) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 509) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 599) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 136 636) the Hoare annotation is: true [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 587) no Hoare annotation was computed. [2022-12-14 15:00:10,470 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 605) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 611) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 454) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 486) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 475) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 492) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 582) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 570) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 588) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 594) no Hoare annotation was computed. [2022-12-14 15:00:10,471 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 565) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 553) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 571) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 577) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 548) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 536) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 554) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 635) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 560) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 531) no Hoare annotation was computed. [2022-12-14 15:00:10,472 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 519) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 537) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 543) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 633) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 514) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 621) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 502) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 520) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 526) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 616) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 480) no Hoare annotation was computed. [2022-12-14 15:00:10,473 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 497) no Hoare annotation was computed. [2022-12-14 15:00:10,476 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-12-14 15:00:10,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:00:10,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:00:10 BoogieIcfgContainer [2022-12-14 15:00:10,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:00:10,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:00:10,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:00:10,488 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:00:10,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:50:39" (3/4) ... [2022-12-14 15:00:10,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:00:10,500 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-12-14 15:00:10,501 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 15:00:10,501 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 15:00:10,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 15:00:10,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:00:10,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:00:10,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:00:10,624 INFO L158 Benchmark]: Toolchain (without parser) took 572218.06ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 128.3MB in the beginning and 220.3MB in the end (delta: -92.0MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,624 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:00:10,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.10ms. Allocated memory is still 167.8MB. Free memory was 127.7MB in the beginning and 106.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 102.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,625 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 97.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,625 INFO L158 Benchmark]: RCFGBuilder took 713.94ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 82.4MB in the end (delta: 15.4MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,625 INFO L158 Benchmark]: TraceAbstraction took 570987.33ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 81.4MB in the beginning and 237.6MB in the end (delta: -156.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,626 INFO L158 Benchmark]: Witness Printer took 135.88ms. Allocated memory is still 352.3MB. Free memory was 237.6MB in the beginning and 220.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 15:00:10,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.10ms. Allocated memory is still 167.8MB. Free memory was 127.7MB in the beginning and 106.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 102.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 97.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 713.94ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 82.4MB in the end (delta: 15.4MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * TraceAbstraction took 570987.33ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 81.4MB in the beginning and 237.6MB in the end (delta: -156.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 135.88ms. Allocated memory is still 352.3MB. Free memory was 237.6MB in the beginning and 220.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. 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 - PositiveResult [Line: 467]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 570.9s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 725 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 1234 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1160 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3388 IncrementalHoareTripleChecker+Invalid, 3534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 74 mSDtfsCounter, 3388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 611 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7247 ImplicationChecksByTransitivity, 525.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 29 NumberOfFragments, 103 HoareAnnotationTreeSize, 2 FomulaSimplifications, 15 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 985 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 355 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 504 ConstructedInterpolants, 97 QuantifiedInterpolants, 8040 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1688 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 720/1296 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((((((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 * 12 == __tmp_1075_2 && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_93 % 4294967296 < 42) && !((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 * 12 == 492)) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && unknown-#memory_int-unknown[1][1] == 0) && Id_MCDC_89__Id_MCDC_95 == 0) || (((((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 9) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && unknown-#memory_int-unknown[1][1] == 0) && 9 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_95 == 0) && Id_MCDC_93 <= 9) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 15:00:10,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3d6a84-4d41-4deb-871c-72aac82b3744/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE