./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt9.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0 --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 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:18:53,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:18:53,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:18:53,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:18:53,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:18:53,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:18:53,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:18:53,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:18:53,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:18:53,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:18:53,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:18:53,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:18:53,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:18:53,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:18:53,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:18:53,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:18:53,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:18:53,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:18:53,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:18:53,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:18:53,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:18:53,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:18:53,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:18:53,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:18:53,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:18:53,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:18:53,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:18:53,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:18:53,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:18:53,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:18:53,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:18:53,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:18:53,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:18:53,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:18:53,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:18:53,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:18:53,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:18:53,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:18:53,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:18:53,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:18:53,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:18:53,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:18:53,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:18:53,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:18:53,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:18:53,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:18:53,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:18:53,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:18:53,607 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:18:53,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:18:53,608 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:18:53,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:18:53,608 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:18:53,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:18:53,608 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:18:53,609 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:18:53,609 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:18:53,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:18:53,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:18:53,609 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:18:53,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:18:53,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:18:53,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:18:53,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:18:53,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:18:53,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:18:53,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:18:53,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:18:53,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:18:53,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:18:53,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:18:53,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:18:53,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:18:53,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:18:53,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:18:53,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:18:53,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:18:53,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:18:53,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:18:53,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:18:53,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:18:53,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:18:53,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:18:53,615 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_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb [2022-11-16 16:18:53,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:18:53,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:18:53,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:18:53,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:18:53,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:18:53,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/loops-crafted-1/sumt9.c [2022-11-16 16:18:54,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/data/c28037156/1c63c9c14156429da67cc47ed70f56c8/FLAGd552fdd9e [2022-11-16 16:18:54,649 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:18:54,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/sv-benchmarks/c/loops-crafted-1/sumt9.c [2022-11-16 16:18:54,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/data/c28037156/1c63c9c14156429da67cc47ed70f56c8/FLAGd552fdd9e [2022-11-16 16:18:54,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/data/c28037156/1c63c9c14156429da67cc47ed70f56c8 [2022-11-16 16:18:54,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:18:54,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:18:55,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:18:55,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:18:55,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:18:55,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:18:54" (1/1) ... [2022-11-16 16:18:55,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6720489e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55, skipping insertion in model container [2022-11-16 16:18:55,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:18:54" (1/1) ... [2022-11-16 16:18:55,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:18:55,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:18:55,259 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2022-11-16 16:18:55,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:18:55,314 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:18:55,332 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2022-11-16 16:18:55,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:18:55,383 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:18:55,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55 WrapperNode [2022-11-16 16:18:55,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:18:55,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:18:55,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:18:55,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:18:55,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,457 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-11-16 16:18:55,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:18:55,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:18:55,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:18:55,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:18:55,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:18:55,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:18:55,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:18:55,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:18:55,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (1/1) ... [2022-11-16 16:18:55,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:18:55,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:18:55,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:18:55,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:18:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:18:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:18:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:18:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:18:55,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:18:55,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:18:55,927 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:18:56,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:18:56,211 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:18:56,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:18:56 BoogieIcfgContainer [2022-11-16 16:18:56,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:18:56,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:18:56,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:18:56,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:18:56,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:18:54" (1/3) ... [2022-11-16 16:18:56,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451fdee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:18:56, skipping insertion in model container [2022-11-16 16:18:56,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:18:55" (2/3) ... [2022-11-16 16:18:56,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451fdee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:18:56, skipping insertion in model container [2022-11-16 16:18:56,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:18:56" (3/3) ... [2022-11-16 16:18:56,228 INFO L112 eAbstractionObserver]: Analyzing ICFG sumt9.c [2022-11-16 16:18:56,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:18:56,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:18:56,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:18:56,322 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;@5f2e3689, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:18:56,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:18:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:18:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 16:18:56,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:18:56,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 16:18:56,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:18:56,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:18:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 100043976, now seen corresponding path program 1 times [2022-11-16 16:18:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:18:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061160420] [2022-11-16 16:18:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:18:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:18:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:21:03,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:03,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061160420] [2022-11-16 16:21:03,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061160420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:03,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:03,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:03,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634246117] [2022-11-16 16:21:03,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:03,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:21:03,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:03,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:21:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:21:03,400 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:21:03,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:03,494 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-16 16:21:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:21:03,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 16:21:03,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:03,509 INFO L225 Difference]: With dead ends: 20 [2022-11-16 16:21:03,509 INFO L226 Difference]: Without dead ends: 9 [2022-11-16 16:21:03,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:21:03,527 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:03,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:21:03,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-16 16:21:03,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-16 16:21:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:21:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 16:21:03,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 16:21:03,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:03,572 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 16:21:03,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:21:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 16:21:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:21:03,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:03,574 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:03,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:21:03,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash -292322886, now seen corresponding path program 1 times [2022-11-16 16:21:03,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:03,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207917932] [2022-11-16 16:21:03,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:03,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:26:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:26:21,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:26:21,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207917932] [2022-11-16 16:26:21,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207917932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:26:21,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085348489] [2022-11-16 16:26:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:26:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:26:21,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:26:21,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:26:21,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:26:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:26:21,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-16 16:26:21,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:26:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:26:22,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:26:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:26:34,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085348489] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:26:34,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [577332061] [2022-11-16 16:26:34,566 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-16 16:26:34,567 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:26:34,570 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:26:34,576 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:26:34,577 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:26:39,291 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:26:53,329 WARN L233 SmtUtils]: Spent 13.22s on a formula simplification. DAG size of input: 227 DAG size of output: 131 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:27:08,044 WARN L233 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 226 DAG size of output: 194 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:27:08,142 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '110#(and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod |ULTIMATE.start_main_~l~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) 4294967296)) 1 0)) (<= 2 |ULTIMATE.start_main_~l~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (or (and (<= 1 |ULTIMATE.start_main_~v6~0#1|) (or (and (not (= (mod (mod (+ 7 |ULTIMATE.start_main_~l~0#1|) 8) 4294967296) 0)) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 0 |ULTIMATE.start_main_~v2~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 7) 4294967296) 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~v1~0#1|) (<= 0 |ULTIMATE.start_main_~v4~0#1|) (<= 0 |ULTIMATE.start_main_~v3~0#1|)) (and (not (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 7) 4294967296) 0)) (<= 0 |ULTIMATE.start_main_~v1~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~v2~0#1|) (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 6) 4294967296) 0) (<= 0 |ULTIMATE.start_main_~v4~0#1|) (<= 0 |ULTIMATE.start_main_~v3~0#1|)) (and (not (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 6) 4294967296) 0)) (<= 0 |ULTIMATE.start_main_~v2~0#1|) (or (and (or (and (or (and (not (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 3) 4294967296) 0)) (<= 0 |ULTIMATE.start_main_~i~0#1|) (or (and (not (= 0 (mod (mod (+ |ULTIMATE.start_main_~l~0#1| 1) 2) 4294967296))) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~j~0#1|) (= 0 (mod (mod (+ |ULTIMATE.start_main_~l~0#1| 1) 2) 4294967296))))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 3) 4294967296) 0))) (not (= (mod (mod (+ 3 |ULTIMATE.start_main_~l~0#1|) 4) 4294967296) 0)) (<= 0 |ULTIMATE.start_main_~v4~0#1|)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~v4~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= (mod (mod (+ 3 |ULTIMATE.start_main_~l~0#1|) 4) 4294967296) 0))) (not (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 5) 4294967296) 0)) (<= 0 |ULTIMATE.start_main_~v3~0#1|)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~v3~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~v4~0#1|) (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 5) 4294967296) 0))))))) (<= 0 |ULTIMATE.start_main_~v5~0#1|)) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 0 |ULTIMATE.start_main_~v1~0#1|) (<= 1 |ULTIMATE.start_main_~v5~0#1|) (<= 0 |ULTIMATE.start_main_~v2~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (mod (mod (+ 7 |ULTIMATE.start_main_~l~0#1|) 8) 4294967296) 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~v4~0#1|) (<= 0 |ULTIMATE.start_main_~v3~0#1|))) (not (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 9) 4294967296) 0))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 0 |ULTIMATE.start_main_~v1~0#1|) (<= 0 |ULTIMATE.start_main_~v2~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (mod (mod (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) 9) 4294967296) 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 2 |ULTIMATE.start_main_~v6~0#1|) (<= 0 |ULTIMATE.start_main_~v5~0#1|) (<= 0 |ULTIMATE.start_main_~v4~0#1|) (<= 0 |ULTIMATE.start_main_~v3~0#1|))) (= ~SIZE~0 20000001) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (< (mod (+ 4294967295 |ULTIMATE.start_main_~l~0#1|) 4294967296) (mod |ULTIMATE.start_main_~n~0#1| 4294967296)) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-16 16:27:08,143 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:27:08,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:27:08,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-11-16 16:27:08,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538681788] [2022-11-16 16:27:08,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 16:27:08,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 16:27:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:27:08,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 16:27:08,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-11-16 16:27:08,148 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:27:10,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:27:10,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:27:10,729 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2022-11-16 16:27:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:27:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 16:27:10,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:27:10,730 INFO L225 Difference]: With dead ends: 11 [2022-11-16 16:27:10,730 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:27:10,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-11-16 16:27:10,733 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:27:10,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 16:27:10,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:27:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:27:10,735 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) [2022-11-16 16:27:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:27:10,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-11-16 16:27:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:27:10,736 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:27:10,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:27:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:27:10,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:27:10,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:27:10,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:27:10,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:27:10,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 16:27:11,128 INFO L895 garLoopResultBuilder]: At program point L44(lines 16 45) the Hoare annotation is: (or (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~l~0#1| 0) (= |ULTIMATE.start_main_~v2~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~v6~0#1| 0) (= |ULTIMATE.start_main_~v5~0#1| 0) (= |ULTIMATE.start_main_~j~0#1| 0) (= |ULTIMATE.start_main_~v1~0#1| 0) (= |ULTIMATE.start_main_~v3~0#1| 0) (= |ULTIMATE.start_main_~v4~0#1| 0))) [2022-11-16 16:27:11,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 16:27:11,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-11-16 16:27:11,129 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 16:27:11,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 16:27:11,130 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 43) the Hoare annotation is: (or (let ((.cse0 (mod (+ |ULTIMATE.start_main_~l~0#1| 1) 4294967296))) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (< (+ .cse0 (* (div (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1| 1) 4294967296) 4294967296)) (+ 2 |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|)) (< (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) (+ (* (div (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1| (- 4294967295)) 4294967296) 4294967296) .cse0 4294967296)))) (and (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~SIZE~0 20000001) (= |ULTIMATE.start_main_~l~0#1| 0) (= |ULTIMATE.start_main_~v2~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0) (= |ULTIMATE.start_main_~v6~0#1| 0) (= |ULTIMATE.start_main_~v5~0#1| 0) (= |ULTIMATE.start_main_~j~0#1| 0) (<= 0 (+ (div |ULTIMATE.start_main_~n~0#1| 4294967296) (div (+ 20000001 (- |ULTIMATE.start_main_~n~0#1|)) 4294967296))) (not (<= (+ (div ~SIZE~0 4294967296) 1) 0)) (= |ULTIMATE.start_main_~v1~0#1| 0) (= |ULTIMATE.start_main_~v3~0#1| 0) (= |ULTIMATE.start_main_~v4~0#1| 0))) [2022-11-16 16:27:11,130 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-11-16 16:27:11,130 INFO L895 garLoopResultBuilder]: At program point L9-2(lines 8 13) the Hoare annotation is: (let ((.cse0 (mod (+ |ULTIMATE.start_main_~l~0#1| 1) 4294967296))) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (< (+ .cse0 (* (div (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1| 1) 4294967296) 4294967296)) (+ 2 |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|)) (< (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) (+ (* (div (+ |ULTIMATE.start_main_~v1~0#1| |ULTIMATE.start_main_~v2~0#1| |ULTIMATE.start_main_~v3~0#1| |ULTIMATE.start_main_~v4~0#1| |ULTIMATE.start_main_~v5~0#1| |ULTIMATE.start_main_~v6~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1| (- 4294967295)) 4294967296) 4294967296) .cse0 4294967296)))) [2022-11-16 16:27:11,130 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-16 16:27:11,134 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 16:27:11,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:27:11,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:27:11 BoogieIcfgContainer [2022-11-16 16:27:11,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:27:11,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:27:11,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:27:11,171 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:27:11,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:18:56" (3/4) ... [2022-11-16 16:27:11,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:27:11,196 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 16:27:11,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-16 16:27:11,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 16:27:11,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:27:11,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:27:11,269 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:27:11,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:27:11,270 INFO L158 Benchmark]: Toolchain (without parser) took 496271.66ms. Allocated memory was 132.1MB in the beginning and 539.0MB in the end (delta: 406.8MB). Free memory was 91.2MB in the beginning and 431.4MB in the end (delta: -340.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,271 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:27:11,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.02ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 106.5MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.18ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 105.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:27:11,272 INFO L158 Benchmark]: Boogie Preprocessor took 27.75ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,273 INFO L158 Benchmark]: RCFGBuilder took 729.38ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 74.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,273 INFO L158 Benchmark]: TraceAbstraction took 494950.51ms. Allocated memory was 132.1MB in the beginning and 539.0MB in the end (delta: 406.8MB). Free memory was 73.9MB in the beginning and 434.6MB in the end (delta: -360.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,273 INFO L158 Benchmark]: Witness Printer took 99.29ms. Allocated memory is still 539.0MB. Free memory was 433.5MB in the beginning and 431.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:27:11,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.02ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 106.5MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.18ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 105.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.75ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.38ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 74.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 494950.51ms. Allocated memory was 132.1MB in the beginning and 539.0MB in the end (delta: 406.8MB). Free memory was 73.9MB in the beginning and 434.6MB in the end (delta: -360.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 99.29ms. Allocated memory is still 539.0MB. Free memory was 433.5MB in the beginning and 431.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 10]: 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 494.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 29.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 231 HoareAnnotationTreeSize, 3 FomulaSimplifications, 17 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 69 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 457.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 SizeOfPredicates, 13 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 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: 16]: Loop Invariant Derived loop invariant: !(cond == 0) || (((((((((i == 0 && l == 0) && v2 == 0) && k == 0) && v6 == 0) && v5 == 0) && j == 0) && v1 == 0) && v3 == 0) && v4 == 0) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: (cond == 1 && (l + 1) % 4294967296 + (v1 + v2 + v3 + v4 + v5 + v6 + i + j + k + 1) / 4294967296 * 4294967296 < 2 + v1 + v2 + v3 + v4 + v5 + v6 + i + j + k) && v1 + v2 + v3 + v4 + v5 + v6 + i + j + k < (v1 + v2 + v3 + v4 + v5 + v6 + i + j + k + -4294967295) / 4294967296 * 4294967296 + (l + 1) % 4294967296 + 4294967296 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((cond == 1 && (l + 1) % 4294967296 + (v1 + v2 + v3 + v4 + v5 + v6 + i + j + k + 1) / 4294967296 * 4294967296 < 2 + v1 + v2 + v3 + v4 + v5 + v6 + i + j + k) && v1 + v2 + v3 + v4 + v5 + v6 + i + j + k < (v1 + v2 + v3 + v4 + v5 + v6 + i + j + k + -4294967295) / 4294967296 * 4294967296 + (l + 1) % 4294967296 + 4294967296) || ((((((((((((i == 0 && SIZE <= 20000001) && l == 0) && v2 == 0) && k == 0) && v6 == 0) && v5 == 0) && j == 0) && 0 <= n / 4294967296 + (20000001 + -n) / 4294967296) && !(SIZE / 4294967296 + 1 <= 0)) && v1 == 0) && v3 == 0) && v4 == 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 16:27:11,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa3aa103-4828-41da-a577-ec2205a80ce8/bin/utaipan-Xvt2sAort0/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